7SR1053-2LA22-2FA0 SIEMENS

The 7SR1053-2LA22-2FA0 Siemens is a Size 4 moulded case relay designed for comprehensive protection and control applications. It features four current transformer (CT) inputs for accurate current measurement and six binary inputs and six binary outputs for flexible control and signaling. The relay is equipped with 10 LEDs for clear indication of status and alarms. It supports a wide range of AC/DC voltages from 60-240V and operates at both 50/60 Hz frequencies. The binary input threshold is set at 44 V AC/V DC. This standard version does not include a cover. It offers versatile communication options with a front USB port and a rear RS-485 port, supporting IEC 60870-5-103, Modbus RTU, and DNP 3.0 protocols. Additionally, it includes six RTD inputs and breaker control push buttons, enhancing its functionality for temperature monitoring and breaker management. This model incorporates additional functions specifically tailored for temperature input applications.