Overview
Square D 8536 SEG-2 is a Class 8536 Type S NEMA Size 0 three-phase motor starter designed for full voltage starting and stopping of AC squirrel cage motors up to 600VAC. Type S NEMA motor starters are used for full voltage starting and stopping of AC squirrel cage motors. This used unit provides reliable motor control with thermal overload protection suitable for industrial automation and machinery applications.
Key Features
- NEMA Size 0 Class 8536 Type S Configuration: NEMA Size 0 motor starters have 3 phase ratings of 3 HP at 200 and 230 VAC and 5 HP at 460 and 575 VAC.
- Three-Phase 18 Ampere Rating: This 3 pole NEMA Size 0 non-reversing starter has an 18 ampere rating.
- Thermal Overload Protection: Non-reversing NEMA motor starter has a melting alloy type overload relay that uses Type B thermal units to sense over current conditions.
- Replaceable Coil Design: Type S motor starters are available with replaceable coils in a wide variety of voltages.
- NEMA 1 General Purpose Enclosure: A painted sheet steel NEMA 1 general purpose enclosure is used to protect this starter. Enclosure is 10.00 inches tall, 6.00 inches wide and 5.56 inches deep.
- UL Listed and CSA Certified: Type S non-reversing NEMA motor starters are UL listed and CSA certified.
Technical Specifications
- Horsepower Rating (3-Phase): 3 HP @ 230VAC; 5 HP @ 460/575VAC
- Maximum Line Voltage: 600VAC
- Contactor Amperage Rating: 18A @ 600V max
- Poles: 3 Pole
- Overload Relay Type: Melting Alloy with Type B Thermal Units
- Enclosure Type: NEMA 1 (General Purpose), Painted Sheet Steel
- Enclosure Dimensions: 10.00″ H × 6.00″ W × 5.56″ D
- Form: Form S (Separate Control)
- Certifications: UL Listed, CSA Certified
- Condition: Used
Typical Applications
The Square D 8536 SEG-2 is commonly applied in:
- Machine tool motor control circuits
- HVAC compressor and fan motor starting
- Pump motor control (3–5 HP range)
- Industrial equipment requiring thermal overload protection
- Plant facilities requiring reliable, compact motor starter solutions
Compatibility & Replacements
Compatible With
- AC squirrel cage induction motors, 3-phase
- Standard 600VAC industrial control circuits
- Control transformers with 120VAC coil voltage capability
- Thermal overload relay units (Class 8502 melting alloy type)
- Type S motor starter accessories (Class 9999)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Standard Class 8536 Type S NEMA Size 0 starters with equivalent horsepower and voltage ratings may be compatible; however, the specific SEG-2 model designation should be confirmed against your equipment documentation or control schematics.
Works With
- Class 8502 Contactors (3-pole Type S configuration)
- Class 8504/8505 Melting Alloy Overload Relays
- Class 9001 Enclosures (NEMA-rated general purpose and industrial duty)
- Class 9999 Type S Starter Accessories
- Manual push button stations and pilot devices
- Standard industrial control wiring and terminations per NEC/NFPA standards
