GE A16B-2203-0370/13E Power Supply Module

The GE A16B-2203-0370/13E delivers stable DC power for CNC and servo systems. This unit converts AC input into multiple DC output voltages. You will find it inside many industrial machine tool cabinets. It supports reliable operation for Fanuc-compatible controls. Therefore, this module plays a critical role in automation cells.

This power supply measures 240 mm in height and 180 mm in width. Its depth reaches 165 mm for standard rack mounting. The unit weighs approximately 3.8 kilograms. It contains five major internal subassemblies for power regulation. One large transformer sits at the core of this design. Additionally, you get two main electrolytic capacitors for energy smoothing.

Key Technical Specifications

Parameter	Value
Manufacturer	GE Fanuc Automation
Model	A16B-2203-0370/13E
Product Type	Power Supply Module
Input Voltage	200-240 VAC (single phase)
Output Voltages	+24V, +15V, -15V, +5V
Total Output Power	150 W (maximum)
Energy Storage	≈ 4500 µF total capacitance
Number of Internal Parts	5 major subassemblies
Height	240 mm
Width	180 mm
Depth	165 mm
Weight	3.8 kg
Cooling Method	Natural convection
Operating Temperature	0°C to +50°C

Internal Architecture and Energy Storage

The GE A16B-2203-0370/13E stores substantial energy in its filter bank. Two large capacitors hold up to 4500 microfarads of combined capacitance. This storage allows the module to ride through brief AC line drops. The unit also includes a dedicated standby transformer for control logic. You get built-in overcurrent protection on each output rail. A green LED confirms normal operation of this power supply.

Installation and Connection Points

You mount this power supply onto a standard internal chassis plate. First, align the four mounting holes with your cabinet studs. Then, secure the unit using M4 screws with lock washers. Connect AC input wiring to the labeled L and N terminals. Use 14 AWG copper wire for this AC connection. For DC outputs, you will find a 50-pin ribbon cable header. This header distributes power to multiple downstream modules. Always connect the protective earth terminal first.

Performance and Thermal Management

This power supply operates without any internal fan. Natural convection keeps the GE A16B-2203-0370/13E within safe limits. You must leave 50 mm of free space above and below it. The unit achieves 75% typical efficiency at full load. It regulates output voltages within ±5% under steady conditions. For long life, do not exceed 120 W continuous draw. This practice reduces thermal stress on the capacitors.