Allen-Bradley PLC 5 1771-PS7C Stand-Alone Power Supply

Overview
The 1771-PS7C from Allen-Bradley is a reliable stand-alone power supply module for the PLC 5 series. It provides stable DC outputs for backplane and user circuits, ensuring consistent performance for industrial control systems.

Technical Specifications

• Brand & Model: Allen-Bradley 1771-PS7C

• Product Type: PLC Power Supply Module

• Product Line: PLC 5

• Weight: 6.0 lbs (2.72 kg)

• Input Voltage Nominal: 120 or 220 VAC

• Input Voltage Range: 97–132 VAC or 195–264 VAC

• Maximum Real Input Power: 171 W

• Maximum Apparent Input Power: 257 VA

• Maximum Transformer Load: 427 VA

• User Output Currents:

• 5 V DC: 8 A

• ±15 V DC: 2 A

• 24 V DC: 2.5 A

• Backplane Output Current: 16 A (5 V DC)

• Frequency: 47–63 Hz

• Fuse Rating: 3 A, 250 V, Normal-Blow

• Remote Cabling: 1771-PSCC, 5.5 ft

• Paralleling Capability: N/A

• Module Type: Power Supply, Stand-Alone

Applications
Designed for PLC 5 systems, the 1771-PS7C ensures uninterrupted power for controllers and peripheral modules. Ideal for industrial environments requiring stable DC supply for control and logic circuits.

FAQ

Q: What input voltage does the 1771-PS7C support?
A: It operates on either 120 VAC (97–132 VAC range) or 220 VAC (195–264 VAC range).

Q: Can this module be paralleled with another power supply?
A: No, this module is stand-alone and does not support paralleling.

Q: What DC outputs are provided for user circuits?
A: 5 V DC at 8 A, ±15 V DC at 2 A, and 24 V DC at 2.5 A.