Allen-Bradley 1756-PB75R: A redundant DC power supply for ControlLogix systems, offering 19-32V DC input and 75W output, ensuring reliable operation in critical applications.
Product Model1756-PB75R
Product ID108430
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Redundant ConfigurationThe 1756-PB75R features a redundant configuration, ensuring continuous operation even if one power supply fails. This design provides additional uptime protection for critical applications, minimizing downtime and ensuring system reliability.
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2. Wide Input Voltage RangeWith an input voltage range of 19-32V DC, the 1756-PB75R can accommodate various power requirements, making it versatile for different system configurations.
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3. High Output PowerThe power supply delivers a maximum output power of 75W at 0-60°C (32-140°F), ensuring that your ControlLogix system receives the necessary power to operate efficiently.
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4. Multiple Output VoltagesThe 1756-PB75R provides multiple output voltages, including 5V DC at 13A, 3.3V DC at 4A, 1.2V DC at 1.5A, and 24V DC at 2.8A. This flexibility allows you to power various components within your system.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Connection Cables
1756-CPR2
Output Voltage and Current
5V DC @ 13A, 3.3V DC @ 4A, 1.2V DC @ 1.5A, 24V DC @ 2.8A
Redundant Configuration
Yes
Type of voltage (input voltage)
DC
Power output
75 W
Output voltage at DC
5.1 V
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5. Compact DesignThe module is designed to be panel-mounted, with dimensions of 6.9 x 5.7 x 5.4 inches, making it compact and easy to integrate into your existing control systems.
Input voltage at DC
18 V
Input voltage, nom
24V DC
Inrush current, max
30 A
Input power, max
110 W
Current capacity
4A @ 3.3V DC
Power output, max
75 W @ 0...60 °C (32...140 °F)
Annunciator power
90V DC for ATEX/IECEx
Wire category
3 - on annunciator ports, 1 - on power ports, 3 - on 1756-CPR2 connections
Hold-up time
20 ms
Wire size
Power: 2.5 mm2 (14 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulation max, Annunciator: 0.25â¦2.5 mm2 (22 AWG) solid or stranded copper wire rated at 90 °C (194 °F), or greater, 1.2 mm (3/64 in.) insulat
Suitable for safety functions
No
Type of output voltage
DC
Redundancy capable
No
Pilot duty rating
Annunciator - not rated
Width
145 mm
Height
175 mm
Depth
137 mm
Enclosure type rating
None (open-style)
Weight
1.88
ISAGX
No
Rockwell tire and rubber rated
No
Conductor screw torque
0.565 nm
Vibration
2 G @ 10...500 Hz
Relative humidity
5...95% noncondensing
Shock
Operating: 30 G
Operating temperature
0 to 60 °C
Voltage variation
IEC 61000-4-29: 10 ms interruption on DC supply ports, 60% dips for 100 ms on DC supply ports, 100% dips for 50 ms on DC supply ports, ±20% fluctuations for 15 min on DC supply ports, 5 s interruptions on DC supply ports
Repairable
REPAIRABLE
Preferred Availability
true
Quick Turnaround
false
Dimension Height
20.396
Lead Time
5
Dimension Width
20.396
Dimension Length
25.908
Stock Status
STOCKED
Weight Unit
KG
Dimension Unit
CM
Allen-Bradley 1756-PB75R ControlLogix Redundant DC Power Supply | INDSLT
