MOTOR CONTROL Mini-Contactors and Thermal Overload Relays SK Series 62C1-E-0022
Mini-Contactors and Thermal Overload Relays SK Series: SK06, SK09, and SK12 The Smallest Class of Magnetic Contactors and Thermal Overload Relays in the World Magnetic Contactors: SK06, SK09, and SK12 Low Power Consumption The operating coil uses a newly designed electromagnet section to help save power for both AC and DC models. DC Coil Standard DC coil : 2.4W Low-power DC coil : 1.2W * Up to two auxiliary contacts can be added.
SK Series SK06, SK09, and SK12 NEW Thermal Overload Relays: TK12 Enhanced Safety 2E Thermal Overload Relay overload and phase-loss protection with standard models. A standard-feature transparent cover that serves as a dial lock and that also protects against unintentional operation of the reset button. Transparent cover ・Dial lock. ・Protects against unintentional changes on the reset method. Easier Wiring ① Connection to Round Crimp Terminals Downsizing Standard-feature easy-to-remove terminal cover.
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Mini-Contactors SK Series Page Standard Models.......................................................................................................................................................................... 6 Production Models....................................................................................................................................................................... 7 Type Number Nomenclature (Magnetic Contactors and Thermal Overload Relays)...............................
Mini-Contactors SK Series Standard Models Standard Models Series Frame Magnetic Contactor appearance SK Series 06 09 12 Type SK06A SK06G SK09A SK09G SK12A SK12G SK06L SK09L SK12L TK12 690V 6kV 50-60Hz 1.5kW 690V 6kV 50-60Hz 2.2kW 690V 6kV 50-60Hz 3kW 2.2kW 4kW 5.5kW 3kW 4kW 5.5kW 3kW 4kW 4kW 6A 9A 12A 6A 9A 12A 5A 7A 9A 3.5A 5A 5A 20A 20A 20A 1800 1000 100 45×48×49 ◎ ◎ ◎ ◎ ◎ 1800 1000 100 45×48×49 1800 1000 100 45×48×49 (Photo No.
Mini-Contactors SK Series Standard Models and Production Models Thermal Overload Relays Thermal Overload Relay appearance (Photo No. KKD11-122) Type Protection Ampere setting range The heating element code is given in brackets. TK12 Overload and phase-loss protection 0.1-0.15A [P10] 0.48-0.72A [P48] 0.13-0.2A [P13] 0.64-0.96A [P64] 0.18-0.27A [P18] 0.8-1.2A [P80] 0.24-0.36A [P24] 0.95-1.45A [P95] 0.34-0.52A [P34] 1.4-2.1A [1P4] 1.7-2.6A [1P7] 2.2-3.4A [2P2] 2.8-4.2A [2P8] 4-6A [004] 5-7.
Mini-Contactors SK Series Type Number Nomenclature Type Number Nomenclature Type Number Nomenclature (Type Number = Product Code) Magnetic Contactors SK 12 A H R - 2 01 W Basic type number Mini-Contactor Frame size 06, 09, or 12 Operating method A : AC-operated model G : DC-operated model (2.4W) L : DC-operated model (1.2W) Reversing conductor W : Wire M : Molded (Only for Combination Starter) Note: Specify this for a reversing model.
Mini-Contactors SK Series Type Number Nomenclature Thermal Overload Relays TK 12 W A - 009 Basic type number TK : 2E Thermal Overload Relay (with phase-loss detection) Frame size 12 Mounting W : On-contactor mounting Reset method Blank : Manual reset (standard) A : Automatic reset Ampere setting range P10 : 0.1-0.15A P13 : 0.13-0.2A P18 : 0.18-0.27A P24 : 0.24-0.36A P34 : 0.34-0.52A P48 : 0.48-0.72A P64 : 0.64-0.96A P80 : 0.8-1.2A P95 : 0.95-1.45A 1P4 : 1.4-2.1A 1P7 : 1.7-2.6A 2P2 : 2.2-3.4A 2P8 : 2.
Mini-Contactors SK Series Ratings Ratings Main Circuit Ratings IEC-conformance Ratings (IEC 60947-4-1, EN 60947-4-1, and VDE 0660) Type SK06 SK09 SK12 Max. motor capacity [kW] 3-phase squirrel-cage motor (AC-3) 200-240V 380-440V 500-550V 600-690V 1.5 2.2 3 3 2.2 4 4 4 3 5.5 5.5 4 Operational current [A] 3-phase squirrel-cage motor (AC-3) 200-240V 380-440V 500-550V 600-690V 6 6 5 3.
Mini-Contactors SK Series Ratings Auxiliary Circuit Ratings IEC-conformance Ratings (Standard Models: Bifurcated Contact) Type SK06 SK09 SK12 SKH4 Conventional free air thermal current [A] (Rated thermal current) Making and breaking current (AC) 10 30 30 10 5 Rated operational current [A] AC rated AC-15 AC-12 operational (Ind. load) (Res. load) voltage [V] 100-120 3 6 200-240 3 6 380-440 1 6 500-600 0.5 3 DC rated operational voltage [V] 24 48 110 220 DC-13 (Ind. load) DC-12 (Res. load) 2 1 0.
Mini-Contactors SK Series Ratings Operating Coil Voltages AC-operated Models Type SK06A SK09A SK12A Order voltage 24V AC 48V AC 100V AC 110V AC 120V AC 200V AC 220V AC 240V AC 380V AC 400V AC 440V AC 500V AC Code E F 1 H K 2 M P S 4 T 5 Coil voltage and frequency 24V 50Hz / 24-26V 48V 50Hz / 48-52V 100V 50Hz / 100-110V 100-110V 50Hz / 110-120V 110-120V 50Hz / 120-130V 200V 50Hz / 200-220V 200-220V 50Hz / 220-240V 220-240V 50Hz / 240-260V 346-380V 50Hz / 380-420V 380-400V 50Hz / 400-440V 415-440V 50Hz /
Mini-Contactors SK Series Ratings Operating Coil Characteristics AC-operated Models Type SK06A SK09A SK12A Power consumption [VA] Inrush Sealed 200V 220V 200V 50Hz 60Hz 50Hz 22 25 4.5 220V 60Hz 4.5 Watt loss [W] Pick-up voltage [V] Drop-out voltage [V] 200V 50Hz 1.2 50Hz 60Hz 50Hz 60Hz Operating times [ms] Coil ON → Coil OFF → Contact ON Contact OFF 122-135 128-138 80-89 83-96 17-26 220V 60Hz 1.3 8-11 Note 1. Note 2. Note 3. Note 4.
Mini-Contactors SK Series Ratings Performances Type Rated operational voltage [V] Rated operational current [A] Making/breaking current [A] Making Breaking SK06 220 440 220 440 220 440 6 6 9 9 12 12 72 72 108 108 144 144 SK09 SK12 60 60 90 90 120 120 Operating cycles per hour [times/hour] 1800 Durability (Operations) Mechanical Electrical 10 million 1 million AC-3 Breaking Current and Electrical Durability SK06 to SK12 500 - 550V 10 5 Electrical durability (x 1 million) 380 - 440V 10 3 5
Mini-Contactors SK Series Ratings AC-1 Breaking Current and Electrical Durability SK06 to SK12 380-440V 200-240V 10 10 200-240V 50/60Hz 380-440V 50/60Hz 10 SK12 1 SK09 0.01 100 1000 Breaking current [A] 20A 0.01 SK06 0.1 0.1 16A 0.
Mini-Contactors SK Series Protective Coordination Coordination with Short-circuit Protection Devices (SCPD) (Based on IEC and JIS Standards) Prospective Short-circuit Current “r” (240V and 440V) Magnetic Contactor Thermal Overload Relay Type Type SK06 TK12 SK09 TK12 SK12 TK12 16 Ampere setting range [A] 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.45 1.4-2.1 1.7-2.6 2.2-3.4 2.8-4.2 4-6 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.45 1.4-2.1 1.7-2.6 2.2-3.4 2.8-4.2 4-6 5-7.5 6-9 0.34-0.52 0.
Mini-Contactors SK Series Protective Coordination Rated conditional short-circuit current Iq (240V and 440V) Magnetic Contactor Thermal Overload Relay Type Type SK06 TK12 SK09 TK12 SK12 TK12 Ampere setting range [A] 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.45 1.4-2.1 1.7-2.6 2.2-3.4 2.8-4.2 4-6 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.45 1.4-2.1 1.7-2.6 2.2-3.4 2.8-4.2 4-6 5-7.5 6-9 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.45 1.4-2.1 1.7-2.6 2.2-3.4 2.8-4.2 4-6 5-7.5 6-9 7-10.
Mini-Contactors SK Series Protective Coordination UL approved Short-circuit Current Ratings (SCCR) Combination of Breaker and Fuse Magnetic Starter Magnetic Thermal Overload Relay Contactor Type Type Ampere setting range [A] SK06 TK12 SK09 TK12 SK12 TK12 SK06 SK09 SK12 − − − 18 0.1-0.15 0.13-0.2 0.18-0.27 0.24-0.36 0.3-0.45 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.45 1.4-2.1 1.7-2.6 2.2-3.4 2.8-4.2 4-6 0.1-0.15 0.13-0.2 0.18-0.27 0.24-0.36 0.3-0.45 0.34-0.52 0.48-0.72 0.64-0.96 0.8-1.2 0.95-1.
Mini-Contactors SK Series Protective Coordination Combinations with Manual Motor Starter Magnetic Contactor type SK06 SK09 SK12 AC480Y/277V Combined MMS Type BM3RS□-P40 BM3RS□-P63 BM3RS□-001 BM3RS□-1P6 BM3RS□-2P5 BM3RS□-004 BM3RS□-6P3 BM3RH□-P40 BM3RH□-P63 BM3RH□-001 BM3RH□-1P6 BM3RH□-2P5 BM3RH□-004 BM3RH□-6P3 BM3RS□-P40 BM3RS□-P63 BM3RS□-001 BM3RS□-1P6 BM3RS□-2P5 BM3RS□-004 BM3RS□-6P3 BM3RS□-010 BM3RH□-P40 BM3RH□-P63 BM3RH□-001 BM3RH□-1P6 BM3RH□-2P5 BM3RH□-004 BM3RH□-6P3 BM3RH□-010 BM3RS□-P40 BM3RS□-P6
Mini-Contactors SK Series Normal Operating Conditions and Mounting Normal Operating Conditions and Correct Mounting Standard Operating Conditions Ambient temperature *1 Ambient humidity Altitude Atmosphere Storage temperature Vibration resistance Shock resistance Mounting −10 to 55°C with no sudden temperature changes resulting in condensation or icing (The average temperature over a 24-hour period must not exceed 35°C.) 45% to 85% RH (with no condensation) 2,000 m max.
Mini-Contactors SK Series Wiring Wiring Wiring and Terminal Processing Make all connections correctly according to the connection diagram. For the SK06 to SK12, you can use solid wires, stranded wires, or crimped terminals for the main terminals, auxiliary terminals, and coil terminals. Tightening Torque If the Magnetic Contactor or Switch is not mounted completely, the shock when the Contactor or Switches is turned ON may cause the contacts to jump or may reduce the durability.
Mini-Contactors SK Series Handling Handling Thermal Overload Relays 1) Adjusting the Current [Figure 1] Turn the adjustment dial within the scale so that the total load current of the motor aligns with the triangle mark. Performance may not be dependable if the dial is set outside of the range of the scale. Adjustment dial 2) Operation Indication [Figure 1] When the Thermal Overload Relay operates, the white trip indicator will disappear in the operation indication window.
Mini-Contactors SK Series Handling Ambient Temperature Compensation Characteristics Changes in the ambient environment will affect the operation of the Thermal Overload Relay. The operational current will be higher at lower temperatures and lower at higher temperatures, i.e., compensation of operating characteristics will not be complete. Adjust the current according to the application environment.
Mini-Contactors SK Series Magnetic Contactors Magnetic Contactors Features International safety standards for standard models (IEC, GB, JIS, UL, and CSA). Models available with AC or DC operating coils (DC: 2.4W and 1.2W models only). Many optional units. - Auxiliary Contact Blocks (2-pole or 4-pole) - Coil Surge Suppression Units - Interlock Units Easier Thermal Overload Relay wiring. The terminal arrangement separates main circuit wires and auxiliary circuit wires for easier wiring.
Mini-Contactors SK Series Magnetic Contactors Dimensions, mm Magnetic Contactors SK06□, SK09□, SK12□ 61 (rail height: 15) 49 36 (34)*1 (17)*2 Main terminals M3.5 8.7 6 Mounting Hole Dimensions Aux. terminal M3.5 45 7.7 35 Coil terminal M3.5 L1 3 L2 5 L3 13 NO A1 + 2 T1 4 T2 6 T3 14 - * 48 31 40 1 2-M4 mounting holes A2 * [NOTE] Mount the Auxiliary Overload Relay with two mounting holes in diagonally opposed corners. [NOTES] *1 With SZ1KA□ Auxiliary Contact Blocks.
Mini-Contactors SK Series Reversing Magnetic Contactors Reversing Magnetic Contactors Features Ideal for forward/reverse motor operation and plugging. Mechanical interlock provided as a standard feature.
Mini-Contactors SK Series Reversing Magnetic Contactors and Magnetic Starters Dimensions, mm Magnetic Contactors SK06□R, SK09□R, SK12□R Approx. 5 Coil terminal M3.5 Aux. terminal M3.5 Main terminals M3.5 68 (rail height: 15) 56 36 90.5 45.5 (34)*1 Mounting Hole Dimensions 80.5 4-M4 mounting holes 6 3L2 5L3 13 A1 1L1 14 A2 2T1 3L2 5L3 13 A1 *1 4T2 6T3 8.7 7.7 14 A2 4T2 6T3 10.7 Approx. 5 2T1 40 48 31 1L1 Wiring diagram 1NO x 2 1/L1 2/T1 Mass : 0.32kg (AC-operated model) 0.
Mini-Contactors SK Series Thermal Overload Relay Thermal Overload Relay Features International safety standards for standard models (IEC, GB, JIS, UL, and CSA). A terminal cover and dial cover are provided as standard features. Highly reliable 1NO1NC isolated auxiliary contacts to enable using NC and NO contacts at different potentials. Easily switch between manual and automatic reset. Parallel arrangement of main terminals and auxiliary terminals for easier wiring.
Mini-Contactors SK Series Thermal Overload Relay Auxiliary Circuit Ratings Ratings for IEC Standard Compliance Type TK12 Conventional free air Rated operational current [A] thermal current [A] Rated operational voltage [V] AC-15 (Ind. load) (Rated continuous current) NC contacts NO contacts 5 24 3 (0.5) 3 (0.5) 100-120 2.5 (0.5) 2.5 (0.5) 200-240 2 (0.5) 1.5 (0.5) 380-440 1 (0.5) 0.75 (0.5) 500-600 0.6 (0.5) 0.6 (0.5) Minimum voltage and current DC-13 (Ind. load) NC contacts NO contacts 1.1(0.3) 1.1 (0.
Mini-Contactors SK Series Thermal Overload Relay Operating Characteristics Curves (Average Values) Tripping Class 10A TK12 series, Ambient temperature: 20°C [Minutes] 80 60 50 40 30 20 10 8 6 5 4 3 3-pole operating characteristic, cold characteristic Operate time 2 60 50 40 30 2-pole operating characteristic, cold characteristic [Seconds] 20 10 8 6 5 4 3 3-pole operating characteristic, hot characteristic 2 1 0.8 0.6 0.5 0.4 0.
Mini-Contactors SK Series Optional unit Optional unit Type Numbers and Product Codes Product name Auxiliary Contact Blocks (Front mounting, Bifurcated Contact) Auxiliary Contact Blocks (Front mounting, Single Button Contact) Auxiliary Contact Blocks (Small Front mounting, Bifurcated Contact) Auxiliary Contact Blocks (Small Front mounting, Single Button Contact) Mechanical Interlock Units Reversing Connection Kit (wiring) Main Circuit Surge Suppression Unit *2 Standalone Installation Unit *2 (for Main Cir
Mini-Contactors SK Series Auxiliary Contact Blocks Auxiliary Contact Blocks Features Easily add on auxiliary contacts. You can add auxiliary contacts without increasing the footprint to contribute to control panel downsizing. Many different contact variations in two external sizes. Models with double contacts are available for high reliability to achieve a minimum operating voltage and current of 5V DC, 3mA.
Mini-Contactors SK Series Auxiliary Contact Blocks Type Contact arrangement SZ1KA40 4NO 53 63 73 83 SZ1KA40H 54 64 74 84 Type SZ1KA31 SZ1KA40 SZ1KA31H Dimensions, mm SZ1KA40H 4-pole 7.7 M3.5 12 29 SZ1KA40 SZ1KA31 SZ1KA22 SZ1KA13 SZ1KA04 SZ1KA40H SZ1KA31H SZ1KA22H SZ1KA13H SZ1KA04H Contact arrangement 53 61 73 83 3NO+1NC 53 63 73 83 4NO 20.3 3 6 8.7 34 38.
Mini-Contactors SK Series Mechanical Interlock Unit and Power Connection Kit for Reversing Mechanical Interlock Unit and Power Connection Kit for Reversing Features Mechanically prevent two Magnetic Contactors from turning ON at the same time. Combine a Reversing Connection Kit with an Interlock Unit to easily configure a reversing Magnetic Contactors. Mounting two Magnetic Contactors on the front surface reduces the mounting footprint and contributes to downsizing control panels.
Mini-Contactors SK Series Main Circuit Surge Suppression Unit and Separate Installation Unit Main Circuit Surge Suppression Unit and Separate Installation Unit Features Absorbs the surge voltage that is generated from three-phase motors when the Magnetic Contactor is switched to suppress the effects of surge voltage. Combination with a Separate Installation Unit enables both screw mounting and DIN rail mounting.
Mini-Contactors SK Series Coil Surge Suppression Units and Operation Indicator Lamps Coil Surge Suppression Units and Operation Indicator Lamps Features The Main Circuit Surge Absorber Unit absorbs the surge voltage that is generated when the coil in a Magnetic Contactor turns OFF. This suppresses malfunctioning of electronic circuits. The Operation Indicator Unit indicates with an LED when voltage is applied to the coil terminals.
Mini-Contactors SK Series Thermal Overload Relay Reset Releases Thermal Overload Relay Reset Releases Features A Reset Release is used to enable resetting a Thermal Relay from the front surface of the panel or from a remote location. Ratings and Types Product name Release length [mm] Mass [g] Thermal Overload Relay Reset Releases 300 500 700 30 40 50 Used with Type 2E Thermal Overload Relay TK12 (Packaged together with Reset Releases for the SZ-R1 TR-0N and 5-1N.
Mini-Contactors SK Series Link Module and Power Connection Kit for Reversing (Insert) Link Module and Power Connection Kit for Reversing (Insert) Features Connect a Manual Motor Starter and a Magnetic Contactor directly through a Link Module. A Reversing Connection Kit (Insert) for Combination Starters has joined the lineup. BZ0LRK12AA SZ1KRW1M Types Link Module: Electrically and mechanically connects a Manual Motor Starter and Magnetic Contactor.
Mini-Contactors SK Series Link Module and Reversing Connection Unit (Insert) Combination Starter Dimensions, mm 71 62.3 45 45 7.15 14.3 45 3.7 27 154.9 137 Link Module Magnetic Contactor Magnetic Contactor 46.2 8.7 3-M4 mounting holes 59.2 5.5 MMS 156 45 15 Link Module 46.2 3.3 47.5 47.5 137 MMS 154.9 15 156 13 5.5 27 45 47.5 13.5 6 47.5 10 27 5.1 3.7 91 75.3 45 14.3 7.15 5.1 BM3RH + SK□ 10 BM3RS + SK□ 3-M4 mounting holes 59.
Mini-Contactors SK Series Auxiliary Relays Auxiliary Relays Type Number Nomenclature Type Number Nomenclature SK-Series Auxiliary Relays SKH4 A H - 1 22 Basic type SK-Series Auxiliary Relay Operating method A : AC-operated models G : DC-operated models (2.4W) L : DC-operated models (1.2W) Auxiliary contact arrangement 40 : 4NO 31 : 3NO+1NC 22 : 2NO+2NC Coil voltage AC operation Auxiliary contact Blank : Bifurcated contact H : Single button contact DC operation 2.4W 1.
Mini-Contactors SK Series Auxiliary Relays Features International safety standards for standard models (IEC, GB, JIS, UL, and CSA). Models available with AC, DC, or low-power DC operating coils. Bifurcated contact for more reliable contact for micro-loads of 3mA at 5V DC. Models with high-capacity contacts (single button contact) are also available. Configure a wide range of contacts in combination with Auxiliary Contact Blocks.
Mini-Contactors SK Series Auxiliary Relays Performances Durability (Based on IEC 60947-5-1) Type SKH4 Number of contacts 4 Operating cycles per hour [times/hour] Mechanical durability 1800 10 million Electrical durability AC-15 220V 440V 500,000 500,000 AC-12 220V 250,000 DC-13 220V 250,000 440V 250,000 DC-12 220V 500,000 Combinations with Auxiliary Contact Blocks SK-Series Auxiliary Relays and Auxiliary Contacts Blocks can be combined as shown in the following table.
Safety Considerations • Operate (keep) in the environment specified in the operating instructions and manual. High temperature, high humidity, condensation, dust, corrosive gases, oil, organic solvents, excessive vibration or shock might cause electric shock, fire, erratic operation or failure. • For safe operation, before using the product read the instruction manual or user manual that comes with the product carefully or consult the Fuji sales representative from which you purchased the product.
