GE A12B-1212-0110-01 Power Supply

The GE A12B-1212-0110-01 provides regulated DC power for CNC control components. This power supply module measures 250 mm in height and 100 mm in width. It has a depth of 160 mm, so it fits standard CNC cabinets easily. The unit weighs 3.8 kg, making mounting secure and stable.

Input Specifications and Energy Storage

You must supply 200V AC to 240V AC single-phase power to the input terminals. The GE A12B-1212-0110-01 accepts a voltage tolerance of ±10 percent from nominal values. It operates on 50 Hz or 60 Hz line frequency without any adjustment. The unit stores 2200 µF of capacitance across its primary DC bus. This storage rides through input interruptions lasting up to 25 milliseconds.

Output Ratings and Voltage Rails

The GE A12B-1212-0110-01 delivers multiple DC voltage rails for CNC modules. It provides +5V DC at 10 amps for logic circuits and processor boards. The module supplies +24V DC at 5 amps for I/O and sensor power. A dedicated +12V DC rail delivers 2 amps for auxiliary devices. The unit also generates a -12V DC rail at 1 amp for analog circuits.

Protection Features and Monitoring

The power supply includes overvoltage protection on every output rail. The GE A12B-1212-0110-01 features short-circuit protection with automatic current limiting. A thermal sensor shuts down the unit if internal temperatures exceed safe limits. LED indicators show the status of each DC output rail clearly. A relay contact provides remote monitoring of power supply health.

Internal Architecture and Cooling

The module contains three separate circuit boards inside its metal housing. The GE A12B-1212-0110-01 uses natural convection cooling without any internal fan. A perforated metal cover allows heat to escape from components easily. The module stores 330 µF of secondary capacitance for output filtering. It contains no battery, so no periodic replacement is necessary.

Below is a complete summary of its technical specifications.

Parameter	Value
Dimensions (H x W x D)	250 mm x 100 mm x 160 mm
Weight	3.8 kg
Input Voltage	200-240V AC single-phase ±10%
Input Frequency	50/60 Hz
Primary Capacitance	2200 µF
Hold-up Time	25 ms
+5V DC Output	10 A
+24V DC Output	5 A
+12V DC Output	2 A
-12V DC Output	1 A
Secondary Capacitance	330 µF
Overvoltage Protection	Yes (all outputs)
Short-circuit Protection	Current limiting
Thermal Protection	Shutdown
Cooling Method	Natural convection
Number of PC Boards	3
Status LEDs	Per output rail
Monitoring Output	Relay contact

The GE A12B-1212-0110-01 replaces older power supplies in GE CNC systems. You do not need any adapters or additional mounting hardware. This unit also provides clean DC power for sensitive analog circuits. Consequently, it ensures reliable operation for machining center controls.