Murr RMM interface module, 1 NO, 24VAC/DC, 5A

Product Overview

The Murrelektronik RMM 11/24VDC is a high-performance interface relay module designed for industrial control applications requiring reliable switching and electrical isolation. This module features a single relay with one normally open (NO) contact, rated for 5A switching current at 250 VAC/DC, with a 24V AC/DC coil voltage. The unit includes an integrated ground bridge (minus bridge) configuration and LED status indicator, providing complete relay functionality in a compact DIN rail mountable package without requiring separate relay sockets.

Key Features

• Single relay with 1 NO (normally open) contact configuration
• High switching capacity: 5A at 250 VAC/DC
• Universal coil voltage: 24V AC/DC operation
• Integrated ground bridge (minus bridge) for simplified wiring
• LED status indicator for visual operational feedback
• Complete relay module without separate socket requirement
• DIN rail mounting (35mm TH35 standard)
• Coil/contact separation for enhanced safety and reliability

Technical Specifications

• Model: RMM 11/24VDC with Ground Bridge
• Article Number: 51851
• Coil Voltage: 24V AC/DC universal
• Contact Configuration: 1 NO (SPST normally open)
• Switching Current: 5A maximum
• Switching Voltage: 250V AC/DC maximum
• Contact Type: Single pole, single throw (SPST)
• Ground Bridge: Integrated minus bridge configuration

Electrical Characteristics

• Coil Operating Voltage: 24V AC/DC universal input
• Contact Rating: 5A resistive load at 250V AC/DC
• Contact Configuration: 1 NO (normally open) contact
• Isolation: Coil/contact galvanic separation
• LED Indication: Status LED for operational feedback
• Connection Type: Screw terminal connections
• Ground Bridge: Integrated minus bridge for simplified wiring

Switching Performance

• Maximum Switching Current: 5A continuous
• Maximum Switching Voltage: 250V AC/DC
• Contact Material: Industrial-grade relay contacts
• Load Types: Resistive, inductive, and capacitive loads
• Electrical Life: Extended contact life for industrial applications
• Mechanical Life: High-cycle mechanical operation

Mechanical Specifications

• Mounting Method: DIN rail mounting (35mm TH35 standard)
• Housing Material: Industrial-grade plastic construction
• Connection Type: Screw terminals for secure wiring
• Dimensions: Standard DIN rail module footprint
• Installation: Complete module without separate socket requirement
• Terminal Access: Easy-access screw terminals

Environmental Specifications

• Operating Temperature: Standard industrial temperature range
• Protection Rating: Industrial control cabinet installation
• Housing: Flame-retardant industrial-grade construction
• Installation Environment: Control cabinet and panel applications
• Humidity: Standard industrial humidity specifications

Interface Features

• Coil/Contact Separation: Galvanic isolation between control and switching circuits
• LED Status Indicator: Visual confirmation of relay operation
• Ground Bridge Integration: Simplified wiring with integrated minus bridge
• Terminal Configuration: Clearly marked screw terminals
• Status Monitoring: Visual relay state indication

Standards and Compliance

• DIN Rail Standards: EN 60715 mounting rail compatibility
• Industrial Standards: Designed for industrial automation applications
• Safety Standards: Coil/contact separation for electrical safety
• Quality Standards: Murrelektronik industrial quality and reliability
• Environmental Standards: Industrial environmental protection ratings

Applications

• Industrial control system switching applications
• PLC output interface and isolation
• Motor control and protection circuits
• Lighting control systems
• Process control valve and actuator switching
• Safety circuit implementations

Installation Benefits

• Complete Module: No separate relay socket required
• DIN Rail Mounting: Standard 35mm DIN rail compatibility
• Screw Terminals: Secure and reliable wiring connections
• Ground Bridge: Integrated minus bridge simplifies wiring
• LED Indicator: Visual operational status confirmation
• Quick Installation: Simple plug-and-play DIN rail mounting

Design Advantages

• Integrated Ground Bridge: Eliminates need for external minus bridge connections
• Status LED: Immediate visual confirmation of relay operation
• Universal Coil: 24V AC/DC operation for flexible application compatibility
• High Current Rating: 5A switching capacity for demanding applications
• Reliable Design: Industrial-grade construction for long-term operation

Benefits

• Provides reliable 5A switching capability for demanding industrial control applications
• Offers universal 24V AC/DC coil operation for flexible installation requirements
• Features integrated ground bridge configuration to simplify wiring and reduce installation time
• Includes LED status indication for immediate visual confirmation of relay operation
• Ensures complete functionality without requiring separate relay sockets or accessories
• Supports standard DIN rail mounting for easy integration into industrial control systems

Download existing graphical data for this product:

• Product Specification Sheet