Transfer Switches 16-1 Transfer Switches February 2007 Contents Description Page Transfer Switch Panels Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transfer Switch Equipment Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Application Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transfer Switch Product Family . . . . . . . . . . . .
16-2 Transfer Switches Transfer Switch Equipment February 2007 Automatic Transfer Switches Transfer Switch Panels Application Description For more information on “Transfer Switch Panels,” refer to Section 4 of this catalog “Advanced Residential Products.” A transfer switch is a critical component of any emergency or standby power system.
Transfer Switches Transfer Switch Equipment 16-3 February 2007 Automatic Transfer Switches Generator — Generator Transfer switches are sometimes applied between two generator sets for prime power use, often in remote installations. In such applications, source power is periodically alternated between the generator sets to equally share run-time. G Generator Breaker G Generator Breaker ATS Load Figure 16-2.
16-4 Transfer Switches Transfer Switch Equipment February 2007 Product Selection Table 16-4.
Transfer Switches Transfer Switch Equipment 16-5 February 2007 Product Selection Table 16-4.
16-6 Transfer Switches Transfer Switch Equipment February 2007 Manual Wall-Mount Transfer Switch Molded Case Switches — Manual Wall-Mount ■ Features, Benefits and Functions Optional trip units offer system overcurrent protection. ■ Prevents the paralleling of two sources of power. ■ Permits safe and convenient manual transfer of power. Features ■ Molded case switch power contact assemblies. ■ Positive mechanical interlocking. ■ Permanently affixed manual operating handle.
Transfer Switches Transfer Switch Equipment 16-7 February 2007 Manual Wall-Mount Transfer Switch Layout Dimensions Table 16-7. 30 – 1000 Ampere Type MTVX Dimensions in Inches (mm) and Approximate Shipping Weights Switch Type Enclosure A Gutter Space B C D E Standard Terminals Bolt Pattern F G Weight Lbs. (kg) H Height Width Depth Width Depth Bending Horizontal Vertical Line Load Neutral HKD (150 – 225 A) 48.00 (1219.2) 20.81 (528.6) 18.40 (467.4) 8.00 (203.2) 4.00 (101.
16-8 Transfer Switches Transfer Switch Equipment February 2007 Manual Wall-Mount Transfer Switch Product Selection Table 16-10.
Transfer Switches Transfer Switch Equipment 16-9 February 2007 Non-Automatic Wall-Mount Transfer Switch Molded Case Switches — Non-Automatic Wall-Mount ■ Features, Benefits and Functions Features ■ Molded case switch power contact assemblies. ■ Positive mechanical and electrical interlocking. ■ Permanently affixed manual operating handle. ■ Pushbutton operation. Benefits ■ High withstand, totally enclosed for maximum arc suppression and isolation during power transfer.
Transfer Switches Transfer Switch Equipment 16-10 February 2007 Non-Automatic Wall-Mount Transfer Switch Layout Dimensions Table 16-13. 30 – 1000 Ampere Types NTHE, NTVE Dimensions in Inches (mm) and Approximate Shipping Weights Switch Type Enclosure A Height C D Standard Terminals Bolt Pattern E F G Weight Lbs. (kg) H Width Depth Width Depth Bending Horizontal Vertical Line Load Neutral HFD 47.74 (30 – 100 A) (1213.0) 20.81 (528.6) 17.22 (437.0) 8.00 (203.2) 4.00 (101.
Transfer Switches Transfer Switch Equipment 16-11 February 2007 Non-Automatic Wall-Mount Transfer Switch Product Selection Table 16-15.
Transfer Switches Transfer Switch Equipment 16-12 February 2007 General Description — Maintenance Bypass Switch Maintenance Bypass Switches Type MBHE 100 – 1000 Amperes Benefits Incoming from Switchboard ■ Safe and reliable operation is ensured due to the simple and durable switching design. ■ Unauthorized bypass is prevented by the need of UPS system to send the bypass authorized signal. ■ 100% current ratings makes selection to the UPS kVA ratings easy to accomplish.
Transfer Switches Transfer Switch Equipment 16-13 February 2007 Wall-Mount Transfer Switches Wall-Mount Transfer Switches Contactor, Molded Case and Circuit Breaker Design Electrical Ratings ■ ■ ■ Molded case and circuit breaker 30 – 1000 amperes. ■ 2-Position Contactors 100, 200, 320, 400 and 600 amperes. ■ 3-Position Contactors 100, 200, 300, 400, 600, 800, 1000 and 1200 amperes. Note: For 3-position contactors, contact factory. ■ ■ ■ ■ ■ ■ 2-, 3- or 4-poles. Up to 600 Vac, 50/60 Hz.
16-14 Transfer Switches Transfer Switch Equipment February 2007 Wall-Mount Automatic Transfer Switches Basic Components of the Wall-Mount ATS Source 1 and Load Power Cable Connections Automatic Transfer Controller (ATC-300) ■ Monitors Power Sources ■ Initiates Power Transfers Control Service Disconnect (Service Equipment Rated Switches Only) Transient Voltage Surge Suppression (TVSS) (Optional) Permanently Affixed Manual Transfer Handle Provides Safe Manual Transfer Under Full Load Customer Control Co
Transfer Switches Transfer Switch Equipment 16-15 February 2007 Wall-Mount Automatic Transfer Switches Mechanical Interlock Multi-Tap Voltage Selector North American Voltage Selector Transformer Panel Multi-Tap Voltage Selector Triple Interlocks Wall-mount transfer switches feature a rear-mounted, patented fail-safe mechanical interlock to prevent paralleling of sources. This is, in addition to, software interlocking and the interlocking inherently provided by the transfer mechanism.
Transfer Switches Transfer Switch Equipment 16-16 February 2007 Wall-Mount Transfer Switches Technical Data and Specifications Contactor-Based Transfer Switch Manual Operating Handle Table 16-17.
Transfer Switches Transfer Switch Equipment 16-17 February 2007 Wall-Mount Transfer Switches Product Selection Table 16-21.
Transfer Switches Floor-Standing Transfer Switch Equipment 16-18 February 2007 Wall-Mount Transfer Switches Table 16-22. Contactor-Based and Molded Case Transfer Switches — Dimensions in Inches (mm) and Approximate Shipping Weights in Lbs. (kg) Switch Rating Amperes Switch Type Enclosure Standard Terminals Gutter Space Bolt Pattern A B C D E G H Height Width Depth Width Depth Horizontal Vertical Line Side (Normal Load & Standby Source) Connection Neutral Connection Weight Lbs.
Transfer Switches Transfer Switch Equipment 16-19 February 2007 Magnum Floor-Standing Transfer Switches Floor-Standing Magnum Transfer Switches Eaton Magnum Transfer Switches meet or exceed all industry standards for endurance, reliability, and performance. They are listed under Underwriters Laboratories UL 1008 Standard for Transfer Switch Equipment. With certain options, they also comply with Source 2 and standby system requirements as defined in NFPA 99 for health care facilities.
16-20 Transfer Switches Transfer Switch Equipment February 2007 Magnum Floor-Standing Transfer Switches Basic Switch Components Indicating Lights Power Panel ■ Performs power transfer between Source 1 and Source 2 utilizing Magnum Power Switch or Magnum Power Breaker ATC-600 Logic Shown ■ Monitors Source Condition ■ Initiates Power Transfers Electrical Operator Pushbutton Manual Charging Handle Transformer Panel ■ Steps line power down to 120 Vac for logic and electrical operator control power ■ Mul
Transfer Switches Transfer Switch Equipment 16-21 February 2007 Magnum Floor-Standing Transfer Switches Magnum Drawout Transfer Switch Magnum Fixed Mount Transfer Switch Magnum Drawout Magnum Fixed Mount Transfer Switch Withstand Ratings Table 16-23.
16-22 Transfer Switches Transfer Switch Equipment February 2007 Magnum Floor-Standing Transfer Switches Power and Transformer Panels Magnum Switch Features Interlocking for Open Transition Applications Unmatched Performance and Versatility The Eaton family of Magnum transfer switches offers unmatched performance, versatility, and value for standby power applications.
Transfer Switches Transfer Switch Equipment 16-23 February 2007 Magnum Floor-Standing Transfer Switches Logic Automatic Transfer Open Transition Ease of Maintenance Application Versatility Whether the application calls for open or closed transition, Eaton has the right logic controller for the task. IQ Transfer controllers have set a new standard for transfer switch technology featuring: ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Microprocessor-based logic. Digital display. Field set point programmability.
16-24 Transfer Switches Transfer Switch Equipment February 2007 Bypass Isolation Transfer Switch Bypass Isolation Transfer Switch Features, Benefits and Functions The Eaton transfer switch is a rugged, compact design utilizing Magnum power switches or Magnum power circuit breakers to transfer essential loads from one power source to another. Open transition switching devices are interlocked to prevent both switching devices from being closed at the same time.
Transfer Switches Transfer Switch Equipment 16-25 February 2007 Bypass Isolation Transfer Switch Technical Data and Specifications Table 16-24.
16-26 Transfer Switches Transfer Switch Equipment February 2007 Magnum Floor-Standing Transfer Switches Product Selection Catalog Number: ATVIMGB33200XRU with Optional Features 16B, 37B and 42. Eaton Transfer Switch Equipment offers flexibility and versatility to the system designer and user. All switches include the basic features necessary for normal operation as standard.
Transfer Switches Transfer Switch Equipment 16-27 February 2007 Magnum Fixed Mounted Transfer Switch Dimensions Table 16-27. Magnum Fixed Mounted Transfer Switches — Dimensions in Inches (mm) Dimensions and Weights — Magnum Fixed Mount and Drawout Transfer Switches Ampere Rating Enclosures meet all current applicable NEMA and UL standards for conduit entry, cable bending, gutter space, and shielding of live components.
Transfer Switches Transfer Switch Equipment 16-28 February 2007 Magnum Drawout Transfer Switch Dimensions Table 16-29. Magnum Drawout Transfer Switches — Dimensions in Inches (mm) Ampere Rating Number of Poles A Height B Width C Depth Shipping Weight Lbs. (kg) Note: A wireway is required in accordance with the following table. Table 16-31. Connection Type NEMA 1 Enclosed Drawout Transfer Switch Connection Type 200 – 2000 200 – 2000 200 – 2000 2 3 4 90.00 (2286) 90.00 (2286) 90.
Transfer Switches Transfer Switch Equipment 16-29 February 2007 Magnum Bypass Isolation Transfer Switch Dimensions Table 16-32. Magnum Bypass Isolation Drawout Transfer Switches — Dimensions in Inches (mm) Ampere Rating Number of Poles A Height B Width C Depth Shipping Weight Lbs. (kg) Note: A wireway is required in accordance with the following table. Table 16-34. Connection Type NEMA 1 Enclosed Drawout Transfer Switch Connection Type 200 – 2000 200 – 2000 200 – 2000 2 3 4 90.00 (2286) 90.
16-30 Transfer Switches Transfer Switch Equipment February 2007 ATC-100 Controller ATC-100 Controller ■ Features, Benefits and Functions ■ ■ Standard Features ■ ■ ■ ATC-100 Controller Product Description The ATC-100 Controller is a comprehensive, multi-function, microprocessorbased ATS controller. It is a compact, self-contained, panel mounted device designed to replace traditional relay and solid-state logic panels.
Transfer Switches Transfer Switch Equipment 16-31 February 2007 ATC-100 Controller Product Specifications Table 16-36.
Transfer Switches Transfer Switch Equipment 16-32 February 2007 ATC-300 Controller ATC-300 Controller ■ Time-stamped history log. System test pushbutton. ■ Programmable plant exerciser — OFF, daily, 7, 14, 28-day interval selectable run time 0 – 600 minutes no load/load with fail-safe. ■ Safe manual operation under full load with permanently affixed operating handle.
Transfer Switches Transfer Switch Equipment 16-33 February 2007 ATC-600 IQ Transfer Controller ATC-600 Application Description IQ Transfer Controller The ATC-600 is equipped to display history information either via the front panel or over PowerNet. Source 1 and Source 2 Run Time, Available Time, and Connect Time are available, as well as Load Energized Time, Number of Transfers, and the Date, Time and Reason for the Last 16 Transfers. Table 16-39.
16-34 Transfer Switches Transfer Switch Equipment February 2007 ATC-800 Closed Transition IQ Transfer Controller ATC-800 Closed Transition IQ Transfer Controller if Feature set 47D is selected, failure to synchronize will result in the CTIQ Transfer (ATC-800) refusing to Transfer to Source 2 and an alarm signal being activated. In neither case will there be a paralleling of sources if synchronization is not achieved.
Transfer Switches Transfer Switch Equipment 16-35 February 2007 ATC-800 Closed Transition IQ Transfer Controller ATC-800 Closed Transition IQ Transfer Controller Once the desired display family is selected, the user may press the Step button to cycle through specific parameters or metered values shown in the display window. Initial Programming Factory programming will load all customer specified functions and presets. At the customer’s request, Eaton will add, delete or adjust optional features.
Transfer Switches Transfer Switch Equipment 16-36 February 2007 ATC-800 Closed Transition IQ Transfer Controller ATC-800 Closed Transition IQ Transfer Controller ATC-800 Programming and Options Definitions Closed Transition Operation Modes Closed Transition: Closed transition is a feature that will temporarily parallel two live sources in a make-before-break scheme when performing a transfer.
Transfer Switches Transfer Switch Equipment 16-37 February 2007 ATC-800 Closed Transition IQ Transfer Controller In-Phase Transfer Request for Transfer Feature Set 47D Closed Only CTIQ (ATC-800) Transfer controllers equipped with Feature Set 47D only transfer to an alternate source when both sources are synchronized. For synchronization to occur, both voltage and frequency differentials must fall within the user selectable ranges.
16-38 Transfer Switches Transfer Switch Equipment February 2007 ATC Controller — Selection Guide Table 16-43.
Transfer Switches Transfer Switch Equipment 16-39 February 2007 ATC Controller — Selection Guide Table 16-43.
16-40 Transfer Switches Transfer Switch Equipment February 2007 ATC Controller — Selection Guide Table 16-44.
Transfer Switches Transfer Switch Equipment 16-41 February 2007 ATC Controller — Selection Guide Table 16-44.
Transfer Switches Transfer Switch Equipment 16-42 February 2007 Transfer Switch — Product Selection Table 16-45.
Transfer Switches Transfer Switch Equipment 16-43 February 2007 Transfer Switch — Product Selection Table 16-45.
Transfer Switches Transfer Switch Equipment 16-44 February 2007 Transfer Switch — Product Selection Table 16-45.
Transfer Switches Transfer Switch Equipment 16-45 February 2007 Transfer Switch — Product Selection Table 16-45.
16-46 Transfer Switches Transfer Switch Equipment February 2007 Transfer Switch — Standard and Optional Features Transfer Switch — Standard and Optional Features for Cutler-Hammer Transfer Switches Timers 1. Time Delay Normal to Emergency (TDNE) Provides a time delay to allow for the generator to warm up before transferring the load from the Normal Source to the Emergency Source.
Transfer Switches Transfer Switch Equipment 16-47 February 2007 Transfer Switch — Standard and Optional Features Transfer Switch — Standard and Optional Features (Continued) 5L. Three-Phase Voltage Unbalance/ Phase Loss Provides phase loss detection from blown fuses on the Source 2 supply circuit. Manual Controls 6B. Test Operators Automatic Transfer Switches are provided with a Test Pushbutton that simulates a loss of the Source 1 as standard. All programmed time delays (TDNE, TDEN, etc.
16-48 Transfer Switches Transfer Switch Equipment February 2007 Transfer Switch — Standard and Optional Features Transfer Switch — Standard and Optional Features (Continued) Customer Inputs 18. Metering 26D. Go to Emergency (Source 2) 14D. Source 2 Present Provides the capability for an external contact closure to initiate a transfer to the Source 2 power source. This includes starting the generator, performing the programmed time delays and the transfer operation.
Transfer Switches Transfer Switch Equipment 16-49 February 2007 Transfer Switch — Standard and Optional Features Transfer Switch — Standard and Optional Features (Continued) 32A. Time Delay Neutral 32F. In-Phase Transition Provides an IQ DP-4000 with a Source selector switch for monitoring the Source 1 or Source 2 line side circuit.
16-50 Transfer Switches Transfer Switch Equipment February 2007 Transfer Switch — Standard and Optional Features Transfer Switch — Standard and Optional Features (Continued) 37B. Service Equipment Rated Transfer Switch With Ground Fault Protection 47D. Closed Transition Provides Service Equipment rating for an application that requires ground fault protection. 45D. Load Sequencing Contact 38. Stainless Steel Cover 45E. Load Sequencing Contact Provides protection for the controller.
Transfer Switches Transfer Switch Equipment 16-51 February 2007 Transfer Switch — Standard and Optional Features Transfer Switch — Standard and Optional Features (Continued) Generator Start Circuit Protection 51M4A. 12 Vdc Engine control Start Circuit Protection. 51M4B. 24 Vdc Engine control Start Circuit Protection. CHSP Surge Suppression is designed for single-phase loads with a maximum capacity of 70 k per phase. Also available for telephone and cable applications. 51G1.
Transfer Switches Transfer Switch Equipment 16-52 February 2007 Transfer Switch — Optional Components Optional Components Metering Eaton’s IQ Analyzer meter can measure parameters including voltage, current, power (watts, vars and VA), energy, frequency, demand, power factor, %THD (voltage and current), K factor, CBEMA derating factor and crest factor. IQ Analyzer can also communicate with Eaton's industry accepted IMPACC and PowerNet Power Management Systems.
Transfer Switches Transfer Switch Equipment 16-53 February 2007 Transfer Switch — Optional Components Transient Voltage Surge Suppression Optional On-board 24 Vdc Power Supply Eaton's Clipper Power System — Visor series transient voltage surge suppression (TVSS) components can be integrated into any closed transition soft load switch. Surge current ratings 100 kA, 160 kA and 200 kA per phase provide a range of cost effective facility-wide protection solutions.
Transfer Switches Transfer Switch Equipment 16-54 February 2007 Appendix A — Transfer Switches — Ampere Conversion Chart Appendix A Table 16-48. kW to Ampere Conversion Chart Three-Phase Ampere Table at Common Line-to-Line Voltage kW 200 V 208 V 220 V 230 V 240 V 380 V 400 V 415 V 460 V 480 V 600 V 5.0 7.5 10.0 18 27 36 17 26 34 16 25 33 16 24 31 15 23 30 9 14 19 9 13 18 9 13 17 8 12 16 8 11 15 6 9 12 15.0 20.0 25.
Transfer Switches Transfer Switch Equipment 16-55 February 2007 Appendix B — Transfer Switches — Inter-Tie Protective Relay Appendix B M-3410A Inter-Tie Protective Relay Refer to the appropriate table to make protective relaying changes. Table 16-49. M-3410A Inter-Tie Protective Relay Set Points Device Number Function Set Point Ranges Increment Accuracy Sync Check 25 Phase Angle Window 0° to 90° 1° ±1° Upper Voltage Limit Lower Voltage Limit 100.0 to 120.0% 70.0 to 100.0% 0.1% 0.1% ±0.
Transfer Switches Transfer Switch Equipment 16-56 February 2007 Appendix B — Transfer Switches — Inter-Tie Protective Relay M-3410A Inter-Tie Protective Relay (Continued) Refer to the appropriate table to make protective relaying changes. Table 16-49. M-3410A Inter-Tie Protective Relay Set Points (Continued) Device Number Function Set Point Ranges Increment Accuracy Pickup 0.50 to 6.00 A (0.10 to 1.20 A) 0.1 A ±0.1 A or ±3% (±0.
Transfer Switches Transfer Switch Equipment 16-57 February 2007 Appendix C — Transfer Switches — Transient Voltage Surge Suppression Device Appendix C Transient Voltage Surge Suppression Device Figure 16-20. Visor OEM 100, 100 and 200 kA Technical Data Standards and Certifications Technical Data ■ Table 16-50.
16-58 Transfer Switches Transfer Switch Equipment February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller possible. It manages the speed governor and voltage regulator of the generator set to bring the two sources into synchronization. This approach allows the transfer switch to be applied in soft load transfer applications.
Transfer Switches Transfer Switch Equipment 16-59 February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) Return of Normal Power — Breaker Open Transition Logic Selected When normal source has been restored and is within the pre-selected ranges for voltage and frequency and after a time delay to ensure the integrity of the normal power source, the load shall be transferred back to
Transfer Switches Transfer Switch Equipment 16-60 February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) the “Test” position. After an adjustable time delay, the generator will start. After the nominal voltage and frequency are reached, the generator bus will be synchronized to the utility across the Source 2 (emergency) breaker.
Transfer Switches Transfer Switch Equipment 16-61 February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) Auto AUTO/TEST Test Test SYSTEM TEST Run Breaker Logic — Interchange (Soft Load/Unload) Off Mode 1 Loss of Normal Source TEST MODE Mode 2 Off Start Engine OR Breaker Logic — Interchange (Soft Load/Unload) Breaker Logic — Parallel (Import/Export) Breaker Logic — Pa
16-62 Transfer Switches Transfer Switch Equipment February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) Since Eaton ATSs utilize specially designed switches and/or switching devices as the main power switching contacts, these devices must also be listed under the additional UL Standard 1066. UL utilizes two basic types of listing programs: a) Label Service and b) Re-examination.
Transfer Switches Transfer Switch Equipment 16-63 February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) TVSS Source 2 52-2 3-CT 52-1 1-CT 3-CT Source 1 To Building Loads VM 27 12 AM 59 KWM 32 FM 1ø 3ø 1ø 3ø 3ø ATC-5000 1a Va, Vb, Vc 27 VM 46 59 AM 50 78 KWM 81O/U PFM 32R 81O/U 25 Va Va, Vb, Vc 1a, 1b, 1c Va, Vb, Vc 3ø Va 1ø 3ø M-3410A 25 Control
16-64 Transfer Switches Transfer Switch Equipment February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller — Dimensions Base Components Logic Panel Protective Relay Source 1 Magnum DS Breaker Breaker Status Lights ATC-5000 Controller Customer Connections Service Entrance Device Panel Source 2 Magnum DS Breaker Device Panel TVSS Utility Grade Metering Transformer Panel Magnum Soft Loa
Transfer Switches Transfer Switch Equipment 16-65 February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) (Table 16-55) provides the required interpretation information. An example for an open transition switch is offered to initially simplify the process. Product Selection Example: Catalog Number (circled numbers correspond to position headings in Table 16-55).
Transfer Switches Transfer Switch Equipment 16-66 February 2007 Magnum Closed Transition Soft Load Transfer Switch with ATC 5000 Controller Magnum Closed Transition Soft Load Transfer Switches with ATC 5000 Controller (Continued) ATC-5000 Specifications ATC-5000 Integrated Microprocessor Controller The integrated logic controller is a microprocessor-based generator set control and management package.
