Overview
The Square D 8536SDO1S is a NEMA Size 2 Type S magnetic motor starter designed for full-voltage starting and stopping of three-phase AC squirrel cage motors. This 3-pole starter with a 45-amp current rating operates at 600V and provides full voltage starting and stopping for AC squirrel cage motor applications. The unit features thermal overload protection and screw-clamp terminal connections, making it suitable for general-purpose industrial motor control.
Key Features
- Three-pole, three-phase configuration with NEMA Size 2 rating
- Trip-free overload construction allowing the relay to trip even if the reset lever is blocked
- Control coil operates at 120V, 50/60 Hz
- Solid-state Motor Logic class 10/20 thermal overload type
- Normally open holding circuit contact for 3-wire control with angled contacts providing high contact pressure and positive seating
- Open enclosure (non-rated) design for compact panel mounting
Technical Specifications
Standard specifications for the Square D 8536SDO1S include a 45-ampere line current rating and system voltage of 600V AC. The starter provides motor protection suitable for various HP ratings depending on the supply voltage. Dimensions are 7.8 inches in height, 4.92 inches in depth, and 4.29 inches in width.
Typical Applications
Full-voltage starters start and stop 1- and 3-phase AC motors in manufacturing, HVAC systems, compressor drives, and pump control. The Square D 8536SDO1S is ideal for applications requiring reliable motor control without the complexity of reversing contactors or programmable logic controllers. Common uses include:
- Industrial pump and compressor motor control
- Machine tool motor starting
- General-purpose three-phase motor applications
- HVAC system blower and fan motor control
Compatibility & Replacements
Compatible With
- Standard three-phase AC squirrel-cage induction motors
- Enclosures supporting open NEMA Type S starter mounting
- 24V, 110V, and 120V DC/AC control circuits
- Class 9001 push-button stations and pilot control devices
- Melting alloy thermal overload relay systems
Replaces / Drop-In Replacement For
Class 8536 starters are available in NEMA Sizes 00-7, offering multiple options for starter selection. Verify compatibility with your system integrator before ordering to ensure the coil voltage and motor HP rating match your application requirements.
Works With
- Square D / Schneider Electric control devices and pushbutton stations (Class 9001)
- Thermal overload relay units (Class 9001 types: B-30, GG-201, BW-40, GW-206)
- Standard three-phase AC power distribution systems (208V, 230V, 460V, 575V, 600V)
- Manual control stations and jog/run circuits
- Existing NEMA Type S motor starter installations
