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1SAH220444R9900 ABB MCRC013ATWD Mini Contactor Relay 1NO 3NC Control Relay
ABB 1SAH220444R9900 MCRC013ATWD is a four-pole DC-operated mini contactor relay with 1NO + 3NC contacts, a 24 V DC control supply and 6 A AC-15 switching capability at 240 V AC.
£34.47
Why Choose the ABB MCRC013ATWD Mini Contactor Relay?
The ABB 1SAH220444R9900, type MCRC013ATWD, is a compact four-pole mini contactor relay designed for switching control signals and small electrical loads in residential, commercial and industrial applications. Part of ABB’s MCRC range, it provides reliable auxiliary switching performance in a space-saving design where control-panel space is limited.
The MCRC013ATWD features one normally open and three normally closed contacts (1NO + 3NC) and a DC-operated control circuit. Its extended operating-limits coil is rated for a 24 V DC control supply, while screw-terminal connections provide secure wiring for automation and control installations.
Designed for switching control signals up to 6 A at 240 V AC in AC-15 applications, the MCRC013ATWD combines compact dimensions with flexible installation options. It is suitable for wall or rail mounting and provides a practical solution where high switching performance is required but available panel space is restricted.
Key Advantages
- Compact four-pole mini contactor relay for control applications.
- 1NO + 3NC contact configuration provides flexible auxiliary switching.
- 24 V DC control supply with extended operating limits.
- Suitable for switching control signals up to 6 A at 240 V AC (AC-15).
- Screw-terminal connections for reliable electrical installation.
- Suitable for wall or rail mounting in compact control assemblies.
Key Features
- ABB MCRC mini contactor relay range.
- MCRC013ATWD product type.
- Four-pole contactor relay.
- 1NO + 3NC auxiliary contact configuration.
- 24 V DC rated control circuit voltage.
- DC-operated control circuit.
- 6 A AC-15 switching capability at 240 V AC.
- 10 A conventional free-air thermal current.
- Extended operating-limits coil.
- Screw-terminal connections.
- Suitable for rail or wall mounting.
Compact Auxiliary Switching for Control Systems
Mini contactor relays such as the ABB MCRC013ATWD provide electrically operated auxiliary contacts for switching control signals and small electrical loads. The combination of one normally open and three normally closed contacts allows multiple control functions to be managed from a single compact relay.
The ABB MCRC range combines compact dimensions with dependable switching performance, making these relays suitable for industrial automation, machinery control and building electrical systems where efficient use of panel space is important.
Typical Applications
- Industrial machinery control circuits.
- Automation and control panels.
- Building-control systems.
- Commercial electrical installations.
- Switching of control signals and small electrical loads.
- OEM machinery and compact electrical assemblies.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | DC | |
| Coil Voltage Range | 24 V | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Contactor relay | |
| Current AC-1 | 10 A | |
| Manufacturer | ABB | |
| Series | MCRC | |
| Model | MCRC013ATWD | |
| ABB order code | 1SAH220444R9900 | |
| Product type | Mini contactor relay | |
| Number of poles | 4 | |
| Contact configuration | 1NO + 3NC | |
| Rated control supply voltage | 24 V DC | |
| Control circuit | DC operated | |
| AC-15 switching capability | Up to 6 A at 240 V AC | |
| Conventional free-air thermal current | 10 A | |
| Auxiliary circuit rated operational voltage | 690 V AC / 440 V DC | |
| Connection type | Screw terminals | |
| Mounting type | Wall or rail mounting | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | 0.235 kg |
Frequently Asked Questions
What is the ABB 1SAH220444R9900?
The ABB 1SAH220444R9900 is the order code for the MCRC013ATWD four-pole mini contactor relay, designed for switching control signals and small electrical loads.
What contact configuration does the ABB MCRC013ATWD have?
The MCRC013ATWD has one normally open and three normally closed contacts (1NO + 3NC).
What control voltage does the ABB MCRC013ATWD require?
The MCRC013ATWD uses a 24 V DC control supply with an extended operating-limits coil.
What is the switching capability of the ABB MCRC013ATWD?
The mini contactor relay is rated for 6 A at 240 V AC in AC-15 applications.
How is the ABB MCRC013ATWD installed?
The relay is suitable for wall or rail mounting and uses screw-terminal connections.
Trusted Control Technology from ABB
ABB MCRC mini contactor relays provide compact auxiliary switching solutions for control and signalling circuits, combining reliable performance with flexible installation options for industrial and commercial electrical systems.
