- Use 1746-P1 only as the documented SLC 500 chassis power supply
- Set the input-voltage selector to the verified AC source before energizing
- Keep the backplane and isolated 24 VDC user loads within their separate ratings
Allen-Bradley 1746-P1 is an SLC 500 chassis power supply for modular controllers and I/O systems.
Allen-Bradley 1746-P1 is a chassis-side AC power supply for SLC 500 modular controllers and I/O systems. 1746-P1 is the complete catalog number. The official installation instructions identify Series A hardware, while the current Rockwell lifecycle page lists the catalog as discontinued.
Before installation or replacement, verify the complete nameplate, compatible companion hardware, wiring or network design, saved configuration and commissioning plan.
Availability, condition, price, and shipping time for 1746-P1 are confirmed during quotation.
Allen-Bradley 1746-P1 SLC 500 Chassis Power Supply Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Verify 85 to 132 VAC or 170 to 265 VAC supply before wiring
- Set the 120/220 VAC selector to match the actual source
- Connect protective earth and tighten the documented input terminals
- Total every module load on the 5 VDC backplane rail
- Total every module load on the 24 VDC backplane rail
- Budget the isolated 24 VDC user output separately and keep it within 0.2 A
- Use the documented 3 A, 250 V input fuse
- Apply the temperature derating above 55°C
- Investigate power loss, auxiliary shutdown and processor restart as separate fault paths
- Powering an SLC 500 modular processor and local I/O chassis
- Supplying a limited isolated 24 VDC auxiliary load for compatible sensors
- Maintaining legacy SLC 500 machine and process-control racks