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SJ1D - 400 Amp Max. Rated Mounting Kit

  • 400 Amp
  • 3 Pole

Purchase Options: New

Quantity
$1,118.00$2,730.00save $1,612.00

SJ1D - 400 Amp Max. Rated Mounting Kit Description

SJ1D  - 400 Amp Max. Rated Mounting Kit

The SJ1D Mounting Hardware Kit is a high-quality, professionally manufactured aftermarket replacement designed to restore secure installation and proper alignment for compatible circuit breaker frames. Built for reliability in demanding electrical environments, this kit is engineered to replace the original OEM mounting hardware used with JD23, JD63, HJD, JXD, and HJXD frame-type circuit breakers. It provides a dependable solution for technicians and maintenance teams who need a precise fit and stable mounting during breaker installation or servicing. Whether used during equipment upgrades, routine maintenance, or breaker replacements, the SJ1D mounting kit helps ensure that circuit breakers remain firmly positioned within the panel or switchgear assembly, supporting safe and consistent electrical system performance. Designed for compatibility with 400-amp, 3-pole configurations, this mounting hardware kit is manufactured to meet professional electrical standards while delivering a practical and cost-effective alternative to original factory components.

Key Features and Benefits

  • Direct Aftermarket Replacement: Specially engineered to replace the original OEM mounting kit used with select breaker frames.
  • Precision Fit Design: Ensures proper alignment and secure installation of compatible circuit breakers.
  • Professional-Grade Construction: Manufactured using high-quality materials suitable for commercial and industrial electrical environments.
  • Reliable Breaker Support: Helps maintain breaker stability within panels and switchgear assemblies.
  • Maintenance-Friendly Solution: Ideal for replacing worn or missing mounting hardware during servicing or upgrades.
  • Compatible With Multiple Frame Types: Designed to work with JD23, JD63, HJD, JXD, and HJXD breaker frames.

Technical Specifications

  • Part Number: SJ1D
  • Product Type: Circuit Breaker Mounting Hardware Kit (Aftermarket Replacement)
  • Poles: 3
  • Amperage Compatibility: 400A
  • Compatible Frame Types: JD23, JD63, HJD, JXD, HJXD
  • Ship Weight: 20 lbs
  • Shipping Dimensions (Height): 11 inches

Material Compliance and Certifications

  • Industry Materials: This aftermarket mounting hardware kit is manufactured using industry-accepted materials intended for use in electrical distribution equipment.
  • Professional Performance Standards: Components are produced to meet professional performance expectations for durability, installation accuracy, and compatibility with listed breaker frames.
  • Safe System Integration: All parts are designed for safe integration within electrical systems when installed by qualified personnel and in accordance with applicable electrical codes and standards.

Where It Works Best

  • Commercial electrical panels and distribution systems
  • Industrial power distribution equipment
  • Facility maintenance and electrical upgrades
  • Manufacturing plants and processing facilities
  • Data centers and mission-critical infrastructure
  • Large commercial buildings and institutional facilities

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:20.0
  • Height:11.0
  • Depth:5.0
  • Poles:3
  • Amperes:400
  • Type:JD23; JD63; HJD; JXD; HJXD
  • Additional Notes:* This is a high quality, professionally made, after-market replacement, Mounting hardware kit, specially designed to replace the O.E.M. kit
  • Panel Type:FCI; FCII; CDP-5; CDP-6; SB1-3; S5; P5; SPP/FPP; F2 (12.75"D)

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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