Allen Bradley
24V DC Redundant Power Bundle 1756-PBR2 Allen Bradley
Manufacturer: Allen Bradley
Product No.: 1756-PBR2
Product Type: Redundant Power Supply Assembly
Product Origin: USA
Payment: T/T
Weight: 1100g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
Product Overview
The Allen-Bradley 1756-PBR2 is a ControlLogix redundant power supply assembly for 24 V DC applications. The bundle includes two 1756-PB75R power supplies, two 1756-CPR2 redundant power cables, and one 1756-PSCA2 chassis adapter, providing complete power redundancy for ControlLogix chassis.
Key Specs
- Input voltage: 19.2-32 V DC (nominal 24 V DC)
- Output current: 13 A @ 5.1 V DC per supply, 10 A @ 3.3 V DC
- Output power: 75 W max per supply
- Bundle contents: 2x 1756-PB75R, 2x 1756-CPR2 cables, 1x 1756-PSCA2 adapter
- Redundant configuration: Yes, dual supplies with automatic failover
- Compatible chassis: 1756-A4/B, A7/B, A10/B, A13/B, A17/B
Why Choose This
- Complete bundle eliminates the need to source individual components
- Dual 13 A supplies share the load with seamless failover on supply failure
- Annunciator contacts provide remote status monitoring of each supply
- 75 W output capacity supports fully loaded 17-slot chassis
Common Questions
- What is included in the 1756-PBR2? Two 1756-PB75R power supplies, two 1756-CPR2 redundant cables, and one 1756-PSCA2 chassis adapter.
- Can I mix AC and DC supplies in redundancy? No, both supplies must be the same catalog number and input voltage type.
- Is the 1756-PSCA2 required? Yes, the adapter connects the redundant supplies to the single power connector on standard ControlLogix chassis.
Mounting Steps
- Mount the two 1756-PB75R supplies in the leftmost power supply positions of the chassis.
- Install the 1756-PSCA2 chassis adapter between the supplies and the chassis.
- Connect the 1756-CPR2 cables from each supply to the adapter.
- Wire the annunciator contacts for remote status indication if required.
- Apply 24 V DC input power and verify both supplies indicate normal operation.
Buying Advice
- Select 1756-PBR2 for complete DC power redundancy in a single part number.
- For AC input redundancy, choose the 1756-PAR2 bundle instead.
- For extended temperature applications, specify the 1756-PBR2XT variant.