HM Contact Systems

Unmatched performance and reliability with nVent’s high-current contacts

nVent’s HM Contact Systems combine cutting-edge design with superior materials to deliver unparalleled performance in high-current applications. Their advanced engineering ensures minimal maintenance, maximum reliability, and long service life, making these high-current contacts the preferred choice for industry professionals.

Featuring a High Mass (HM) design that delivers superior performance and efficiency, HM Contact™ Systems are an ideal solution for joining high-current contacts. The HM contact assembly consists of a ring of spring-loaded individual silver-plated copper contacts, providing continuous low-pressure engagement with the contact elements to ensure reliable, long-term operation.

Versatile and efficient HM Contact Systems for high-current applications

Highly versatile and easy to install in a wide variety of OEM applications, HM Contact Systems are well-suited for circuit breakers and disconnects.

• Low Contact Resistance: HM Contact Systems maintain minimal resistance, ensuring efficient current flow and reducing energy loss.
• Cost-Effective: These systems offer a low-cost solution for high-current applications without compromising quality.
• Optimized Current Flow Path: The design ensures the shortest possible current flow path, enhancing performance.
• Elimination of Oxidation and Fretting: The silver-plated contacts prevent oxidation and fretting, increasing durability.
• Long Service Life: Low wear characteristics ensure that the contacts last longer, reducing the need for frequent replacements.
• Adjusts for Misalignment: The design compensates for angular misalignment and high side load forces, ensuring stable connections.
• High Short Circuit Capacities: With short circuit capacities up to 100 kA, these systems can handle extreme conditions.
• High Continuous Current Ratings: Suitable for continuous current ratings up to 8,000 A.
• Custom Designs Available: Tailored solutions to meet specific OEM requirements.

Enhance your high-current systems with nVent’s HM Contact Systems and experience the difference in efficiency, durability, and performance.