FANUC A03B-0819-C152 Power Supply Unit - Technical Specifications
General Specifications
Model: A03B-0819-C152

Type: Power Supply Unit (PSU) for FANUC CNC Systems

Compatibility: FANUC 0i/16i/18i/21i Series CNC Systems

Input Voltage: 200-240V AC (3-phase, 50/60Hz)

Output Voltage: +24V DC (Control Power), +5V DC (Logic Power)

Mounting: Rack-mounted (FANUC CNC Cabinet)

Key Parameters
1. Electrical Specifications
Input Power:

Voltage: 200-240V AC (±10%, 3-phase + Ground)

Frequency: 50/60Hz

Current: ~5A (at 200V AC)

Output Power:

+24V DC: ~6A (144W max, for I/O & drives)

+5V DC: ~10A (50W max, for logic circuits)

Efficiency: ≥85% (typical)

Protection:

Overvoltage (OVP)

Overcurrent (OCP)

Short-Circuit (SCP)

Thermal Shutdown

2. Environmental Ratings
Operating Temperature: 0°C to 55°C

Storage Temperature: -20°C to 75°C

Humidity: ≤90% RH (non-condensing)

Cooling Method: Forced air (fan-cooled)

3. Mechanical Specifications
Dimensions: ~300mm × 150mm × 100mm (W×H×D, approximate)

Weight: ~3.5 kg

Connector Type: Screw terminals (for AC input & DC output)

4. Safety & Certifications
Insulation Class: Class I (grounded chassis)

EMC Compliance: EN 61000-6-4 (Industrial Emissions)

Safety Standards: UL, CE, cULus

Applications
Primary power supply for FANUC CNC control units

Provides stable power to I/O modules, servo drives, and HMI

Used in machining centers, lathes, and industrial robots