Square D I-Line Service Entran...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,725.59
Square D I-Line Service Entrance Barrier Kit, LA/LH and L Frame, Backfed MCB

Square D I-Line Service Entrance Barrier Kit, LA/LH and L Frame, Backfed MCB

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Model: ILBFMHCPLULC

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,725.59
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Square D I-Line Service Entrance Barrier Kit, LA/LH and L Frame, Backfed MCB

The Square D I-Line Service Entrance Barrier Kit is engineered for use with I-Line LA/LH and L Frame panelboards, providing a UL Listed accessory that supports backfed mount circuit breakers (MCB) in service entrance applications. Square D I-Line Panelboards feature modular construction designed to accept field-installable accessories and conversion kits, giving electrical contractors flexible, distributor-stocked solutions for panelboard configuration. This kit is intended for US-only installations and ships as a single-unit package (1 ea).

Key Features

  • Frame Compatibility: Designed for I-Line LA/LH and L Frame panelboard systems.
  • Backfed MCB Support: Configured for backfed mount circuit breakers, enabling flexible service entrance configurations.
  • Modular Construction: Part of the I-Line Panelboard platform, built to accept field-installable accessories and conversion kits.
  • Service Entrance Function: Functions as a service entrance barrier kit for panelboard installations.
  • UL Recognized: UL recognized component for code-compliant electrical installations.
  • US Only: Intended for use in United States installations.
  • Packaging: Supplied 1 ea per package.

Certifications & Compliance

  • UL Listed / UL Recognized
  • Mercury Free
  • RoHS Eur Compliant with Exemptions

Technical Specifications

  • Take Back: No
  • Returnability: No
  • Product Certifications: UL
  • Sustainable Packaging: No
  • Mercury Free: Yes
  • Packaging Without Single Use Plastic: No
  • ROHS Eur In Scope: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • Legacy WEEE Scope: In
  • Packaging Made With Recycled Cardboard: Yes
  • With Recycled Cardboard: Yes
  • WEEE Product Category: 5
  • Without Single Use Plastic: No
  • ROHS Exemption Information: Yes
  • China ROHS In Scope: No
  • Return Indicator: N
  • Reach Full Compliance Status Id: CONTAINS_SVHC
  • Product Contributes To Saved And Avoided Emissions: No

Typical Applications

  • Commercial and Industrial Service Entrance Installations
  • I-Line LA/LH and L Frame Panelboard Systems
  • Backfed Main Circuit Breaker Configurations
  • Panelboard Upgrades and Conversions
  • New Construction Electrical Distribution (US Only)

Why Square D?

Square D I-Line Panelboards are built on a modular platform that accepts field-installable accessories and conversion kits, giving contractors dependable options for service entrance configurations. This UL recognized barrier kit supports backfed MCB setups on LA/LH and L Frame panelboards, helping ensure code-compliant, reliable performance for professional electrical installations.

Manufacturer Resources

Product Specs

Product Type:
Service Entrance Kit
Series:
I-Line
Configuration:
Backfed MCB
Listing:
UL Listed
Country Of Origin:
United States
Department:
Electrical
Product Group:
Conduit & Raceway
Product Subgroup:
Service Entrance Fittings

Square D ILBFMHCPLULC – Frequently Asked Questions

1) Will the Square D ILBFMHCPLULC barrier kit work on an I-Line panelboard with a J or K frame main breaker?
No. The ILBFMHCPLULC service entrance barrier kit is built for I-Line LA/LH and L Frame breaker mountings only. If the main device in your panelboard is a different frame size, this kit will not line up with the barrier mounting on that interior and you need the kit matched to that frame.
2) Is this Square D kit for a backfed main breaker or a bottom-fed main?
Backfed. The configuration on the ILBFMHCPLULC is backfed MCB, meaning the main circuit breaker is mounted as a plug-on device fed from the bus with the service conductors landing on the breaker terminals. If your main is a conventionally fed main-lug or top-fed main device, this is the wrong barrier kit for that arrangement.
3) Can I add this barrier kit to an I-Line panelboard already installed in the field, or does it have to be factory installed?
I-Line panelboards use a modular construction built to accept field-installable accessories and conversion kits, and this barrier kit is one of them. That makes it usable on panelboard upgrades and conversions as well as new construction, so an existing LA/LH or L Frame I-Line interior can be converted to a service entrance configuration without replacing the panelboard.
4) If the panelboard is an Eaton PRL1A instead of a Square D I-Line, does the ILBFMHCPLULC barrier kit still work?
No. The ILBFMHCPLULC service entrance barrier kit is built for Square D I-Line LA/LH and L Frame panelboards with a backfed main circuit breaker, so it keys to I-Line interiors only. For Eaton PRL1A or PRL2A panelboard systems, the equivalent part is the Eaton SEK4/6 service entrance kit. Service entrance barriers are manufacturer- and frame-specific, so match the kit to the panelboard family already in the enclosure rather than to the amperage or the breaker alone.
5) What is the closest cross-brand equivalent to the Square D I-Line barrier kit for a service entrance conversion?
The functional counterpart in the Eaton line is the SEK4/6 service entrance kit, which serves PRL1A and PRL2A panelboard systems. It fills the same role - converting a distribution panelboard to a service entrance arrangement - but on a different panelboard platform. The Square D part, ILBFMHCPLULC, is the I-Line version and is specified for LA/LH and L Frame boards running a backfed MCB. Neither kit crosses into the other brand's enclosure, so the panelboard you are retrofitting decides which one you order.
6) What does a service entrance barrier kit actually do in a panelboard?
It separates the service entrance (line side) conductors and terminals from the load side wiring inside the panelboard enclosure, which is what lets the panelboard be used as service equipment. The Square D ILBFMHCPLULC kit does that job on I-Line LA/LH and L Frame assemblies where the main circuit breaker is backfed.
7) Is the Square D I-Line service entrance barrier kit UL Listed for use as service equipment?
The kit carries a UL Listing, and its product certification is UL. It is intended for United States installations only, so it should not be specified for a Canadian job where CSA-certified service equipment is required.
8) We standardize our facilities on one panelboard brand - how does that affect which service entrance kit we stock?
It decides it entirely. A facility standardized on Square D I-Line stocks the I-Line barrier kit ILBFMHCPLULC for LA/LH and L Frame boards with a backfed main breaker; a facility standardized on Eaton PRL1A or PRL2A boards stocks the Eaton SEK4/6 kit instead. Because these kits are tied to the panelboard interior, maintaining both brands in a portfolio means carrying both kits. The Square D kit is UL Listed and intended for United States installations.
9) How many pieces come in the Square D ILBFMHCPLULC order?
One kit per package, supplied 1 ea. Order one kit per panelboard you are converting, not one per breaker pole.
10) Where is the Square D I-Line barrier kit made?
Country of origin is the United States, which matters if your project carries Buy American or domestic-content requirements on electrical materials.
How fast can I get the Square D ILBFMHCPLULC delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D ILBFMHCPLULC come with a warranty?
Absolutely. The Square D ILBFMHCPLULC is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D ILBFMHCPLULC?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D ILBFMHCPLULC from ZenSupply?
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