Overview
The Square D 8536 SCG3 is a Class 8536 non-reversing magnetic motor starter designed for industrial motor control in NEMA Size 1 enclosures. This 3-pole starter carries a current rating of 27 amps and voltage rating of 600VAC, with coil voltage of 220/240VAC at 50/60Hz. Built by Square D (now part of Schneider Electric), the 8536 series is a proven workhorse in manufacturing plants, pump stations, and process automation systems where dependable motor starting is essential.
Key Features
- Non-reversing Type S configuration with melting alloy overload protection and 5kA SCCR rating
- Three-pole, three-phase design suitable for three-phase induction motors
- Screw clamp terminal connection for secure field wiring
- Thermal overload relay with standard heater elements for motor protection
- Made in USA construction with UL and CSA certification
- Proven reliability in harsh industrial environments
Technical Specifications
- Compact open-style contactor design rated for panel or enclosure mounting
- Low maintenance with standard replacement parts widely available
- Heavy-duty contacts rated for frequent duty-cycle switching
- Compatible with standard NEMA control transformers and pilot devices
Typical Applications
- Centrifugal pump and compressor motor control
- Conveyor and material handling equipment
- Industrial fans and blowers
- Machine tool spindle motor starting
- HVAC and mechanical drive systems
- Production line automation and process control
Compatibility & Replacements
Compatible With
- Square D Class 8536 motor starters and components
- Standard NEMA motor control circuits and panel designs
- Class 8540, 8541, and 8736 overload relay modules
- Square D pilot lights, buttons, and selector switches
- Three-phase induction motors up to 10 HP at 460VAC / 7.5 HP at 575VAC
Replaces / Drop-In Replacement For
- Square D 8536 SCO series (older open-type configurations)
- Verify exact part number compatibility with your system integrator before ordering
Works With
- NEMA 1, 4X, 12 industrial control enclosures
- 110/120VAC, 220/240VAC control transformer secondaries (coil voltage dependent)
- Class 9999 Type S accessories including mechanical interlocks and contactor mounted sensors
- Standard three-phase AC motor circuits at 200–600VAC main voltage
