SKU: 1SAH108237R9900Alt SKU: MCRA040AT9MPN: 1SAH108237R9900
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1SAH108237R9900 ABB MCRA040AT9 Mini Contactor Relay 4NO Control Relay

ABB 1SAH108237R9900 mini contactor relay with 2NO + 2NC contacts and 48 V AC coil designed for industrial control and automation applications.

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Why Choose the ABB 1SAH108237R9900 Mini Contactor Relay?

The ABB 1SAH108237R9900 is a compact and reliable mini contactor relay designed for industrial control applications, automation systems and auxiliary switching circuits. As part of the ABB MCRA mini contactor relay range, it provides dependable switching performance where compact installation and reliable operation are required.

This mini contactor relay combines a space-saving four-pole design with screw terminal connections, making it suitable for electrical control panels, automation equipment and auxiliary control circuits. Its compact construction enables efficient integration into industrial and commercial electrical systems.

With a 48 V AC 50/60 Hz coil, a 2NO + 2NC contact configuration and a compact mounting format, the ABB 1SAH108237R9900 is suitable for control circuits, PLC interfaces and auxiliary switching applications requiring dependable relay operation.

Key Advantages

  • Compact mini contactor relay designed for industrial control applications.
  • 2NO + 2NC contact configuration for flexible auxiliary switching.
  • 48 V AC 50/60 Hz coil for reliable control operation.
  • Space-saving design for electrical control panels.
  • Screw terminal connections for secure installation.
  • Suitable for industrial automation and auxiliary control applications.

Key Features

  • ABB MCRA mini contactor relay series.
  • 2NO + 2NC contact configuration.
  • 48 V AC 50/60 Hz coil voltage.
  • Screw terminal connection technology.
  • DIN rail and wall mounting capability.
  • Compact four-pole relay design.
  • Suitable for industrial control and automation systems.

Reliable Control Switching for Industrial Automation

Mini contactor relays such as the ABB 1SAH108237R9900 provide dependable switching for control circuits, automation interfaces and auxiliary functions. They allow industrial systems to manage electrical signals efficiently while maintaining compact panel layouts.

The ABB MCRA series is designed for engineers and machine builders requiring reliable switching components for modern industrial control systems, automation panels and electrical assemblies.

Typical Applications

  • Industrial automation control panels.
  • PLC interface switching.
  • Machine control equipment.
  • Control signal switching systems.
  • Electrical cabinets and automation assemblies.
  • Auxiliary switching circuits.

Technical Specifications

Manufacturer ABB
Series MCRA Mini Contactor Relays
Model 1SAH108237R9900
Product type Mini contactor relay
Control voltage 48 V AC
Coil frequency 50/60 Hz
Contact configuration 2NO + 2NC
Number of poles 4P
Conventional thermal current 10 A
Rated operational voltage 690 V AC / 440 V DC
Connection type Screw terminals
Mounting type DIN rail / wall mounting
Protection rating IP20

Frequently Asked Questions

What is the ABB 1SAH108237R9900 used for?

The ABB 1SAH108237R9900 is a mini contactor relay used for switching control signals and auxiliary circuits in industrial automation systems.

What control voltage does this relay require?

The relay operates with a 48 V AC 50/60 Hz coil.

How many contacts does this contactor relay have?

The ABB 1SAH108237R9900 has a 2NO + 2NC contact configuration.

What is the rated current of this relay?

The relay has a conventional thermal current rating of 10 A.

Where is this relay typically installed?

The relay is typically installed inside industrial control panels, automation systems and electrical cabinets.

Trusted by Industrial Automation Professionals

ABB mini contactor relays are widely used by engineers and system builders to provide reliable control switching, compact installation and dependable operation in modern industrial electrical systems.
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