Siemens 3VL4140-2PE30-0AA0 VL400 UL ETU LSI Circuit Breaker

The Siemens 3VL4140-2PE30-0AA0 is a VL400 UL circuit breaker, identified as a Type JG (cat no. HJX3T400) molded case circuit breaker with a non-interchangeable frame. It adheres to UL 489 standards, offering a high breaking capacity of 65kA at 480V in a 3-pole configuration. This specific model features an Electronic Trip Unit (ETU) with LSI (Long-time, Short-time, Instantaneous) protection functions. It is temperature compensated for TA=40°C, with a rated current (In) of 400A. The overload protection (IR) is adjustable from 200A to 400A, short-time delay (ISD) from 1.5 to 10 times IR, and instantaneous trip (II) at 11 times In. This unit is designed for line protection and is supplied without connection accessories and without auxiliary/alarm switches. It is intended as a spare part for replacement purposes only and does not include an auxiliary release.

This circuit breaker is suitable for applications requiring precise LSI protection settings, particularly in systems where short-circuit conditions need to be managed effectively. Its NEMA rating and UL 489 certification make it a robust choice for industrial power distribution, motor control centers, and protection schemes in manufacturing facilities. The ability to fine-tune the short-time delay is beneficial for systems with specific coordination requirements.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3VL4140-2PE30-0AA0. We provide a reliable source for industrial automation components, ensuring you receive quality surplus parts at competitive prices. Partner with Stanlo Automation for your replacement part needs.