Brochure
Table Of Contents
- AC Magnetic Contactors Class 8502
- AC Magnetic Starters Class 8536
- Class 8502 and 8536 Application Data
- Power Contact Ratings
- Short Circuit Protection
- Capacitor Switching
- Maintenance of Equipment
- Auxiliary Units
- Factory Installed Auxiliary Contacts
- Form Number of Additional Auxiliary Contacts
- Control Circuit Transformers
- Power Poles
- Size 6 Type SH and Size 7 Type SJ Contactors and Starters
- Operation Rates
- Auxiliary Contacts
- Class 8502 Open Type Class 8536 Open Type
- NEMA Type 1 — General Purpose Enclosure
- NEMA Type 1 — General Purpose Enclosure with Form F4T
- NEMA Type 7 & 9 Enclosures for Hazardous Locations Sizes 0-2, Bolted Cover, Cast Iron, Sizes 0-5,...
- NEMA 7 & 9 Bolted Cover, Cast Aluminum
- General Information
- Altitude
- Termination Means
- Auxiliary Contacts
- Auxiliary Contact Units
- section 2 – reversing magnetic starters and contactors
- AC Magnetic Reversing Contactors Class 8702
- AC magnetic reversing starters class 8736
- General Information
- Overload Relays
- MOTOR LOGIC™ Solid State Overload Relay (SSOLR)
- Enclosures
- Holding Circuit Contact
- Coil Voltages
- Mechanical Interlocks
- Auxiliary Contacts
- Type S Accessories
- Power Contact Ratings
- Maintenance of Equipment
- Control Transformer Selection
- Auxiliary Units
- Factory Installed Auxiliary Contacts
- Open Type — 2 or 3-Pole Only
- Auxiliary Contact Units
- General Information
- section 3 – motor starters multi-speed
- Additional Features
- Special Relays for Non-Reversing and Reversing Multispeed Starters
- Thermal Units
- Typical Elementray Diagrams
- Thermal Units
- Vertically Arranged, Open Type, Two Speed Starters
- Thermal Units
- Special Arrangements with Three Devices
- Ordering Information Required
- Thermal Units
- Thermal Units
- Application Data for Types SB-SH
- Control Transformer Selection
- Mechanical Interlock
- Section 1 – magnetic contactors and starters
3
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© 1998 Square D All Rights Reserved
and automatic reset, trip current adjustment, and
an alarm contact on Sizes 0-2. For additional
information, see the Class 9065 catalog section.
To order Type S starters with bimetallic overload
relays, see Factory Modifications (FORMS).
Enclosures
Class 8536 magnetic starters are available in the
following enclosures.
• NEMA Type 1 General Purpose Enclosure
• NEMA Type 3R Rainproof, Sleet Resistant for
Outdoor Use
• NEMA Type 4 & 4X Watertight and Dusttight
• NEMA Type 4X Watertight, Dusttight, and
Corrosion Resistant Glass – Polyester
• NEMA Type 7 & 9 Bolted and Spin-Top for
Hazardous Locations
• NEMA Type 9 Bolted for Hazardous Locations
• NEMA Type 12 Dusttight and Driptight for
Industrial Use
The NEMA Type 4 & 4X stainless steel enclosure
(Sizes 0-5) has a brushed finish. For an
electropolished finish, specify Form G16 and add
15% to the price of the standard device. Sizes 6 &
7 are painted sheet steel and are rated NEMA 4
O N LY.
Also NEMA Type 12 devices are available UL
Listed for use in Class II, Division 2, Group G and
Class III, Divisions 1 and 2 locations. Specify
Form G21, no additional charge.
Separate enclosures are available, see Class
9991.
Coil Voltages
AC coils are available for application on 50-60
Hertz. NEMA Sizes 00-5 are supplied with coils
that are designed to operate satisfactorily on line
voltages of 85% – 110% of rated voltage. NEMA
Size 6 and 7 contactors are supplied with a DC
coil operated by a solid state rectifier circuit that is
powered by an AC source.
Please note that
Voltage Codes
have been
added to the Type designations in order to
improve customer service. It is necessary to
include the Voltage Code when ordering
contactors and starters. Also, 120 Volt Polyphase
contactors and starters will be wired for separate
control.
Auxiliary Contacts
Additional auxiliary contacts may be added to
Type S contactors. See Page 15 for maximum
number of auxiliary units and Form designations
for factory installed auxiliary contacts.
Type S Accessories
Additional accessories such as power poles,
pneumatic timer attachments, and cover mounted
control stations are available as factory or field
modifications.
Full Voltage Contactors and Starters — NEMA
Application Data – Class 8502, 8536