1SAH102034R9900 ABB MCRA031AT1 Mini Contactor Relay 3NO 1NC Control Relay

1SAH102034R9900 ABB MCRA031AT1 Mini Contactor Relay 3NO 1NC Control Relay

ABB 1SAH102034R9900 MCRA031AT1 mini contactor relay with 3NO and 1NC auxiliary contacts and a 24 V AC coil supply designed for industrial control and automation switching applications.

SKU: 1SAH102034R9900Alt SKU: MCRA031AT1MPN: 1SAH102034R9900
Price
List Price £38.18 ex VAT
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£38.18
Manufacturer Lead Time Estimated Delivery 7 weeks
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Why Choose the ABB 1SAH102034R9900 MCRA031AT1 Mini Contactor Relay?

The ABB 1SAH102034R9900 MCRA031AT1 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 switching performance where space-saving installation and reliable control are required.

This dimension-optimised four-pole contactor relay features an AC-operated 24 V coil, screw terminal connections and a compact design suitable for electrical control panels and automation systems. The MCRA series is designed for applications requiring high performance while minimising installation space.

With a 3 normally open + 1 normally closed auxiliary contact configuration and a 24 V AC control supply at 50 Hz and 60 Hz, the ABB 1SAH102034R9900 MCRA031AT1 is suitable for switching control signals and small loads up to 6 A in AC-15 applications.

Key Advantages

  • Compact mini contactor relay designed for auxiliary switching applications.
  • 3NO + 1NC contact arrangement for flexible control circuit design.
  • 24 V AC coil supply for common automation control systems.
  • Space-saving design for industrial and automation control panels.
  • Screw terminal connections provide secure and reliable installation.
  • Suitable for switching control signals and small loads up to 6 A.

Key Features

  • ABB MCRA031AT1 mini contactor relay.
  • 4-pole auxiliary contact configuration.
  • 3 normally open and 1 normally closed auxiliary contacts.
  • 6 A rated operational current for AC-15 applications.
  • 4 A rated operational current at 400 V AC.
  • AC operated coil system.
  • Screw terminal connections for auxiliary circuits.
  • DIN rail or wall mounting capability.

Reliable Auxiliary Switching for Industrial Control Systems

Mini contactor relays such as the ABB MCRA031AT1 provide dependable switching of control circuits, enabling automation equipment and electrical systems to manage auxiliary signals efficiently. Their compact construction makes them ideal for installations where control panel space is limited.

The ABB MCRA series is designed for engineers, panel builders and machine manufacturers requiring reliable switching, secure connections and simple integration into modern control systems. The 1SAH102034R9900 combines ABB quality with a flexible auxiliary contact arrangement for industrial control applications.

Typical Applications

  • Industrial automation control panels.
  • Machine control and auxiliary circuits.
  • Building automation systems.
  • Electrical distribution control systems.
  • Control signal switching applications.
  • OEM machinery and industrial equipment.

Technical Specifications

Coil Voltage Range 24 V
Manufacturer ABB
Series MCRA Mini Contactor Relays
Model MCRA031AT1
Part number 1SAH102034R9900
Product type Mini contactor relay
Contact configuration 3NO + 1NC
Number of poles 4-pole
Control voltage 24 V AC
Frequency 50 / 60 Hz
Rated operational current Ie 6 A
Rated operational current at 400 V 4 A
Rated insulation voltage 750 V
Rated operational voltage up to 690 V AC
Connection type Screw terminals
Mounting type DIN rail / wall mounting
Protection rating IP20
Dimensions (H × W × D) 48 × 45 × 56 mm
Weight approx. 0.17 kg
Poles 4-pole
Coil / Supply Voltage 24 V AC
Device Type Contactor relay
Coil Type AC

Frequently Asked Questions

What is the ABB 1SAH102034R9900 used for?

The ABB 1SAH102034R9900 MCRA031AT1 is a mini contactor relay used for switching control signals and auxiliary circuits in industrial and automation applications.

What contact configuration does this relay have?

The MCRA031AT1 features a 3 normally open + 1 normally closed (3NO + 1NC) auxiliary contact configuration.

What coil voltage does the ABB MCRA031AT1 require?

The relay operates with a 24 V AC control supply at 50 Hz and 60 Hz.

What is the rated current of this mini contactor relay?

The ABB MCRA031AT1 supports switching applications up to 6 A in AC-15 applications.

How is the ABB 1SAH102034R9900 installed?

The relay can be installed using DIN rail or wall mounting and uses screw terminal connections.

Trusted by Industrial Automation Professionals

ABB mini contactor relays are widely used by engineers and machine builders to provide dependable auxiliary switching, compact installation and reliable control system performance.

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