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1SAH220406R9900 ABB MCRC031ATWJ Mini Contactor Relay 3NO 1NC Control Relay
ABB 1SAH220406R9900 MCRC031ATWJ mini contactor relay with 3NO + 1NC contacts and 110 V DC extended operating limits coil for industrial control switching applications.
£34.47
Why Choose the ABB 1SAH220406R9900 MCRC031ATWJ Mini Contactor Relay?
The ABB 1SAH220406R9900 is a compact and reliable mini contactor relay designed for switching auxiliary control circuits and small electrical loads in industrial automation, commercial installations and electrical control systems. As part of the advanced ABB MCRC mini contactor relay series, it provides dependable switching performance where compact dimensions, extended operating limits and reliable control are required.
This four-pole auxiliary contactor relay features a 3NO + 1NC contact configuration and a 110 V DC extended operating limits coil. Its screw terminal connection system, compact housing and DIN rail or wall mounting capability make it suitable for integration into control panels, automation systems and industrial electrical assemblies.
With switching capability up to 6 A at AC-15 applications, the ABB MCRC031ATWJ delivers reliable auxiliary switching for control applications requiring compact dimensions, flexible installation and proven ABB engineering.
Key Advantages
- Compact mini contactor relay designed for auxiliary control switching.
- 3NO + 1NC auxiliary contact configuration for flexible control applications.
- 110 V DC extended operating limits coil for reliable DC control systems.
- Space-saving design for compact electrical panels and automation equipment.
- Screw terminal connections provide secure and straightforward installation.
- Suitable for DIN rail or wall mounting applications.
Key Features
- ABB MCRC031ATWJ mini contactor relay.
- Four-pole auxiliary contactor configuration.
- 3 normally open (NO) + 1 normally closed (NC) auxiliary contacts.
- 110 V DC control supply voltage.
- Extended operating limits coil technology.
- 6 A rated operational current.
- 4 A rated operational current at 400 V.
- Screw terminal connection technology.
- DIN rail and wall mounting compatible design.
- Up to 6 additional auxiliary contacts can be fitted.
Reliable Control Switching for Industrial Automation
Mini contactor relays such as the ABB MCRC series provide dependable switching of auxiliary circuits, allowing automation systems to control signals, interlocks and small electrical loads efficiently. Their compact design makes them ideal for installations where panel space optimisation is essential.
The ABB 1SAH220406R9900 combines a robust auxiliary contact arrangement with reliable DC coil operation, making it suitable for industrial control systems, machine building applications and electrical installations requiring dependable switching performance.
Typical Applications
- Industrial automation control panels.
- Motor control circuits and auxiliary switching.
- Machine building and OEM equipment.
- Building automation systems.
- Electrical distribution control circuits.
- Industrial and commercial control installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 110 V DC | |
| Device Type | Contactor relay | |
| Coil Type | DC | |
| Current AC-1 | 10 A | |
| Manufacturer | ABB | |
| Series | MCRC Mini Contactor Relays | |
| Model | MCRC031ATWJ | |
| Part number | 1SAH220406R9900 | |
| Product type | Mini contactor relay | |
| Contact configuration | 3NO + 1NC | |
| Number of poles | 4 | |
| Control voltage | 110 V DC | |
| Voltage type | DC operated | |
| Rated operational current | 6 A | |
| Rated operational current Ie at 400 V | 4 A | |
| Rated operational voltage | 690 V AC / 440 V DC | |
| Rated insulation voltage Ui | 750 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Thermal current Ith | 10 A | |
| Protection rating | IP20 | |
| Mounting type | DIN rail / wall mounting | |
| Connection type | Screw terminals | |
| Dimensions (H × W × D) | approx. 48 × 45 × 68 mm | |
| Weight | approx. 0.235 kg |
Frequently Asked Questions
What is the ABB 1SAH220406R9900 used for?
This mini contactor relay is used for switching auxiliary control circuits and electrical signals in industrial automation and control systems.
What contact arrangement does this contactor relay have?
The ABB MCRC031ATWJ has a 3NO + 1NC auxiliary contact configuration.
What coil voltage does the ABB 1SAH220406R9900 require?
The contactor relay operates with a 110 V DC control supply.
What current rating does this mini contactor relay support?
The device supports up to 6 A AC-15 operational current for control switching applications.
Where is this contactor relay typically installed?
The ABB MCRC031ATWJ is typically installed inside electrical control panels, automation systems and industrial equipment cabinets.
Trusted by Automation Engineers Worldwide
ABB MCRC mini contactor relays are widely used in industrial automation and control applications where compact dimensions, reliable switching and proven ABB engineering are required.
