ABB Bailey IPFLD48 Power System Module

The ABB Bailey IPFLD48 delivers regulated power to field devices in distributed control systems. This module converts incoming voltage to a stable 48V DC output. It protects downstream equipment from overcurrent and short-circuit conditions.

Technical Specifications

Parameter	Specification
Model	IPFLD48
Category	Power System Module
Height	267 mm
Width	35 mm
Depth	185 mm
Weight	0.95 kg (2.09 lbs)
Input Voltage Range	85 to 264 V AC or 90 to 300 V DC
Output Voltage	48 V DC ±2%
Output Current	2.5 A continuous
Connector Type	1 x 5-pin screw terminal block
Components	1 power transformer, 1 rectifier board, 1 fuse holder, 1 LED indicator
Energy Storage	2200 µF aluminum electrolytic capacitor

Detailed Technical Description

The ABB Bailey IPFLD48 weighs approximately 0.95 kilograms for stable mounting. Its 267mm height fits standard Bailey rack enclosures without modification. This module measures only 35mm in width for efficient cabinet space usage. The 185mm depth leaves adequate room for front wiring access.

This power system module accepts universal input voltages from 85 to 264 V AC. It also operates on 90 to 300 V DC sources. The IPFLD48 produces a clean 48 V DC output with ±2% regulation. It delivers up to 2.5 amperes continuously for field devices. A single 5-pin screw terminal block handles all power connections.

The module contains four primary internal components. One power transformer steps down the incoming voltage safely. One rectifier board converts AC to smooth DC power. One fuse holder accepts a 5×20 mm fast-blow fuse. One green LED indicator shows output status immediately.

The ABB Bailey IPFLD48 includes 2200 microfarads of aluminum electrolytic capacitance. This energy storage filters output ripple to below 50 mV peak-to-peak. The capacitor holds charge for approximately 30 seconds after power-down. Therefore, you must wait one minute before servicing the module. Discharge the capacitor by shorting output terminals with a resistor.

Install this power module near the center of your DIN rail. Always install the recommended 2.5 A fast-blow fuse before operation. Connect the ground terminal to the cabinet earth bar first. Then connect the AC live and neutral wires securely. Verify the LED illuminates green after applying power.

The IPFLD48 operates efficiently from -20°C to +60°C ambient temperature. It requires no forced air cooling at loads below 1.5 A. This module achieves 82% typical efficiency at full rated load. You can mount it vertically or horizontally without performance loss.