CR-M110DC4L ABB Plug in relay module Dc coil Four normally open contacts

Product Overview

The ABB CR-M110DC4L is a high-performance plug-in control relay module in the ABB CR-M series, specifically designed for signal isolation, logic expansion and load driving in industrial automation, process control, rail transit and DC control systems. This product adopts a modular structure and is used in conjunction with CR-P series sockets. It supports tool-free quick plugging and unplugging replacement, significantly improving the efficiency of system maintenance. It is equipped with 4 sets of normally open (NO) silver alloy contacts, which have a high electrical life. It is also provided with a green LED indicator light to display the working status of the coil in real time, facilitating on-site debugging and fault diagnosis.

Key features

✅ dc dedicated, stable and reliable

Optimized for 110 V DC control systems, the coil has strong surge resistance and is suitable for PLC output, DCS systems and battery-powered scenarios.
✅ Plug and play, high maintenance efficiency

The relay body is separated from the base. When a fault occurs, there is no need to disconnect the wires. Replacement can be completed within 3 seconds, minimizing downtime to the greatest extent.
✅ high load capacity contacts

The contacts are made of AgNi (silver-nickel alloy) material, which is resistant to electric arcs and oxidation
The rated switching capacity reaches 6 A / 250 V AC (AC-15) or 2 A / 30 V DC (DC-13).
✅ state visualization

It is equipped with a built-in green LED indicator light to visually show whether the coil is powered on, enhancing the maintainability of the system.
✅ flexible installation, complete certification

Compatible with various CR-P series sockets (screw/spring terminals)
Supports 35mm DIN rail mounting
It has passed international certifications such as CE, UL, CSA and CCC, and complies with the IEC/EN 61810-1 standard

Basic parameters
Model: CR-M110DC4L
Series ABB CR-M plug-in relay
Coil rated voltage: 110 V DC (allowable fluctuation range: ±10%)
The coil power consumption (holding) is approximately 1.4 W
Contact configuration: 4 NO (4 groups of normally open contacts)
Contact material AgNi (silver-nickel alloy)
Rated working current • AC-15:3 A @ 230 V AC
• DC-13:2A @ 30 V DC
The maximum switching voltage is 250 V AC / 30 V DC
The mechanical life is ≥ 10⁷ operations
Electrical life (AC-15) ≥ 100,000 times (3 A, 230 V AC)
The action time is ≤ 12 ms
Release time ≤ 8 ms
Insulation voltage (Ui) : 250 V
Pollution level 2
Protection grade IP20 (after installation with a socket)
Operating temperature range: -25°C to +55°C
Installation method: Insert into the CR-P series socket (DIN rail installation)
Dimensions (width × height × depth) : 17.5mm × 60mm × 90mm
Weight ≈ 60 g

Typical application scenarios
Industrial automation
It is used for the starting, stopping and protection of medium-voltage motors, such as water pumps, fans, compressors and other equipment.
Power transmission and distribution
Load switching and protection in scenarios such as medium-voltage switch cabinets and substations.
Energy and infrastructure
Auxiliary control of photovoltaic inverters, pumping stations of water treatment plants, and backup power switching systems.
OEM equipment integration
As a standard component embedded in the OEM control cabinet, it enhances the reliability of the entire machine.

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