Square D 8903S Type S 3-Pole Electrically Held Lighting Contactor

Square D 8903S Type S 3-Pole Electrically Held Lighting Contactor

The Square D 8903S Type S lighting contactor is an electrically held, 3-pole device built for lighting control applications in industrial and commercial facilities. This open-style contactor is available with motor full-load amperage (FLA) ratings from 30A to 100A and operates on a 110/120VAC coil at 50/60Hz, making it well suited for common control circuits that require reliable disconnect of lighting loads for periodic maintenance. Backed by UL Listed and CSA certification, this Square D contactor delivers dependable performance for professional electrical installations, with a rating selectable to match the specific load of the installation.

Key Features

• Electrically Held Operation: The 8903S Type S contactor is the electrically held version, ideal for lighting control applications.
• Pole Configuration: 3-pole design supports multipole lighting circuits.
• Switching Capacity Range: Available with motor FLA ratings from 30A up to 100A to match the load requirements of the installation.
• Coil Voltage: 110/120VAC coil operates at 50/60Hz (120V AC 60Hz / 110V AC 50Hz control circuit voltage).
• Open Style Construction: Open device style, not rated for NEMA enclosure protection.
• Serviceable Design: Serviceable by replacing contacts and coils rather than replacing the entire product.
• Robust Build: Robust design and reliable build for long mechanical life and electrical endurance.
• TAA Compliant: Meets Trade Agreements Act compliance requirements.

Certifications & Compliance

• UL Listed
• CSA
• TAA Compliant
• RoHS EU In Scope
• Mercury Free

Technical Specifications

• Poles Description: 3P
• Motor FLA Range: 30A - 100A
• Warranty: 18 months
• Warranty Period: 18 months
• Device Type: LV equipment - LV contactor
• Electrical Connection: lugs
• Control Type: no control units
• Control Circuit: common control circuit
• Serviceability: No
• Mercury Free: Yes
• ROHS Eur In Scope: Yes
• Compliance: TAA
• Country of Origin: Mexico
• Standards: CSA

Typical Applications

• Lighting Circuit Control and Disconnect
• Industrial and Commercial Lighting Systems
• Panel Builder and OEM Control Panel Assemblies
• Periodic Maintenance Disconnect for Lighting Circuits
• Common Control Circuit Applications

Why Square D?

Square D by Schneider Electric engineers the 8903S Type S contactor line for robust, code-compliant performance in demanding lighting control applications across its full 30A to 100A FLA range. With serviceable contacts and coils, UL Listed and CSA certification, and a mercury-free, TAA-compliant design, this electrically held contactor is built for long mechanical life and reliable electrical endurance in professional installations.