Allen Bradley 1756-PSCA Allen-Bradley

Product Overview The 1756-PSCA is a ControlLogix redundant power-supply chassis adapter module manufactured by Allen-Bradley. It installs in a ControlLogix chassis to interconnect and balance two redundant power supplies, enabling uninterrupted power delivery in the event of a single supply failure. It supports multiple DC voltage rails and is used in industrial applications where redundancy and uptime are essential, such as process control, manufacturing automation, and critical infrastructure. Best Suited For ControlLogix chassis redundant power applications High-availability manufacturing systems Process control panels requiring power redundancy Machine safety applications needing continued power Chassis adapter function Yes Current capacity (at 5.1 V DC) 15 A Operating temperature 0 to 60 °C Open-style enclosure None Technical Specifications I/O & Electrical Current capacity at 1.2 V DC 1.5 A Current capacity at 3.3 V DC 4 A Current capacity at 5.1 V DC 15 A Current capacity at 24 V DC 2.8 A Communication & Power Backplane current (24 V DC) 125 mA Power dissipation (max) 25.7 W @ 30 °C; 21.3 W @ 60 °C Physical & Environmental Operating temperature 0 to 60 °C Non-operating temperature -40 to 85 °C Humidity (non-condensing) 5 to 95 % Vibration (operating) 2 G @ 10-500 Hz Shock (operating/non-operating) 30 G / 50 G Certifications CE ATEX Australian RCM IECEx Scheme China CCC Eurasian Economic Community UL Listed CSA Listed