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The SEL-551 delivers dependable overcurrent protection
the module integrates seamlessly into X80 backplanes and provides firmware-based digital filtering for improved signal stability
8 mm W x 120 mm D
Protocols: Data Highway Plus (DH+) using RS-485 convention
Battery backup support: Ensures continued system operation using a 12V backup battery
6EP1961-3BA21 | Siemens SITOP PSE202U 24V DC 40A Redundancy Module for Dual Power Supplies New The SEL-551 delivers dependable overcurrentDescription The Siemens 6EP1961 3BA21 is a SITOP PSE202U redundancy module designed to decouple two 24V DC SITOP power supplies, each rated up to 20A. It provides a combined output of 24V DC at up to 40A, ensuring continuous power availability in the event of a single supply failure. This module is used to improve system reliability in industrial automation and control applications. Technical Specifications Condition New Never Used Surplus Brand
