Why Choose the ABB MARN431AR Auxiliary Contact Block?
The ABB 1SAL103353R9906 MARN431AR is a compact and reliable auxiliary contact block designed to expand the control and signalling capabilities of ABB mini contactors. As part of the ABB MARN auxiliary contact block series, it provides additional switching contacts for industrial automation, motor control and electrical control systems.
This front-mounted auxiliary contact block is designed for use with compatible ABB MC1, MC2 and MCR mini contactors equipped with ring tongue terminals. Its compact construction allows engineers to add contactor status feedback, interlocking and auxiliary control functions while maintaining efficient panel layouts.
Featuring three normally open auxiliary contacts and one normally closed auxiliary contact, with a 6 A AC-15 operational current at 230 V AC, the ABB MARN431AR is ideal for applications requiring reliable auxiliary switching and monitoring within industrial control assemblies.
Key Advantages
- Compact auxiliary contact block designed for ABB mini contactors.
- 3 normally open and 1 normally closed auxiliary contacts for flexible control functions.
- Front-mounted design for straightforward installation on compatible contactors.
- 6 A AC-15 rated operational current at 230 V AC.
- Ring tongue terminal connection for secure industrial wiring.
- Improves monitoring, interlocking and automation control capabilities.
Key Features
- ABB MARN auxiliary contact block series.
- Model: MARN431AR.
- 3NO + 1NC auxiliary contact configuration.
- Front fastening mounting design.
- Ring tongue terminal connection.
- Rated operational current Ie AC-15: 6 A at 230 V AC.
- Conventional free-air thermal current: 10 A.
- Designed to meet EN 50005 contact designation requirements.
- Suitable for industrial control and automation systems.
Reliable Contact Feedback for Industrial Control Systems
Auxiliary contact blocks such as the ABB MARN431AR provide additional switching contacts that allow control systems to monitor contactor status, create electrical interlocks and provide feedback signals to PLCs and automation equipment.
The ABB MARN auxiliary contact range is designed to complement ABB mini contactors used in industrial environments. The MARN431AR provides a flexible solution for engineers requiring additional normally open and normally closed contacts while maintaining compact and reliable control panel designs.
Typical Applications
- Industrial automation control panels.
- Motor starter and contactor assemblies.
- PLC feedback and signalling circuits.
- Machine building and OEM equipment.
- Electrical control cabinets.
- Industrial switching and monitoring systems.
