Why Choose the ABB 1SAH102032R9900 MCRA031ATW Mini Contactor Relay?
The ABB 1SAH102032R9900 MCRA031ATW is a compact and reliable mini contactor relay designed for switching control signals and auxiliary circuits in industrial, commercial and building automation applications. As part of the ABB MCRA mini contactor relay range, it provides dependable control performance where space-saving installation and flexible switching capability are required.
This dimension-optimised four-pole contactor relay features screw terminals and an AC-operated coil, making it suitable for control panels, automation systems and electrical installations where reliable auxiliary switching is essential. Its compact design allows efficient use of cabinet space while maintaining ABB’s recognised standards for industrial switching equipment.
With a 3 normally open + 1 normally closed auxiliary contact configuration and an AC control supply of 415–440 V AC at 50 Hz / 480 V AC at 60 Hz, the ABB 1SAH102032R9900 MCRA031ATW is suitable for switching control signals up to 6 A in AC-15 applications and integrating into a wide range of electrical control systems.
Key Advantages
- Compact mini contactor relay designed for auxiliary switching applications.
- 3NO + 1NC contact arrangement for flexible control circuit design.
- 415–440 V AC coil supply at 50 Hz and 480 V AC at 60 Hz.
- Space-saving design for electrical cabinets and automation panels.
- Screw terminal connections provide secure and simple installation.
- Suitable for industrial, commercial and building control applications.
Key Features
- ABB MCRA031ATW mini contactor relay.
- 4-pole auxiliary contact configuration.
- 3 normally open contacts and 1 normally closed contact.
- 6 A rated operational current for AC-15 control applications.
- 4 A rated operational current at 400 V AC.
- AC operated coil system.
- Screw connection terminals for auxiliary circuits.
- DIN rail or wall mounting capability.
Reliable Auxiliary Switching for Industrial Control Systems
Mini contactor relays such as the ABB MCRA031ATW provide reliable switching of control circuits, allowing automation equipment, machines and electrical systems to manage auxiliary signals efficiently. Their compact construction makes them ideal for installations where panel space is limited.
The ABB MCRA series is designed for applications requiring dependable switching performance, easy installation and compatibility with modern industrial control systems. The 1SAH102032R9900 combines ABB reliability with flexible contact arrangements for a broad range of control applications.
Typical Applications
- Industrial automation control panels.
- Machine control and auxiliary circuits.
- Building automation systems.
- Electrical distribution control systems.
- Motor control and switching applications.
- OEM machinery and industrial equipment.
