The Allen-Bradley 1771-PSC is a dedicated power supply chassis assembly engineered for the PLC-5 family, providing essential DC power to the 1771 I/O backplane. This unit ensures stable operation of up to eight I/O modules by delivering +5V DC and +24V DC outputs with precise regulation, making it a critical component in industrial automation systems where reliability and uptime are paramount. The 1771-PSC is designed to be mounted directly into the 1771 series chassis, offering a plug-and-play solution that simplifies installation and maintenance in manufacturing environments.
| Parameter |
Specification |
| Model Number |
1771-PSC |
| Product Type |
Power Supply Chassis Assembly |
| Compatible Systems |
Allen-Bradley PLC-5 (e.g., 5/11, 5/20, 5/30, 5/40, 5/60, 5/80) |
| I/O Module Capacity |
Up to 8 modules in a single chassis (1771-A1B, -A2B, -A3B, -A4B) |
| Output Voltage 1 |
+5V DC ±1% at 10 A maximum |
| Output Voltage 2 |
+24V DC ±1% at 2 A maximum |
| Input Voltage |
120/240V AC, 50/60 Hz, auto-ranging |
| Input Power |
150 VA typical |
| Protection Features |
Overcurrent (foldback), short-circuit, overvoltage lockout |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% non-condensing |
| Cooling Method |
Natural convection (no fan required) |
| Mounting Style |
Directly bolts into 1771 series chassis; includes backplane connector |
| Dimensions (H x W x D) |
Approximately 10.5 x 4.5 x 6.0 inches (267 x 114 x 152 mm) |
| Weight |
Approximately 3.5 lbs (1.6 kg) |
| Certifications |
UL Listed, CSA Certified, CE Marked |
| Warranty |
Standard 1-year limited warranty (extended options available) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22