75MB14 - Siemens Contact Kit Description
75MB14 - Siemens Contact Kit
Keep your Siemens/Furnas vertical-lift contactors in top shape with the Siemens 75MB14 Contact Kit. Designed as a true OEM replacement, this kit gives you everything you need—movable and stationary contacts, springs, and mounting hardware—to quickly restore worn or aging contact assemblies. It’s built to deliver reliable electrical performance and resist arcing, helping your equipment run longer and smoother without unexpected downtime. Whether you’re a service technician, maintenance professional, or part of an OEM assembly team, this kit makes repair straightforward and efficient.
Key Features and Benefits
- OEM-accurate replacement: For Siemens/Furnas Size 6 contactors (14MB, 22MB, 40MB, 14MF, 22MF, 40MF) for a perfect fit.
- All-in-one kit: Includes moving and stationary contacts, springs, and mounting hardware for easy installation.
- High load capacity: Handles heavy loads up to 600 VAC and 540 A, suitable for industrial motor starters and demanding electrical applications.
- Reduces arcing: Helps prevent unexpected downtime, keeping your operations running reliably.
Technical Specifications
- Contact Kit Type: 1-pole vertical-lift replacement
- Compatibility: Siemens/Furnas Size 6 contactors
- Voltage Rating: Up to 600 VAC
- Current Rating: 540 A
- Kit Contents: 1 movable contact, 2 stationary contacts, springs, screws
- Weight: ~4.4 lb (2 kg)
Material Compliance and Certifications
- Built to meet Siemens/Furnas standards: Complies with NEMA, UL, and CSA regulations, ensuring safe, dependable use in industrial environments.
Where It Works Best
- Ideal for maintenance crews, service technicians, and OEM teams, the 75MB14 is perfect for refreshing high-capacity contactors in HVAC systems, pumps, conveyors, and motor starters, giving you an affordable way to extend equipment life without replacing the entire assembly.
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 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).