Allen-Bradley 1756-PB75R Redundant Power Supply Module

The Allen-Bradley 1756-PB75R is a redundant power supply module that is used with the 1756 ControlLogix Programmable Automation Controller (PLC) range. It provides a backup power source in case the primary power supply fails, thus ensuring that your automation system continues to operate without interruption.

Here are some of the key specifications and features of the 1756-PB75R:

Input voltage range: 18 to 32 Volts DC (24 Volts DC nominal)
Maximum input power rating: 110 Watts
Output voltage: 5.1 Volts DC
Output current: 4 Amps @ 3.3 Volts DC
Maximum power output: 75 Watts @ 0...60 °C (32...140 °F)
Hold-up time: 20 milliseconds
Operating temperature: 0 to 60 °C (32 to 140 °F)
Dimensions: 145 mm (5.71 in) wide x 175 mm (6.89 in) high x 137 mm (5.39 in) deep
Weight: 1.45 kg (3.2 lbs)
The 1756-PB75R is a hot-swappable module, which means that it can be replaced while the PLC is still running. This makes it easy to maintain and service your automation system without having to take it offline.

Here are some of the benefits of using the 1756-PB75R:

Increased system uptime: By providing a backup power source, the 1756-PB75R can help to prevent downtime caused by power outages.
Improved system reliability: The 1756-PB75R can help to improve the reliability of your automation system by providing a redundant power source.
Easier maintenance: The hot-swappable design of the 1756-PB75R makes it easy to maintain and service your automation system.

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