ABB CR-P/M 42V Relay Module – Diode and LED Indication

1. Product Summary

The ABB CR-P/M 42V pluggable module enhances relay socket performance through reliable suppression and clear status indication. Its design supports demanding control systems where stable signal integrity is essential. Moreover, the compact housing integrates easily into CR-P and CR-M socket ranges, enabling seamless upgrades without redesign. Each module delivers trusted protection for coils operating within a 6–24 VDC control supply range, ensuring consistent behavior in industrial automation environments.

2. Functional Highlights

The module provides diode-based reverse polarity protection, which helps engineers maintain safe relay operation during rapid switching events. In addition, the integrated green LED offers instant visual feedback, supporting quick diagnostics on dense control panels. The lightweight form factor fits tightly into ABB sockets, allowing efficient installation even in narrow cabinet layouts. Therefore, technicians gain dependable suppression and monitoring without introducing unnecessary wiring complexity.

3. Technical Specifications

Electrical and Functional Parameters

• Control supply voltage: 6–24 VDC

• Function: Reverse polarity protection / Free-wheeling diode

• Indication: Green LED (A1+, A2–)

Mechanical Characteristics

• Net width: 13 mm

• Net height: 24 mm

• Net depth: 9 mm

• Net weight: 0.003 kg

Packaging Details

• Package type: Bag, 10 pieces

• Package width: 130 mm

• Package height: 180 mm

• Package depth: 9 mm

• Package gross weight: 0.032 kg

Product ID: 1SVR405652R1000
EAN: 4013614528729

4. Typical Applications and Integration

This module integrates smoothly into industrial relay control panels where coil suppression and signal visibility are crucial. Many OEMs install it in machine automation cabinets that require fast troubleshooting and extended relay service life. For instance, it supports conveyor systems, small power distribution assemblies, and automated test equipment using CR-P or CR-M sockets. Moreover, maintenance teams appreciate the plug-in form, which ensures rapid replacement without interrupting wiring continuity.

5. Reliability and Service

ABB engineers validate this accessory for long-term operational stability, offering consistent performance in harsh control panel conditions. Furthermore, users benefit from ABB’s global support network, which ensures rapid access to documentation, spare units, and technical guidance. Continuous availability allows facilities to maintain standardization across multiple automation lines, strengthening overall system reliability.

6. FAQ

Q1: Does the module fit all CR-P and CR-M relay sockets?
Yes, the module is designed specifically for both socket families and installs without additional tools.

Q2: Can the LED operate across the entire 6–24 VDC range?
Yes, the green LED functions correctly throughout the specified control voltage range.

Q3: What type of protection does the diode provide?
The diode supports free-wheeling operation and reverse polarity protection for relay coils.

Q4: Can this module extend relay life?
Yes, suppression reduces coil stress and helps improve relay longevity in frequent switching applications.

Q5: Is the module suitable for tight control cabinets?
Yes, the compact 13 × 24 × 9 mm design fits well into dense layouts.