The Schneider Electric Square D 8903PBQ11B is a three-pole power contactor designed for robust electrical control applications. This contactor is part of the 8903 series, commonly utilized in medium to heavy-duty lighting control systems and general motor control circuits. Its robust construction ensures reliable operation in demanding industrial environments.

Technical details

• Series: Square D 8903
• Poles: 3
• Amperage Rating: 100 Amperes
• Coil Voltage: 120V AC
• Coil Frequency: 60 Hz
• Contact Configuration: Typically N.O. (Normally Open) for main power poles, but verify specific configuration against manufacturer datasheet.
• Enclosure Type: Open style, designed for mounting within control panels.
• Terminal Type: Screw terminals for power and control connections.

Applications & compatibility

This 100A, 120V coil contactor is well-suited for controlling lighting loads in large commercial buildings, manufacturing facilities, and outdoor lighting systems. It can also be used for direct-on-line starting of medium-sized three-phase motors where a 100A rating is appropriate. Compatibility should be verified with the specific control system and motor requirements.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D 8903PBQ11B or contact our technical team for cross-reference assistance with compatible 8903 series components.