| Part number | 1756-PA50 |
| Manufacturer | Allen-Bradley |
| Product line | ControlLogix |
| Product type | Standard AC power supply |
| Function | Provides system power for a ControlLogix chassis |
| Nominal input voltage | 120/240 V AC |
| Input voltage range | 85 to 265 V AC |
| Input frequency range | 47 to 63 Hz |
| Maximum inrush current | 20 A |
| Output current at 1.2 V DC | 1.5 A |
| Output current at 3.3 V DC | 2 A |
| Output current at 5.1 V DC | 8 A at 50 °C; 6 A at 60 °C |
| Output current at 24 V DC | 2.5 A at 50 °C; 2 A at 60 °C |
| Maximum output power | 60 W at 0 to 50 °C; 50 W at 0 to 60 °C |
| Maximum input power | 81 W/91 VA at 50 °C; 68 W/77 VA at 60 °C |
| Isolation voltage | 250 V continuous |
| Isolation test | 3150 V DC for 60 s |
| Isolation type | Reinforced insulation |
| Input wiring | 2.5 mm² (14 AWG) solid or stranded copper wire rated at 90 °C or higher |
| Maximum insulation thickness | 1.2 mm (3/64 in.) |
| Mounting location | Left side of a 1756 chassis |
| Compatible chassis | 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 |
| Compatible chassis revisions | Series A, B, and C |
| Dimensions | 5.51 x 3.07 x 5.71 in |
| Weight | 1.7 lb |
| Operating temperature | 0 to 60 °C |
| Operating shock | 30 g |
| Relative humidity | 5 to 95%, noncondensing |
| Enclosure type | Open |
What is the 1756-PA50?
The 1756-PA50 is a ControlLogix standard AC power supply designed to provide system power for a 1756 ControlLogix chassis. It mounts in the dedicated leftmost chassis position.
What input voltage does the 1756-PA50 accept?
The module accepts an input voltage range of 85–265 V AC, with a nominal input rating of 120/240 V AC. Its input frequency range is 47–63 Hz.
Which ControlLogix chassis are compatible with the 1756-PA50?
The 1756-PA50 is compatible with 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 chassis in Series A, B, and C.
What output current capacity does the 1756-PA50 provide?
The module provides 1.5 A at 1.2 V DC, 2 A at 3.3 V DC, 8 A at 5.1 V DC at 50 °C or 6 A at 60 °C, and 2.5 A at 24 V DC at 50 °C or 2 A at 60 °C.
What is the isolation rating of the 1756-PA50?
The 1756-PA50 has a 250 V continuous isolation rating between the power input and backplane, using reinforced insulation. The isolation test is specified as 3150 V DC for 60 seconds.
What are the dimensions and weight of the 1756-PA50?
The module measures 5.51 × 3.07 × 5.71 inches and weighs 1.7 lb.
Does the Allen-Bradley 1756-PA50 come with a warranty?
Yes. The 1756-PA50 is backed by our 24-Month Replace Industrial Warranty, with no rush fees or hidden warranty charges. If a unit fails under normal use within the warranty period, we repair or replace it.
Is this 1756-PA50 a genuine Allen-Bradley part?
The 1756-PA50 is sourced and verified independently. Replace Industrial, LLC is not a Rockwell Automation Authorized Distributor, and all warranties are provided directly by Replace Industrial.
Is the Allen-Bradley 1756-PA50 new or used?
We offer the 1756-PA50 in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.
What are the key ratings of the 1756-PA50?
The 1756-PA50 runs on 120/240 V AC, draws 1.5 A, and is rated at 60 W at 0 to 50 °C; 50 W at 0 to 60 °C.
What is the Allen-Bradley 1756-PA50?
The 1756-PA50 is an Allen-Bradley ControlLogix 1756 Standard AC power supply.
1756-PA50
The Allen-Bradley 1756-PA50 is a ControlLogix standard AC power supply by Rockwell Automation, providing a nominal input voltage of 120/240 Volts AC, adaptable within 85-265 Volts AC. Designed to fit on the left side of a 1756 chassis, it measures 5.51 x 3.07 x 5.71 inches and weighs 1.7 lbs, delivering reliable power with an isolation voltage of 250 Volts continuous.
All products are covered by our 2-Year (24-Month) Replace Industrial Warranty. If a unit is found defective under normal use within the warranty period, we repair or replace it at no additional cost, and a unit may be returned for a full refund within 30 days if returned in the same condition it was sent.
Replace Industrial is an independent distributor and does not convey the manufacturer's warranty; all warranties are provided by Replace Industrial alone. Read the full warranty policy
We repair a wide range of industrial automation equipment, including PLCs, HMIs, drives, servo motors, switches, and circuit breakers, with rush service for critical downtime. Request a quote, ship your unit, and we diagnose, repair, and return it. Request a repair quote
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