The Schneider Electric Square D 685681 is an under-voltage trip accessory designed to enhance the safety and operational integrity of electrical distribution systems. This accessory is engineered for direct integration with specific Square D circuit breaker frames, providing essential protection against voltage fluctuations and power outages. Its function is to trip the associated circuit breaker when the supply voltage drops below a predetermined threshold, preventing damage to connected equipment and ensuring system stability.

Technical details

• Accessory Type: Under-Voltage Trip
• Voltage Rating: 125V DC
• Manufacturer Series: Square D
• Functionality: Trips circuit breaker upon loss of control voltage
• Compatible with: Specific Schneider Electric Square D circuit breaker frames (verify compatibility with your existing breaker model)
• Operating Temperature Range: Consult manufacturer datasheet for specific environmental operating limits
• Mounting Type: Internal accessory for circuit breaker installation
• Agency Certifications: Refer to manufacturer documentation for applicable certifications

Applications & compatibility

This under-voltage trip accessory is critical for applications requiring reliable protection against voltage sags and failures, commonly found in motor control centers, power distribution panels, and critical infrastructure systems. It ensures that sensitive machinery and processes are safely de-energized during abnormal voltage conditions, preventing damage and minimizing downtime in environments such as manufacturing plants, water treatment facilities, and commercial buildings.

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 685681 or contact our technical team for cross-reference assistance with compatible Square D circuit breaker components.