A02B-0120-K324 | FANUC CX2A/CX2B 3-Pin Power Connector Kit



Introduction:
The FANUC A02B-0120-K324 is a CX2A/CX2B power connector kit with 3-pin female contacts, a passive spare-part for Series 16/18 CNC systems.
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The FANUC A02B-0120-K324 is a Legacy control generation for industrial control and automation applications.
What Is the FANUC A02B-0120-K324?
The FANUC A02B-0120-K324 is a CX2A/CX2B power connector kit with 3-pin female contacts, intended for FANUC Series 16/18 CNC systems. As a passive component, it carries no independent voltage or power rating and instead follows the host CNC for all electrical and thermal limits.
This part is a legacy spare-part connector kit for a control generation that remains in service across many oil & gas machining and production assets. Because the connector is passive, its reliability is tied directly to the host cabinet environment and to correct mating practice rather than to any internal electronics.

Key Specifications at a Glance
- Brand: FANUC
- Model: unit
- Series: FANUC CNC accessory
- Configuration: CX2A/CX2B power connector kit with 3-pin female contacts
- Supply voltage: Not applicable (passive component; powered by host system)
- Power consumption: Not applicable (passive component; no independent power consumption)
- Operating temperature: Not applicable (passive component; rating follows host CNC)
- Storage temperature: Not applicable (passive component; rating follows host CNC)
- Relative humidity: 75%RH or less normal; up to 95%RH for short periods (≤1 month), no condensation
- Dimensions (H×W×D): Not applicable (passive power connector kit; no manufacturer-published outline dimensions)
Why the Operating Environment Matters More Than the Connector Itself
Because This unit has no operating temperature rating of its own, its thermal performance is inherited from the host CNC cabinet. Engineers should therefore treat cabinet temperature, airflow and humidity as the real specification for this part. The published humidity envelope is 75%RH or less under normal conditions, with up to 95%RH permitted for short periods of no more than one month and without condensation.
In oil & gas plants, that humidity window is often the first constraint to check. A connector that sits in a cabinet with condensing moisture can suffer contact corrosion even though the kit itself is passive. The practical advice is to confirm that the enclosure climate stays inside the stated humidity band before ordering a replacement kit.

How Does the Passive Design Affect Input Voltage and Power Supply?
This unit does not define an input voltage or a power supply requirement. It is a cable-side connector kit that is energized by the host system, so all voltage and current values come from the CNC power architecture, not from this part. This is normal for a passive accessory and simplifies spares planning: the kit does not add a load or a separate supply to the cabinet.
For maintenance teams, that means the connector should be selected on mechanical fit and contact count rather than on electrical ratings. The 3-pin female contact configuration is the defining feature, and it must match the mating CX2A/CX2B interface on the host CNC.
Where This Connector Kit Fits in Series 16/18 CNC Systems
The kit is intended for FANUC Series 16/18 CNC controls, which belong to a legacy control generation still found in field equipment. Typical use cases include restoring a damaged power connection during a scheduled outage, keeping a critical spare on the shelf for mission-critical machining assets, and supporting legacy line upgrades where the original connector has been disturbed.
Because the part is a passive connector, it does not introduce communication ports or protocol behavior of its own. Integration is therefore mechanical and electrical only, and the surrounding cabinet wiring remains the responsibility of the system integrator.
Installation and Handling Guidance
Installation should follow the host CNC maintenance manual and the cabinet wiring diagram. The connector kit is supplied with 3-pin female contacts, so the mating side and contact insertion depth should be verified before the cabinet is re-energized. Keep the contacts clean and dry during handling, and avoid strain on the cable side after mating.
Because the kit has no independent thermal rating, do not use it to justify a change in cabinet temperature limits. The host CNC rating remains the governing value, and any environmental qualification should be performed at the system level.
Maintenance and Reliability for Legacy Controls
For a passive connector, reliability work centers on inspection rather than on replacement intervals. Periodic checks for contact discoloration, loose mating and moisture ingress are appropriate, and any sign of condensation should trigger a cabinet climate review. The humidity limits in the source data give a clear benchmark for that review.
Spare-part strategy also matters. Keeping a connector kit on hand reduces the risk of extended downtime when a legacy control needs a power connection restored. PetroPartsOnline can advise on the correct kit for your application's requirements.
Frequently Asked Questions
What is the FANUC unit used for?
The FANUC unit is a CX2A/CX2B power connector kit with 3-pin female contacts for FANUC Series 16/18 CNC systems. It is a passive spare part and does not include communication ports or an independent power supply.
Does This unit have its own operating temperature rating?
No. The FANUC unit is a passive component, so its operating temperature rating follows the host CNC. Cabinet thermal limits should therefore be taken from the CNC documentation rather than from the connector kit.
What humidity range applies to this connector kit?
The published environmental condition is 75%RH or less under normal operation, with up to 95%RH allowed for short periods of no more than one month and without condensation. These values apply to the host system environment in which the FANUC unit is installed.
Can I use this kit as a direct replacement in a Series 16/18 CNC?
The kit is identified as a CX2A/CX2B power connector kit for FANUC Series 16/18 CNC systems. Confirm the mating interface and contact configuration against your cabinet wiring before ordering, and contact PetroPartsOnline for parts suited to your application's requirements.
Is This unit a legacy part?
Yes. The source data describes it as a legacy spare-part power connector kit for FANUC Series 16/18 CNC, which is a legacy control generation. Please verify current lifecycle status and availability with PetroPartsOnline before ordering.
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This part is a legacy spare-part connector kit for a control generation that remains in service across many oil & gas machining and production assets. Because the connector is passive, its reliability is tied directly to the host cabinet environment and to correct mating practice rather than to any internal electronics. Key Specifications at a Glance Brand: FANUC Model: unit Series: FANUC CNC accessory Configuration: CX2A/CX2B power connector kit with 3-pin female contacts Supply voltage: Not applicable (passive component; powered by host system) Power consumption: Not applicable (passive component; no independent power consumption) Operating temperature: Not applicable (passive component; rating follows host CNC) Storage temperature: Not applicable (passive component; rating follows host CNC) Relative humidity: 75%RH or less normal; up to 95%RH for short periods (≤1 month), no condensation Dimensions (H×W×D): Not applicable (passive power connector kit; no manufacturer-published outline dimensions) Why the Operating Environment Matters More Than the Connector Itself Because This unit has no operating temperature rating of its own, its thermal performance is inherited from the host CNC cabinet. Engineers should therefore treat cabinet temperature, airflow and humidity as the real specification for this part. The published humidity envelope is 75%RH or less under normal conditions, with up to 95%RH permitted for short periods of no more than one month and without condensation. In oil & gas plants, that humidity window is often the first constraint to check. A connector that sits in a cabinet with condensing moisture can suffer contact corrosion even though the kit itself is passive. The practical advice is to confirm that the enclosure climate stays inside the stated humidity band before ordering a replacement kit. How Does the Passive Design Affect Input Voltage and Power Supply? This unit does not define an input voltage or a power supply requirement. It is a cable-side connector kit that is energized by the host system, so all voltage and current values come from the CNC power architecture, not from this part. This is normal for a passive accessory and simplifies spares planning: the kit does not add a load or a separate supply to the cabinet. For maintenance teams, that means the connector should be selected on mechanical fit and contact count rather than on electrical ratings. The 3-pin female contact configuration is the defining feature, and it must match the mating CX2A/CX2B interface on the host CNC. Where This Connector Kit Fits in Series 16/18 CNC Systems The kit is intended for FANUC Series 16/18 CNC controls, which belong to a legacy control generation still found in field equipment. Typical use cases include restoring a damaged power connection during a scheduled outage, keeping a critical spare on the shelf for mission-critical machining assets, and supporting legacy line upgrades where the original connector has been disturbed. Because the part is a passive connector, it does not introduce communication ports or protocol behavior of its own. Integration is therefore mechanical and electrical only, and the surrounding cabinet wiring remains the responsibility of the system integrator. Installation and Handling Guidance Installation should follow the host CNC maintenance manual and the cabinet wiring diagram. The connector kit is supplied with 3-pin female contacts, so the mating side and contact insertion depth should be verified before the cabinet is re-energized. Keep the contacts clean and dry during handling, and avoid strain on the cable side after mating. Because the kit has no independent thermal rating, do not use it to justify a change in cabinet temperature limits. The host CNC rating remains the governing value, and any environmental qualification should be performed at the system level. Maintenance and Reliability for Legacy Controls For a passive connector, reliability work centers on inspection rather than on replacement intervals. Periodic checks for contact discoloration, loose mating and moisture ingress are appropriate, and any sign of condensation should trigger a cabinet climate review. The humidity limits in the source data give a clear benchmark for that review. Spare-part strategy also matters. Keeping a connector kit on hand reduces the risk of extended downtime when a legacy control needs a power connection restored. PetroPartsOnline can advise on the correct kit for your application's requirements. Frequently Asked Questions What is the FANUC unit used for? The FANUC unit is a CX2A/CX2B power connector kit with 3-pin female contacts for FANUC Series 16/18 CNC systems. It is a passive spare part and does not include communication ports or an independent power supply. Does This unit have its own operating temperature rating? No. The FANUC unit is a passive component, so its operating temperature rating follows the host CNC. Cabinet thermal limits should therefore be taken from the CNC documentation rather than from the connector kit. What humidity range applies to this connector kit? The published environmental condition is 75%RH or less under normal operation, with up to 95%RH allowed for short periods of no more than one month and without condensation. These values apply to the host system environment in which the FANUC unit is installed. Can I use this kit as a direct replacement in a Series 16/18 CNC? The kit is identified as a CX2A/CX2B power connector kit for FANUC Series 16/18 CNC systems. Confirm the mating interface and contact configuration against your cabinet wiring before ordering, and contact PetroPartsOnline for parts suited to your application's requirements. Is This unit a legacy part? Yes. The source data describes it as a legacy spare-part power connector kit for FANUC Series 16/18 CNC, which is a legacy control generation. Please verify current lifecycle status and availability with PetroPartsOnline before ordering."}}]}]}
