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Relay Modules

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Explore high-quality relay modules from Murrelektronik – reliable, compact, and ready for your industrial automation needs. ✓ Wide range ✓ Proven performance ✓ Fast delivery from our online shop

Related searches: relay components, interface relays, coupling relays, control cabinet relays

Reliable Switching Solutions for Industrial Applications

Relay modules are the essential building blocks in control cabinet engineering. As electromechanical or electronic switches, they allow for safe signal conversion from low-voltage control systems to high-voltage operational circuits. Murrelektronik relay modules are designed to provide consistent performance, safety, and space-saving integration across a wide range of industrial environments.

Bridging Control Signals and Power Loads

In automation systems, the most common control voltage is 24 VDC. Relay modules with 24 V input can safely switch power circuits operating at voltages such as 110 V, 230 V, or even 250 V AC/DC. This ensures seamless control of motors, lighting systems, pumps, and other high-load devices without exposing the controller to risk. Specialized voltage combinations are also available to meet global standards, such as for North American installations.

Types of Relay Contacts: Tailored for Every Application

Relay modules are available in various contact configurations to support different switching behaviors:

  • Normally Open (NO) – Closes the circuit when activated; ideal for starting machines or devices.
  • Normally Closed (NC) – Opens the circuit when triggered; commonly used in emergency stop applications.
  • Changeover (CO) – Switches from one circuit to another, enabling fast and reliable switching paths.

These relays may include mechanical return mechanisms, internal springs, or wear-resistant designs for high switching cycles. Depending on use case, they can be manually reset or reset automatically through built-in mechanisms.

Wiring Options for Easy Installation

Relay modules are engineered for convenient installation within control panels and enclosures. Murrelektronik offers two robust connection technologies:

  • Spring clamp terminals – Tool-free and vibration-resistant, ideal for fixed installations.
  • Screw terminals – Extremely secure under mechanical stress, preferred in mobile and heavy-duty applications such as cranes, ships, or construction equipment.

Why Choose Murrelektronik Relay Modules?

  • Extensive product portfolio for DC and AC applications
  • Compact footprint ideal for space-constrained cabinets
  • High switching capacity with consistent contact reliability
  • Optional LED indicators for quick diagnostics
  • Designed for global compatibility and industrial standards

Whether you're upgrading an existing system or building a new installation from scratch, Murrelektronik relay modules deliver dependable switching performance with flexible integration options.

Discover the full range of relay modules at Murrelektronik and find the perfect solution for your automation needs.