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900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover
900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover
900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover
900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover

900TNF-0101 Honeywell ControlEdge HC900 Filler Block Terminal Cover


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PRODUCT SKU : 900TNF-0101

PRODUCT TYPE : Terminal Covers

PRODUCT VENDOR : Honeywell


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for slot physical protection and environmental sealing in ControlEdge HC900 rack assemblies, the Honeywell 900TNF-0101 (900TNF Terminal Cover) provides direct physical/electrical execution. Constructed from UL94-V0 flame-retardant industrial thermoplastic, the clip-on cover seals empty I/O backplane positions against ingress of airborne particulates, conductive dust, and ambient moisture. The snap-in mechanical chassis structure maintains backplane channel isolation and shielding integrity across operational temperature extremes from -40 to +70 deg C without requiring mounting tools.

Hardware Specifications

Parameter Specification
Model 900TNF-0101
Brand Honeywell
Origin USA
Weight Approx. 0.5 kg
Dimensions Approx. 100 mm x 60 mm x 30 mm
Operating Temp -40 to +70 deg C
Power Consumption Passive physical component (0 W)
Housing Material Industrial-grade thermoplastic (UL94-V0 flame retardant)
System Compatibility ControlEdge HC900 I/O racks
Ingress Protection IP65 rated enclosure seal
Humidity Range 5% to 95% RH, non-condensing
Mounting Type Tool-less snap-in rack mount

Channel-to-Channel Isolation & DCS Field Interfacing

The Honeywell 900TNF-0101 terminal cover prevents ambient cross-talk and physical degradation along exposed backplane connector pins in unpopulated controller slots. By maintaining an IP65 ingress barrier across empty I/O positions, the cover eliminates stray moisture and airborne particulate paths that could degrade local dielectric properties. Preserving a clean electrical environment on adjacent active slots prevents impedance drift and signal degradation across high-density analog processing cards handling 4-20 mA HART loop protocol field telemetry and low-voltage sensor lines.

Frequently Asked Questions

Q: Does the installation or removal of the 900TNF-0101 filler cover require special tools or system power removal?

A: No, the snap-in mechanical assembly allows tool-less insertion and extraction directly onto empty rack slots without disrupting adjacent energized backplane channels.

Q: What environmental rating does the 900TNF-0101 maintain over empty backplane slots?

A: The cover provides an IP65 rating, shielding internal backplane connector contacts against dust ingress and low-pressure water streams.

Field Installation Guidelines

  • Align the 900TNF-0101 cover squarely over the unpopulated I/O slot position on the ControlEdge HC900 rack guide rails.
  • Press the cover firmly inward until top and bottom snap-fit retention latches engage into the chassis frame.
  • Ensure all perimeter sealing lips seat flush against adjacent module edges to preserve the IP65 environmental seal.
  • Store removed filler covers in a dust-free enclosure to prevent contamination of internal latching surfaces prior to re-use.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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