Product Description

The A16B-1212-0901 FANUC A16B12120901 New Original Power Supply Control Board is a rack-mounted power supply board designed for FANUC CNC control systems and industrial automation equipment. This board is used to provide stable power support inside the control rack, helping key system modules operate reliably during machine operation.

The A16B-1212-0901 is commonly associated with FANUC 16MB, 16TB, 18MC, 18TC and selected robot controller applications. It is normally installed in the main control rack near the CPU and I/O board, making it an important component for system power distribution and machine control stability.

For replacement work, the full part number A16B-1212-0901 and compact model code A16B12120901 should be checked carefully. The system series, rack position, input voltage, output requirements, connector layout and machine configuration should all match the original board before installation.

Key Product Data

Item	Details
Part Number	A16B-1212-0901
Compact Model Code	A16B12120901
Brand	FANUC
Product Type	Power Supply Board / Power Supply Unit
Series	A16B-1212 Series
Common System Use	FANUC CNC control systems
Common Compatible Controls	16MB, 16TB, 18MC, 18TC and selected robot controllers
Mounting Position	Main control rack, near CPU and I/O board
Common Input Reference	200V class / 200-240V class, depending on system configuration
Function	Provides power support for CNC control rack modules
Condition	New Original

Main Features

Designed for CNC Control Rack Power Support

The A16B-1212-0901 is used inside CNC control systems to support stable power delivery to key rack-mounted modules.

Suitable for System Repair and Replacement

This board is a practical replacement option when the original power supply board has failure symptoms such as unstable startup, power alarm, missing output, or control rack power issues.

Rack-Mounted Board Design

The board is designed for installation in the control rack, normally close to the CPU and I/O board, so the connector layout and installation position should be checked carefully before replacement.

Important for Machine Control Stability

A stable power supply board helps the CNC control system maintain reliable operation, reducing the risk of control faults caused by unstable power distribution.

Full Model Matching Required

Because FANUC boards may look similar across different series, the full model number A16B-1212-0901 should be matched instead of relying only on appearance.

Application Areas

CNC machine control systems
FANUC 16 / 18 series control racks
Robot controller maintenance
Machine tool electrical repair
CNC power supply replacement
Industrial automation equipment service
Control cabinet troubleshooting
Production line maintenance

Why Choose This Product

The A16B-1212-0901 is suitable for maintenance projects where the original CNC power supply board must be replaced with the same model. It helps restore power stability in the control rack and supports normal operation of connected control modules.

Before ordering or installation, confirm the machine model, CNC system series, rack location, connector position, input voltage, output voltage and board revision. These checks help reduce mismatch problems and make maintenance work more efficient.

FAQ

Q1: What type of board is A16B-1212-0901?
A1: It is a FANUC power supply board / power supply unit used in CNC control rack systems.

Q2: Is A16B12120901 the same as A16B-1212-0901?
A2: Yes. A16B12120901 is the compact writing format of A16B-1212-0901. The full printed model code should still be checked on the board label.

Q3: Where is this board installed?
A3: It is normally installed in the main CNC control rack, commonly near the CPU and I/O board.

Q4: What should be checked before replacing this board?
A4: Check the full part number, CNC control series, input voltage, output requirements, connector layout, rack position and board condition.

Q5: What problems may require replacing this board?
A5: Replacement may be considered when the machine has control rack power failure, unstable startup, missing power output, repeated power alarms, or visible board damage.

A16B-1212-0901 Fanuc A16B12120901 New Original control Board