Siemens 7PJ1321-5CC02-0AA0

The Siemens catalog number 7PJ1321-5CC02-0AA0 refers to a trip circuit supervision relay designed for monitoring and ensuring the integrity of trip circuits. This relay features two binary inputs and includes a set of contacts configured as 2 normally open (NO) and 2 normally closed (NC), all of which are self-resetting. It supports a wide auxiliary voltage range from 24 to 240 V AC/DC, and its binary inputs operate within 40 to 240 V AC/DC. To facilitate easy status monitoring, the device is equipped with four LED indicators that show the status of the binary inputs, auxiliary supply, and the health of the trip circuit supervision. This product is available through BSP Automation, providing reliable solutions for protective relay and control system applications.