The Schneider Electric TM40D trip unit is designed for use with Compact NSX 100/160 series circuit breakers. This thermal magnetic trip unit provides essential overcurrent protection for electrical distribution systems. It is specifically engineered to safeguard equipment and personnel from thermal overload and short-circuit events.

Technical details

• Trip Unit Type: Thermal Magnetic
• Series: TM40D
• Compatible Circuit Breaker Series: Compact NSX 100/160
• Current Rating: 40 A
• Number of Poles: 4
• Pole Configuration: 4d (likely indicating 4 normally open auxiliary contacts or similar functionality, verify with datasheet)
• Protection Functions: Thermal overload and magnetic short-circuit protection
• Mounting Type: Integrated into Compact NSX 100/160 frame
• Actuation Method: Manual trip lever

Applications & compatibility

This TM40D trip unit is a critical component for ensuring the safe operation of electrical panels and distribution boards within industrial facilities. It is commonly found in applications requiring reliable overcurrent protection for motor circuits, lighting circuits, and general power distribution in manufacturing plants, processing facilities, and building management systems.

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 LV429054 or contact our technical team for cross-reference assistance with compatible Compact NSX components.