FANUC A02B-0166-B501 Servo Drive Controller
FANUC A02B-0166-B501 is a servo drive controller built for CNC machinery. This unit runs a 5A current rating. It provides high accuracy across two control channels. In addition, it weighs 1.59 kg. Therefore, it fits systems that need stable axis control and long-term reliability.
Technical Data
- Brand: FANUC
- Model: A02B-0166-B501
- Series: A02B
- Product Type: Servo Drive Controller
- Purpose: CNC
- Current Rating: 5A
- Accuracy: High
- Control Channels: 2
- Weight: 1.59 kg / 3.5 lbs
- Environment: No corrosive gases
- Relative Humidity: 95% or less, non-condensing
- Operating Temperature: 0°C to 55°C
- Storage Temperature: -20°C to 60°C
Oiltech Controls Review
- This unit targets CNC axis control, not general-purpose motion tasks.
- Because the 5A rating is modest, it suits compact servo loops with stable loads.
- Two control channels reduce wiring complexity in multi-axis cabinets.
- High accuracy helps hold tight position and speed commands.
- Meanwhile, the 0°C to 55°C range fits most climate-controlled machine shops.
- Since the humidity limit is 95% non-condensing, internal electronics stay protected.
- Moreover, storage from -20°C to 60°C supports long-term spare parts holding.
Oiltech Controls Insight
- Before ordering this drive, check your CNC controller model.
- Confirm the connector layout matches your existing harness.
- Verify 5A is enough for your motor and load cycle.
- Therefore, two channels must match your axis count and feedback type.
- Keep the cabinet free of corrosive gases and condensation.
- If your machine uses an older revision, ask for a photo check.
Suitable Equipment
- FANUC CNC machining centers
- CNC lathes and turning centers
- CNC milling machines
- Multi-axis CNC control cabinets
- Legacy FANUC A02B control systems
- Obsolete CNC servo drive replacements
Warranty, Lead Time, and Shipping
- 12-month warranty on this unit.
- 24-28 hour dispatch after order confirmation.
- Shipping by FedEx, UPS, and DHL.
- Tracking number sent after dispatch.
- Packing follows industrial safety standards.
- Express options support urgent CNC repairs.
Professional FAQ
Q: How do I know if A02B-0166-B501 fits my CNC machine?
A: Match your existing part number, connector type, and axis count. Also check the 5A rating against your motor load.
Q: Is this controller a good choice for older FANUC systems?
A: Yes, it often suits legacy A02B systems. However, confirm the revision and wiring before purchase.
Q: What should I check before replacing a servo drive controller?
A: Inspect alarm history, feedback cables, motor condition, and cabinet temperature. These factors affect the replacement result.
Q: Can I use this unit in a humid workshop?
A: Only if humidity stays at 95% or less and no condensation forms. Corrosive gases must not be present.
Q: Why buy a tested surplus unit instead of waiting for new stock?
A: Tested surplus shortens downtime, cuts cost, and supports obsolete CNC lines when new parts are hard to find.
Why Buy From Oiltech Controls?
- 15+ years in industrial automation spare parts.
- Worldwide shipping support for urgent breakdowns.
- Tested surplus and refurbished options for hard-to-find parts.
- 12-month warranty for confident buying.
- Function checks before dispatch to reduce risk.
- Help for obsolete control systems and legacy CNC platforms.
Contact us for inquiries: info@oiltechcontrols.com or +86 158 8020 0923.
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