The Schneider Electric Micrologic 4.2 trip unit is an electronic control module designed for Compact NSX 250 circuit breakers. This specific unit is configured for 4-pole applications and features a 250A rating, making it suitable for protecting electrical distribution systems in demanding industrial environments. Its advanced electronic trip functions provide precise overcurrent and short-circuit protection.

Technical details

• Trip Unit Type: Electronic Micrologic 4.2
• Compatible Circuit Breaker Series: Schneider Electric Compact NSX 250
• Number of Poles: 4
• Current Rating: 250 Amperes
• Trip Unit Functionality: Electronic overcurrent and short-circuit protection
• Configuration: 4d (typically refers to the number of protected poles and auxiliary contacts)
• Protection Settings: Adjustable or fixed settings for long-time, short-time, instantaneous, and ground-fault protection (verify specific model capabilities against manufacturer datasheet)

Applications & compatibility

This Micrologic 4.2 trip unit is integral to the protection scheme of Schneider Electric Compact NSX 250 circuit breakers, commonly found in main distribution panels, sub-distribution boards, and motor control centers. It is essential for ensuring the reliable operation and safety of electrical systems in manufacturing plants, data centers, 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 LV433808 or contact our technical team for cross-reference assistance with compatible Compact NSX components.