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1SAH220407R9900 ABB MCRC040ATWJ Mini Contactor Relay 4NO Control Relay
ABB 1SAH220407R9900 MCRC040ATWJ mini contactor relay with four normally open auxiliary contacts and a 110 V DC coil designed for industrial control applications.
£32.42
Why Choose the ABB 1SAH220407R9900 MCRC040ATWJ Mini Contactor Relay?
The ABB 1SAH220407R9900 is a compact and reliable MCRC040ATWJ mini contactor relay designed for switching control signals and small electrical loads in industrial, commercial and automation applications. As part of the ABB MCRC mini contactor relay series, it provides dependable auxiliary switching performance where high functionality, compact installation and reliable DC control are required.
This mini contactor relay features a dimension-optimised four-pole DC-operated design with screw terminals, making it an ideal solution where high performance is required but installation space is limited. The MCRC series is designed for switching control signals and small loads up to 6 A / 240 V AC (AC-15) in residential, commercial and industrial applications.
With a 110 V DC control supply and a 4 normally open auxiliary contact configuration, the ABB 1SAH220407R9900 MCRC040ATWJ provides flexible switching capability for automation systems, electrical control circuits and industrial applications requiring reliable DC operation.
Key Advantages
- Compact mini contactor relay designed for industrial control applications.
- 4 normally open auxiliary contacts for flexible control circuit switching.
- 110 V DC coil supply for industrial DC control systems.
- Space-saving design for electrical panels and automation equipment.
- Suitable for wall or DIN rail mounting installations.
- Reliable ABB construction for long service life and consistent switching performance.
Key Features
- ABB MCRC040ATWJ mini contactor relay.
- 4-pole auxiliary contact design.
- 4 normally open (NO) contacts.
- 6 A rated operational current.
- 4 A operational current at 400 V AC.
- 110 V DC extended operating limits coil.
- DC operated control circuit.
- Screw terminal connection system.
- Compact wall or DIN rail mounting design.
- No LED indication or manual operation function.
Reliable Control Switching for Industrial Applications
Mini contactor relays such as the ABB MCRC040ATWJ provide dependable switching of auxiliary circuits and control signals in electrical systems. Their compact design enables engineers to build efficient control panels while maintaining reliable switching performance.
The ABB MCRC series is developed for applications where space is limited but reliable electrical control is essential. The 1SAH220407R9900 combines ABB engineering, flexible mounting options and robust auxiliary switching capability for modern automation systems.
Typical Applications
- Industrial automation control panels.
- Machine building and OEM equipment.
- Motor control and auxiliary switching circuits.
- Electrical distribution control systems.
- Building automation applications.
- Industrial signalling and control circuits.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Device Type | Contactor relay | |
| Auxiliary Contacts | None | |
| Coil Type | DC | |
| Manufacturer | ABB | |
| Series | MCRC Mini Contactor Relays | |
| Model | MCRC040ATWJ | |
| Part number | 1SAH220407R9900 | |
| Product type | Mini contactor relay | |
| Contact configuration | 4NO | |
| Number of auxiliary contacts NO | 4 | |
| Rated control voltage | 110 V DC | |
| Rated operational voltage | Up to 690 V AC | |
| Rated operational current | 6 A | |
| Rated operational current at 400 V AC | 4 A | |
| Connection type | Screw terminals | |
| Mounting type | DIN rail / wall mounting | |
| Protection rating | IP20 terminals | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | 0.235 kg |
Frequently Asked Questions
What is the ABB 1SAH220407R9900 used for?
The ABB 1SAH220407R9900 is a mini contactor relay used for switching control signals and small electrical loads in industrial and automation systems.
What contact configuration does this relay have?
The MCRC040ATWJ features four normally open (NO) auxiliary contacts.
What control voltage does the ABB MCRC040ATWJ require?
The relay operates with a 110 V DC control supply.
What type of mounting is supported?
The ABB 1SAH220407R9900 supports DIN rail and wall mounting for flexible installation in electrical control panels.
Where is this mini contactor relay typically installed?
The relay is typically installed in industrial automation panels, electrical enclosures and control systems requiring reliable auxiliary switching.
Trusted by Automation Engineers Worldwide
ABB mini contactor relays are widely used in industrial control applications to provide reliable auxiliary switching, compact installation and dependable operation in modern electrical systems.
