The Allen-Bradley 1746-P2 is a dedicated rack mounting power supply module for the SLC 500 modular automation system. It provides reliable backplane and user power distribution, ensuring stable operation in industrial control environments. With wide input voltage support, robust isolation, and intelligent power management features, the 1746-P2 is a critical component for maintaining system stability and protecting sensitive control equipment.
Technical Specifications
Parameter
Value
Model Number
1746-P2
Manufacturer
Allen-Bradley (Rockwell Automation)
Module Type
SLC Rack Mounting Power Supply
Input Voltage Range
85–132V AC or 170–265V AC, 47–63Hz
Backplane Power Output
5A at 5V DC
User Power Output
0.96A at 24V DC
Electrical Isolation
1800V AC RMS for 1 second
Protection Features
15A overcurrent, built-in fuse (1746-F2)
Hold-Up Time
20ms at full load, 3000ms at no load
Overcurrent Response
Series A/B: full shutdown; Series C: CPU maintained, 24V user power disabled
Mounting Requirement
Leftmost position in 1746 chassis
Dimensions
15.2 × 10.2 × 15.2 cm (5.5 × 2.9 × 5.7 in)
Weight
0.7 kg (2.5 lbs)
Enclosure Type
Open-type, panel mount
Terminals
5 (AC line, DC power, ground)
Jumper Settings
100/120V AC or 200/240V AC
Operating Temperature
0–60°C
System
PLC (SLC 500)
Origin
USA
HS Code
8537101190
Condition
Brand New
Discontinued
June 30, 2016
Functional Highlights
Provides stable backplane and user power for SLC 500 systems.
Wide input voltage range supports global installations.
Intelligent hold-up time ensures temporary operation during power dips.
Overcurrent protection with series-specific response modes.
Compact design with flexible jumper settings for voltage selection.
Robust isolation protects sensitive components from disturbances.
