Allen Bradley 1756-PB75R/A Redundant DC Power Supply

FAQ

Q1: What is the main purpose of this module?
It provides a redundant DC power supply for ControlLogix PLC racks, ensuring the system continues running if one supply fails.

Q2: What input voltage range does it support?
The module accepts DC input from 18 V to 32 V with a nominal 24 V DC.

Q3: How much output power does it deliver?
It delivers up to 75 W of output power within its operating temperature range.

Q4: Does it support load sharing between supplies?
Yes, it supports true redundancy with automatic load sharing between installed redundant supplies.

Q5: What are the physical dimensions of this unit?
Approximately 175 mm (height) × 145 mm (width) × 137 mm (depth).

Q6: What is the typical operating temperature range?
The module operates reliably between 0 °C and 60 °C.

Q7: What type of enclosure does this module have?
It is open‑style with no enclosed housing.

Q8: Is this module compatible with all ControlLogix chassis?
It is designed to work with ControlLogix Series B chassis.

1756-PB75R/A Allen Bradley

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