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- P0927AR
- Power Supply to Baseplate Cable
- USA
- 2.44 meters
- 3 kg
- Xiamen, China
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Product Overview
The Foxboro P0927AR is an I/A Series AC input power cable used to connect the FPS400-24 power supply to a factory mains input terminal block. With a cable length of 2.44 meters (8 feet), it accommodates installations where the power supply and the designated AC input terminal block are separated by a longer wiring route within the control cabinet. The P0927AR is associated with the 120/240 V AC input connection for the FPS400-24 power supply. <Cite refs={[“turn621808search3″,”turn621808search4”]}/>
In a distributed control system cabinet, power wiring must follow the intended electrical layout while remaining accessible for inspection and replacement. This cable is useful when the power supply is positioned away from the mains input terminal block and a shorter cable would not reach without creating an unsuitable routing arrangement.
The product title refers to a power supply-to-baseplate connection, but the P0927AR reference is also identified in I/A Series documentation as an AC input cable for the FPS400-24 supply. That distinction matters when ordering a replacement: the cable’s actual connection points should be checked against the installed power supply and terminal-block arrangement rather than inferred from the title alone.
The P0927AR is a passive power cable assembly. It does not regulate voltage, convert AC power to DC, or distribute control signals. Those functions belong to the connected power supply and the associated electrical equipment. Its purpose is to maintain the specified electrical path between the designated input connection and the power supply.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Foxboro |
| Model | P0927AR |
| Product Family | I/A Series |
| Product Type | AC Input Power Cable |
| Cable Length | 2.44 meters |
| Associated Power Supply | FPS400-24 |
| Input Supply Application | 120/240 V AC |
| Connection Application | Power supply to factory mains input terminal block |
| Operating Function | AC power transmission |
| Shipping Weight | 3 kg |
Product Features
- AC power connection: Connects the designated mains input terminal block to the compatible FPS400-24 power supply arrangement.
- 8-foot cable length: Accommodates longer routing between the intended connection points.
- Power-supply-specific application: Supports the corresponding I/A Series power connection when the complete configuration is verified.
- Passive cable assembly: Carries electrical power without independent signal processing or voltage regulation.
- Maintenance replacement: Allows a matching cable to be replaced while preserving the existing cabinet wiring layout.
- Defined connection purpose: Helps distinguish the AC input cable from separate DC output cables used between power supplies and baseplates.
Working Principle
The P0927AR establishes the electrical connection between the designated AC input terminal block and the compatible FPS400-24 power supply. When installed in the intended circuit, its conductors carry the incoming AC supply to the power supply input.
A simplified connection is:
120/240 V AC Supply → Factory Mains Input Terminal Block → P0927AR → FPS400-24 Power Supply
The FPS400-24 then performs the power conversion required by the connected control-system equipment. The cable itself does not convert AC to DC or provide independent protection against overcurrent.
The distinction between input and output wiring is important during maintenance. The AC input cable connects the supply-side interface, whereas separate output cables carry the power supply’s output toward the baseplate. Confusing these cable functions can result in an incorrect connection or an incompatible replacement.
If the power supply fails to start, inspection should include the incoming supply, terminal-block connections, cable continuity, connector condition, and relevant circuit protection. The cable should also be checked for damaged insulation, excessive bending, and signs of overheating before the power circuit is returned to service.
Role in the Foxboro I/A Series Power Architecture
The P0927AR belongs to the AC input side of the FPS400-24 power arrangement. It should be distinguished from the separate DC output cables that connect the power supply to compatible baseplates. Correct identification of these two cable groups is essential when maintaining an existing cabinet.
AC Supply → Input Terminal Block → P0927AR → FPS400-24 Power Supply → DC Output Cable → Compatible Baseplate
| System Element | Function |
|---|---|
| P0927AR | Connects the designated AC input terminal block to the power supply |
| AC Input Terminal Block | Provides the connection point for incoming AC power |
| FPS400-24 Power Supply | Converts the incoming supply into the required output power |
| DC Power Supply Cable | Carries output power from the supply to a compatible baseplate |
| Modular Baseplate | Distributes power to installed control-system modules |
| Circuit Protection | Provides the required protection for the power circuit |
| Control-System Modules | Perform the assigned process I/O and control functions |
Industrial Applications
| Application | Practical Use |
|---|---|
| Foxboro I/A Series Control Cabinets | Connecting the AC input terminal block to the designated power supply |
| FPS400-24 Installations | Maintaining the incoming power connection |
| Process Automation Plants | Supporting power wiring in distributed control system cabinets |
| Chemical Processing Facilities | Maintaining power connections for control-system equipment |
| Oil and Gas Control Rooms | Supporting the electrical supply arrangement of compatible DCS equipment |
| Power Generation Facilities | Maintaining cabinet power wiring during scheduled service |
| Control Cabinet Refurbishment | Replacing a matching cable during panel maintenance |
| Industrial System Troubleshooting | Checking the incoming power path when the associated supply fails to start |
Installation and Maintenance
- Verify the complete model reference: Confirm P0927AR and check that the cable matches the installed power supply and input terminal block.
- Identify the cable function: Distinguish the AC input cable from the separate DC output cables used to connect the supply to baseplates.
- Check the power supply configuration: Confirm the applicable FPS400-24 input arrangement and its wiring requirements.
- Isolate the incoming supply: Follow the facility’s lockout and electrical safety procedures before disconnecting the cable.
- Inspect the existing cable: Look for damaged insulation, crushed sections, exposed conductors, and signs of overheating.
- Examine the connectors: Check contact condition, connector housings, and locking features before fitting the replacement.
- Confirm the terminal assignments: Verify line, neutral or return, grounding, and shield connections against the applicable wiring diagram.
- Route the cable correctly: Avoid sharp edges, excessive bending, hot surfaces, and mechanical interference within the cabinet.
- Connect the assembly: Fit the cable to the designated interfaces without forcing the connectors or modifying the wiring arrangement.
- Check protective grounding: Ensure the grounding conductor is connected correctly before energizing the power supply.
- Test the power supply: Restore power according to the commissioning procedure and verify the supply’s operating indicators and output condition.
- Document the replacement: Record the cable reference, connected equipment, inspection findings, and commissioning results.
Compatible System Components
| Component | Function |
|---|---|
| Foxboro P0927AR | AC input terminal-block cable |
| Foxboro FPS400-24 | Supplies power to compatible control-system equipment |
| Foxboro P0926DZ | AC/DC input terminal block for the applicable supply configuration |
| Foxboro RH927AQ | Shorter AC input terminal-block cable option |
| Foxboro RH926CM | AC input terminal-block cable for the applicable FPS400-24 arrangement |
| Foxboro RH923DA | Shorter AC input terminal-block cable option |
| Foxboro RH931NC | Power supply-to-baseplate cable for compatible modular baseplates |
| Foxboro RH926KP | Power supply-to-baseplate cable for compatible modular baseplates |
| Foxboro Modular Baseplate | Receives output power from the associated supply arrangement |
| Protective Grounding Conductor | Provides the required protective grounding path |
Recommended Related Models
| Model | Product Type | Typical Application |
|---|---|---|
| Foxboro RH927AQ | 72-Inch AC Input Terminal-Block Cable | AC input connection with a 1.83 m cable length |
| Foxboro RH926CM | 33-Inch AC Input Terminal-Block Cable | Shorter AC input connection for a compatible power supply |
| Foxboro RH923DA | 15-Inch AC Input Terminal-Block Cable | Short-distance AC input wiring |
| Foxboro RH923DH | DC Input Terminal-Block Cable | Input wiring for the applicable 24 V DC supply configuration |
| Foxboro RH931NC | 8-Foot Power Supply-to-Baseplate Cable | Connecting compatible power supply output to a modular baseplate |
| Foxboro RH926KP | 6-Foot Power Supply-to-Baseplate Cable | Shorter DC output connection to a compatible baseplate |
Key Advantages
- Provides a defined AC input connection for compatible Foxboro power supply installations.
- Offers a 2.44-meter cable length for cabinet layouts requiring additional routing distance.
- Supports replacement of the matching cable without redesigning the power circuit.
- Helps maintain the intended wiring arrangement between the input terminal block and power supply.
Technical FAQs
Is the P0927AR an AC input cable or a baseplate power cable?
The P0927AR is identified as an AC input terminal-block cable for the applicable FPS400-24 power supply arrangement. It should not be confused with the DC output cables that connect the supply to modular baseplates.
Which power supply configuration is associated with the P0927AR?
It is associated with the FPS400-24 configuration using the P0922YU supply reference for 120/240 V AC or 125 V DC input. Confirm the installed configuration and wiring diagram before replacement.
How does the P0927AR differ from the RH927AQ?
Both are AC input terminal-block cable options, but the P0927AR has a specified length of 2.44 m, while the RH927AQ is 1.83 m. The choice depends on the required routing distance and the intended connection arrangement.
Can the P0927AR replace a power supply-to-baseplate cable?
No, not simply because the cable length is suitable. The two cable types serve different electrical connections. A baseplate cable must match the power supply output connector, baseplate interface, and required wiring arrangement.