1. General Information

• Model: A06B-6140-H037

• Type: αiPS-37 (Alpha i Power Supply)

• Manufacturer: FANUC

• Application: High‑power main DC power supply for αi servo/spindle amplifiers in CNC systems

2. Electrical Specifications

• Input: 3‑phase AC 200–240V, 153A @200V, 50/60Hz

• Output: DC 283–339V

• Rated power: 43kW

• Peak power: 84kW

• Control power: Built‑in 24VDC supply for servo logic

• Regeneration: Built‑in regenerative circuit

3. Environmental & Mechanical Data

• Operating temperature: 0°C ~ 55°C, non‑condensing

• Storage temperature: -20°C ~ 70°C

• Humidity: 5%–95% RH, non‑condensing

• Protection grade: IP20

• Installation: Vertical cabinet mounting

• Dimensions (H×W×D): 380 × 150 × 272 mm

• Weight: Approx 10 kg

4. Main Features

• High‑efficiency power conversion for high‑load αi drives

• Regenerative energy feedback to reduce power consumption

• Comprehensive protection: overcurrent, overvoltage, undervoltage, overheat, short circuit

• LED status indicators for power, alarm, and regeneration

• Forced‑air cooling with fault detection

• Compact, modular design for easy integration

5. Compatibility

• CNC systems: FANUC 0i‑F, 16i/18i/21i‑B, 30i/31i/32i‑B series

• Servo amplifiers: αiSV series

• Spindle amplifiers: αiSP series

• Motor series: αi‑B servo and spindle motors

6. Common Alarm Codes

• PS0001: Input voltage abnormality

• PS0002: DC bus overvoltage

• PS0003: DC bus undervoltage

• PS0004: Overcurrent

• PS0005: Overheat

• PS0006: Regeneration fault

• PS0007: Cooling fan abnormality

7. Maintenance

• Clean air filter and dust monthly

• Check cooling fan operation regularly

• Inspect power terminals and cables quarterly

• Test insulation and regeneration function annually

8. Safety Precautions

• Only qualified technicians may perform installation and maintenance

• High residual voltage remains after power‑off; wait ≥10 minutes before touching terminals

• Keep ventilation paths unobstructed

• Use genuine FANUC replacement parts

• Ensure reliable equipment grounding