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Foxboro P0926KN I/A Series FPM Power Cable

The Foxboro P0926KN, also cataloged as the P0926KN Power Cable, operates as a dedicated hardware component for electrical power distribution within Foxboro I/A Series platforms. Configured as a 3-pin to 3-pin Fieldbus Power Module (FPM) cable assembly measuring 60 inches (152 cm), the hardware provides direct physical/electrical execution to route internal subsystem power across modular backplane segments.

Hardware Specifications

Parameter Specification
Model P0926KN
Brand Foxboro
Origin USA
Weight 0.14 kg (0.30 lbs)
Dimensions Length: 152 cm (60 in)
Operating Temp -20 to +70 deg C
Power Consumption Passive (determined by conductor current load)
Cable Type FPM Power Cable
Connector Configuration 3-pin to 3-pin
Subsystem Compatibility Foxboro I/A Series FPM / Baseplate architecture
Relative Humidity Up to 95% RH (non-condensing)
Certifications CE, UL, CSA, IEC 61131-2

Process Control & DCS Power Properties

The cable assembly incorporates three independent insulated copper conductors optimized for low-impedance DC power transmission. This wiring architecture supports direct integration with Foxboro 4-20 mA HART loop protocol environments by delivering steady backbone voltage lines to baseplate modules while maintaining high-frequency noise attenuation. The physical shielding layer preserves structural channel-to-channel isolation parameters, blocking transient voltage spikes and cross-talk from migrating along parallel data communication paths.

Frequently Asked Questions

Q: Can this power cable be disconnected while the fieldbus system is fully energized? A: No, passive power cables must not be uncoupled under active load. Disconnecting the 3-pin connector while current is flowing can induce localized electrical arcing, disrupt redundant power supply rails, and cause data state degradation across adjacent hot-swappable modules.

Q: How does the cable construction resist harsh industrial ambient environments? A: The cable insulation jacket is built to operate within temperature thresholds of -20 to +70 deg C. The polymer compound jacket resists physical deformation under localized thermal loading, mechanical bending stress, and chemical outgassing in standard control cabinet environments.

Q: What is the primary function of the third pin in the connector assembly? A: The 3-pin layout assigns dedicated paths for positive and negative DC voltage feeds alongside a specific low-impedance chassis grounding route. This grounding path ensures continuous fault-current draining back to the primary enclosure panel earth grid.

Field Installation Guidelines

  • Connector Alignment and Insertion: Align the internal keyways of the 3-pin female connector with the matching male pins on the FPM or baseplate receptacle. Press linearly into position until the mechanical locking mechanism clicks completely into engagement.
  • Bend Radius Constraints: Maintain a permanent physical bend radius of at least 50 mm along the 60-inch cable run. Do not force sharp 90-degree creases near the strain-relief boots to avoid internal wire stress or fatigue fractures.
  • Separation of Conductors: Route the power cable through designated low-voltage DC cabinet pathways. Separate this cable from high-voltage AC motor lines and high-current inductive switching devices by a minimum clearance of 30 cm to suppress external electromagnetic noise pickup.
  • Grounding Continuity: Verify that the mating baseplate chassis possesses a direct low-impedance ground track to the master panel earth bus. This preserves the overall system shielding capabilities mapped through the cable assembly.

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