Overview
The NEC MR22-N7 signal relay is a compact electromagnetic relay designed for general-purpose switching and control applications. With a 1200 ohm coil impedance, this relay is ideal for low-signal control circuits in industrial automation, HVAC systems, telecommunications equipment, and process control. The NEC MR22-N7 delivers reliable performance and fast switching action for applications requiring stable contact operation.
Key Features
- 1200 ohm coil impedance for precise signal-level control
- Compact form factor suitable for space-constrained enclosures
- Electromagnetic switching with consistent contact reliability
- General-purpose design compatible with standard relay sockets
- Proven NEC TOKIN quality for industrial duty cycles
Technical Specifications
- Coil Impedance: 1200 ohm
- Relay Type: Signal relay
- Mounting: Standard relay socket compatible
- Contact Configuration: Single pole (typical for MR22 series)
- Switching Action: Electromagnetic
- Brand: NEC
- Series: MR22
Typical Applications
- Industrial automation control circuits
- HVAC and building management systems
- Telecommunications switching equipment
- Process control and monitoring systems
- Safety interlocking and alarm circuits
- Low-power signal routing and distribution
Compatibility & Replacements
Compatible With
- Standard 8-pin relay sockets
- Industrial control panels and PLC input/output modules
- General-purpose relay bases and terminal blocks
- Low-voltage control circuits (typically 6–24 VDC or equivalent AC)
Replaces / Drop-In Replacement For
Verify compatibility with your equipment documentation before ordering. The NEC MR22-N7 is interchangeable with other MR22 series relays having identical coil impedance and contact configuration.
Works With
- Standard 8-pin DIP relay sockets
- Industrial relay bases and terminal blocks
- Control circuit applications using low-level signal switching
- Compatible with 6V, 12V, 24V, and AC control power supplies










