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75JB14 - Siemens Contact Kit

  • 1 Pole
Motor ControlsSKU: 75JB14

Purchase Options: New in Box

75JB14 - Siemens Contact Kit Description

75JB14 - Siemens Contact Kit

Keep your Siemens/Furnas Size 4 vertical-lift contactors running smoothly with the 75JB14 Contact Kit. This all-in-one replacement kit provides everything needed to swap out worn contacts and restore reliable operation in motor starters, HVAC systems, pumps, and other industrial control equipment. Designed to meet original equipment manufacturer (OEM) specifications, it ensures a precise fit and steady performance under heavy electrical loads, helping your equipment stay up and running longer.

Key Features and Benefits

  • Direct OEM Fit: Works seamlessly with Siemens/Furnas Size 4 contactors, including models 14JB, 40JB, 22JB, and 43JB.
  • Complete Contact Replacement: Comes with 1 movable contact, 2 stationary contacts, return springs, and all mounting hardware—everything needed for a quick, hassle-free installation.
  • Reliable Electrical Performance: Rated for 135 A at 600 VAC, providing consistent operation with excellent arc resistance and long-lasting performance.
  • Time and Cost Efficient: Replaces only the worn components without requiring a full contactor swap, minimizing downtime and maintenance costs.

Technical Specifications

  • NEMA Size: 4 (vertical-lift design)
  • Voltage Rating: 600 VAC
  • Current Rating: 135 A
  • Includes: 1 movable contact, 2 stationary contacts, return springs, mounting hardware
  • Compatible With: Siemens/Furnas 14JB, 40JB, 22JB, 43JB
  • Weight: ~1.22 lb (0.55 kg)

Material Compliance and Certifications

  • Manufactured to OEM standards: Ensuring precise fit, form, and function.
  • Meets NEMA, UL, and CSA performance standards: When installed in certified assemblies.
  • Built for dependable operation: Under industrial load conditions.

Where It Works Best

  • Perfect for MRO technicians, OEM integrators, and facility maintenance teams who need a fast and reliable solution for restoring Size 4 contactor performance. Ideal in motor control systems, HVAC units, pump controls, and other industrial machinery where uninterrupted operation is critical.

 


This is a brand-new, aftermarket replacement contact kit, not an original OEM product. It is specifically designed to function as a compatible replacement. Use of any OEM part numbers is for reference and identification only. No affiliation or endorsement is implied.

Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.

Specifications

  • Width:3.0
  • Height:2.25
  • Depth:1.25
  • Poles:1
  • Type:Veritcal Lift
  • Sub-Category:Contact Kit
  • Additional Notes:This NEW contact kit we offer is a professionally designed after-market, MADE IN U.S.A., replacement contact kit, specifically manufactured to replace the OEM Kit.

Returns are easy

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

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

Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.

If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.

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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