A06B-6071-K203
May 13, 2026

A06B-6071-K203

General Description The A06B-6071-K203 is a connector kit manufactured by FANUC, designed for use with PSM (Power Supply Module) and related servo amplifier systems in CNC machine tools and industrial automation equipment. It includes mating connectors, pins, housings, and accessories to establish reliable electrical connections between the PSM, servo amplifiers, and control units. This kit ensures stable power transmission and signal integrity for FANUC α series and legacy drive systems.

Description

FANUC A06B-6071-K203 Connector Kit

1.

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2. Product Features

  • Type: Connector kit (power/signal interface)

  • Compatible Modules: FANUC PSM power supply modules, α series servo amplifiers (A06B-6071 series)

  • Connector Types: CX1A, CX3, CX4 connectors (matching A63L-0001-0456, A63L-0001-0460/3HKX/3HKY)

  • Material: High-temperature resistant plastic housing, gold-plated contact pins for conductivity and corrosion resistance

  • Design: Tapered shaft (TPR) and keyed shaft (Key) design for secure, precise fitting

  • Protection: IP20 rating, suitable for internal electrical cabinet use

  • Weight: Approx. 0.05 kg (0.11 lbs)

  • Status: Discontinued by FANUC; available as new old stock or original surplus

  • RoHS Compliance: Meets EU environmental standards

3. Application Scope

  • Equipment: FANUC CNC systems (Series 16i, 18i, 21i, α series), PSM power supply units, servo amplifiers, and I/O modules

  • Machines: CNC lathes, machining centers, milling machines, and automation production lines

  • Functions: Power connection for PSM to servo amplifiers, signal transmission for control and feedback circuits, system wiring and maintenance replacement

4. Kit Components

  • Connector housings (CX1A, CX3, CX4 types)

  • Male/female contact pins (pre-crimped)

  • Locking clips and mounting hardware

  • Cable strain relief accessories

  • Installation instructions (basic wiring guide)

5. Installation Instructions

  1. Power Off: Disconnect all system power before installation to avoid electric shock or component damage.

  2. Connector Preparation: Strip cable insulation to the specified length; crimp pins to conductors using a FANUC-certified crimp tool.

  3. Pin Insertion: Insert crimped pins into the connector housing according to the official FANUC pinout diagram; ensure pins click into place securely.

  4. Cable Routing: Route cables with proper strain relief; avoid sharp bends or tension to prevent pin detachment or insulation damage.

  5. Mating Connectors: Align connectors by key orientation; push firmly until the locking clip engages to ensure a secure connection.

  6. Inspection: Verify all pins are fully seated, connections are tight, and no exposed conductors exist before restoring power.

6. Wiring Requirements

  • Cable Specifications: Use FANUC-specified power/signal cables with matching gauge (AWG) for the connector pins.

  • Pin Assignment: Strictly follow FANUC’s official wiring diagram; do not swap pin positions or modify connections.

  • Shielding: For signal cables, connect shields to the designated ground pin or chassis ground to reduce electromagnetic interference.

  • Torque: Tighten connector mounting screws to the recommended torque (0.5–0.8 N·m) to avoid over-tightening or loosening.

7. Working Environment

  • Operating Temperature: -10°C to +60°C

  • Storage Temperature: -20°C to +70°C

  • Relative Humidity: ≤85% (non-condensing)

  • Environment: Avoid corrosive gases, oil mist, conductive dust, and direct sunlight; keep the electrical cabinet clean and dry.

8. Maintenance Instructions

  • Periodic Inspection: Every 3 months (power off), check connectors for looseness, corrosion, or pin bending; clean dust from connector surfaces with a dry soft cloth.

  • Replacement: Replace the connector kit immediately if pins are damaged, housings are cracked, or connections become unstable.

  • Prohibition of Modification: Do not modify connector pins or housings; use only original FANUC replacement parts to ensure compatibility and safety.

9. Safety Precautions

  • Qualified Personnel: Installation, wiring, and maintenance must be performed by qualified electrical technicians with knowledge of FANUC CNC systems.

  • No Hot Plugging: Never connect or disconnect connectors with power on; this may cause arcing, damage components, or result in electric shock.

  • Secure Connections: Ensure all connectors are fully locked and cables are properly routed to prevent accidental disconnection during operation.

  • Overload Prevention: Do not exceed the connector’s rated current to avoid overheating, melting, or fire hazards.


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