Allen Bradley 1756-PSCA2/A Redundant Power Supply Chassis Adapter

FAQ

Q1: What is the purpose of the 1756-PSCA2/A module?
It allows two redundant power supplies to feed a single ControlLogix chassis connection, ensuring continuous power availability.

Q2: Does this module generate power itself?
No, it is a passive adapter that only distributes power from connected supplies.

Q3: Which power supplies are compatible?
It is designed to work with redundant models such as 1756-PA75R/A and 1756-PB75R/A.

Q4: Where is the module installed?
It mounts directly on the left side of a ControlLogix chassis.

Q5: What chassis types are supported?
It is compatible with standard ControlLogix Series B chassis.

Q6: What are the electrical capacity limits?
It supports multiple voltage rails including 1.2 V, 3.3 V, 5.1 V, and 24 V with defined current capacities.

Q7: What environmental conditions can it operate in?
It operates within 0–60 °C and standard industrial humidity conditions (5–95% non-condensing).

Q8: What are the size and weight of the module?
Typical dimensions are about 140 mm × 140 mm × 32 mm, with a weight around 0.2 kg.

1756-PSCA2/A Allen Bradley

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