Reliable Protection for Critical Power Infrastructure
Engineered Safety Across the Power Grid
Electrical substations and power utilities require uncompromising reliability to protect and control generation, transmission, and distribution assets. Mors Smitt provides proven auxiliary, trip, supervision and protection relays, test blocks and arc‑fault monitoring to ensure safe, stable and compliant power networks worldwide.
Transmission & Primary Distribution
Mors Smitt provides a comprehensive range of reliable solutions for transmission and primary distribution networks. Designed and proven for the most demanding high-voltage environments, our products ensure accurate protection, supervision and control of critical power infrastructure.
Auxiliary, Trip and Supervision Relays
Mors Smitt auxiliary, trip and supervision relays are electro-mechanical relays specifically designed for high voltage protection and control applications.
Mors Smitt arc flash monitoring systems provide high speed optical detection and clearance of arcing faults on busbars and within metal clad switchgear.
Mors Smitt test block and plug systems enable test technicians to quickly and safely isolate protection relays for test signal injection and system performance verification.
This section contains discontinued products that are no longer manufactured. Information is retained to support existing installations and to help identify suitable replacement solutions.
Panel Indicators
For more than a century, Panel Meters played a trusted role in countless railway, maritime, and industrial applications worldwide
Our General Purpose Relays are applied mainly in industrial and power automation systems, signaling and protection systems and other control and electric drive systems
Obsolete industrial relays and relay sockets, retained for legacy support, maintenance continuity, and guidance toward current approved replacement solutions.
We are excited to welcome you to our completely redesigned online experience. Our new website makes it easier than ever to explore our products, solutions, and expertise.
Alongside a modern, user-friendly design, we have introduced enhanced product navigation, new digital features, and a refreshed datasheet experience to improve readability, consistency, and ease of use.