CR-M024DC2L ABB Plug in relay module Low voltage DC coil double normally open contacts

Product Overview

ABB CR-M024DC2L is a compact plug-in control relay module in the ABB CR-M series, specifically designed for low-voltage DC control systems. It is widely used in industrial automation, PLC interface expansion, robotics, process control and OEM equipment. 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 maintenance efficiency. It is equipped with 2 sets of normally open (NO) silver alloy contacts and a green LED indicator light, achieving dual functions of load driving and visualization of operating status.

Key features

✅ for 24 V DC, compatible with mainstream control systems

Seamlessly integrated with 24V DC control systems such as PLC, DCS, and sensors, with low coil power consumption and fast response.
✅ Plug and play, maintenance zero downtime

The relay body can be directly pulled out from the base for replacement without disassembling the wiring, significantly reducing the fault recovery time.
✅ high reliability contact design

The contacts are made of AgNi (silver-nickel alloy) material, which is resistant to electric arcs and wear
Supports switching between inductive loads (such as small contactors and solenoid valves) and resistive loads
✅ status is visible in real time

It is equipped with a built-in green LED indicator light to visually display whether the coil is powered on, facilitating on-site debugging and troubleshooting.
✅ compact and flexible, fully certified

The width is only 17.5mm, saving space in the control cabinet
Compatible with screw/spring terminal sockets and supports 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-M024DC2L
Series ABB CR-M plug-in relay
Coil rated voltage: 24 V DC (Allowable fluctuation range: ±10%, that is, 21.6-26.4 V DC)
Coil power consumption (holding) ≈ 0.9W
Contact configuration 2 NO (2 sets of normally open contacts)
Contact material AgNi (silver-nickel alloy)
Rated working current • AC-15:3 A @ 230 V AC
• DC-13 2A @ 24 V DC
The maximum switching voltage is 250 V AC / 30 V DC
The mechanical life is ≥ 10⁷ operations
Electrical life (DC-13) ≥ 100,000 times (2 A, 24 V DC)
The action time is ≤ 10 ms
Release time ≤ 5 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 CR-P series socket (35mm DIN rail installation)
Dimensions (width × height × depth) : 17.5mm × 60mm × 90mm
The weight is approximately 55 grams

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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