Main Technical Specifications

• Rated Output Power: 4.5 kW

• Rated Continuous Torque: 22 Nm

• Peak Torque: 66 Nm (30‑minute rating)

• Rated Speed: 4000 min⁻¹

• Maximum Speed: 4500 min⁻¹

• Rated Voltage: Three‑phase 400 V AC (HV series)

• Rated Current: 16 A

• Peak Current: 48 A

• Encoder: Built‑in a1000 incremental encoder, 1,000,000 counts/rev

• Shaft: Tapered shaft (TPR) with keyway

• Brake: 24 V DC electromagnetic brake

• Protection Class: IP65 (dust‑tight, splash‑proof)

• Insulation Class: F (155 °C)

• Cooling: Natural convection (self‑cooled)

• Approximate Weight: 19 kg

Product Features

• High‑Voltage 400V Design: Reduces current, enables longer cable runs, lower power loss, no transformer needed.

• Tapered Shaft with Keyway: Ensures secure, precise connection and optimal power transfer.

• Integrated 24V Brake: Provides reliable holding and stopping, enhancing safety in vertical or suspended axes.

• High Torque Density: 22 Nm continuous torque in compact size, suitable for heavy‑duty feed axes.

• Fast Dynamic Response: Low rotor inertia for rapid acceleration/deceleration in high‑speed contouring.

• Sealed IP65 Construction: Resists dust, coolant, and oil mist in harsh workshop environments.

• High‑Resolution Encoder: a1000 encoder delivers accurate position and speed feedback for precise motion control.

• Compatibility: Matches FANUC 0i‑D, 30i/31i‑B series CNC and αi‑B series HV servo amplifiers.

Application Scope

• CNC Machine Tools: 400V high‑speed machining centers, vertical lathes, heavy‑duty feed axes requiring brake.

• Precision Positioning: Gantry systems, linear motion platforms, automation axes with vertical or suspended loads.

• Industrial Robots: Heavy‑payload robot joints, auxiliary axes in 400V automation cells with holding requirements.

• General Automation: Packaging machinery, material handling, special‑purpose machines with 400V supply and brake needs.

• Harsh Environments: Machine tools with heavy coolant, dusty lines requiring sealed, braked motors.

Installation Instructions

• Mount on a rigid, flat, vibration‑free base to avoid resonance and misalignment.

• Keep the mounting surface clean, flat, and free of debris.

• Align the tapered shaft with the driven load within tolerance; use proper coupling for minor misalignment.

• Tighten mounting bolts evenly to specified torque to prevent flange distortion.

• Maintain clearance around the motor for airflow, heat dissipation, and maintenance; do not block cooling fins.

• Ensure the brake wiring is correctly connected for proper holding/releasing operation.

Wiring Requirements

• Perform all wiring with power disconnected and locked out; 400V poses shock risk.

• Use FANUC‑approved 400V power cables, encoder cables, brake cables, and ground cables.

• Connect three‑phase (U, V, W) and protective earth (PE) securely; proper grounding is mandatory.

• Connect the 24V DC brake wires to the designated terminals, observing polarity.

• Route encoder and brake cables separately from power cables to avoid EMI; maintain minimum separation.

• Check all connections for tightness and insulation; measure winding‑to‑frame insulation (500 VDC, ≥100 MΩ acceptable).

• Follow wiring diagrams in FANUC HV servo amplifier/motor manual.

Working Environment

• Operating Temperature: 0 °C to +40 °C

• Storage Temperature: −20 °C to +60 °C (non‑condensing)

• Humidity: 5 %–95 % RH (non‑condensing)

• Altitude: ≤1000 m (derate output above 1000 m)

• Atmosphere: No corrosive gases, explosive dust, or excessive oil mist

• Vibration: ≤0.5 g (continuous); ≤1 g (intermittent)

Operation Guidelines

• Operate within rated voltage, current, torque, and speed limits; avoid continuous overload.

• Conduct no‑load test after installation to check noise, vibration, temperature rise, and brake operation.

• Monitor housing temperature; surface temperature ≤100 °C.

• Avoid excessive start‑stop cycles to prevent overheating and mechanical wear.

• Set servo amplifier parameters correctly for motor model A06B‑0266‑B500, 400V HV operation, and brake control.

• Ensure the brake is released during normal operation and applied only when stopped or power is cut.

Maintenance Instructions

• Regularly power off and clean dust, oil, and coolant from the motor housing.

• Periodically check mounting bolts, coupling tightness, encoder connectors, and brake wiring.

• Listen for abnormal bearing noise and check vibration levels.

• Inspect the brake for wear and proper operation; adjust or replace if necessary.

• Do not disassemble the motor or encoder privately; this will affect precision and void the warranty.

• Check encoder signal quality via CNC diagnostics regularly.

• Replace bearing grease or damaged bearings in time when abnormal noise appears.

Safety Precautions

• Only qualified personnel trained in 400V HV systems may install, wire, maintain, or repair.

• Disconnect/lock out all power before work; wait 5 minutes for capacitors to discharge.

• Never touch rotating parts, live components, or the brake mechanism during operation; fatal shock risk exists.

• Ensure proper grounding to prevent shock and reduce EMI.

• Do not modify or disassemble the motor, encoder, or brake; voids warranty and may cause injury.

• Keep motor and cables away from flammables and heat sources.

• Use the brake only for holding, not for dynamic braking or emergency stopping unless specified.