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1SAL220342R9901 ABB MC1C400ATWJ Mini Contactor Compact Control Contactor
ABB 1SAL220342R9901 MC1C400ATWJ mini contactor with 110 V DC coil, four normally open contacts and 4 kW AC-3 switching capacity for industrial control applications.
£31.64
Why Choose the ABB 1SAL220342R9901 MC1C400ATWJ Mini Contactor?
The ABB 1SAL220342R9901 is a compact and reliable MC1C400ATWJ mini contactor designed for switching and controlling electrical loads in industrial automation, machinery and control panel applications. As part of the ABB MC1C mini contactor series, it provides a space-saving solution for applications requiring high switching performance, dependable DC coil operation and flexible installation options.
This mini contactor features a dimension-optimised four-pole design with screw terminals, making it ideal where high performance is required but installation space is limited. The ABB MC1C series is suitable for controlling single-phase and three-phase loads in residential, commercial and industrial applications, including loads up to 4 kW AC-3 and 20 A AC-1.
With 4 normally open main contacts, a 110 V DC control coil, and a rated operational power of 4 kW at 400 V AC-3, the ABB 1SAL220342R9901 is suitable for motor switching, electrical loads and industrial control applications requiring compact and reliable contactor technology.
Key Advantages
- Compact mini contactor designed for space-efficient installations.
- 4 kW AC-3 motor switching capability at 400 V.
- 110 V DC control coil with extended operating limits.
- 4 normally open main contacts for flexible switching applications.
- 20 A AC-1 rated operational current for general electrical loads.
- Suitable for industrial automation, machinery and electrical control panels.
Key Features
- ABB MC1C mini contactor series.
- MC1C400ATWJ model.
- 110 V DC control supply.
- 4-pole contactor configuration.
- 4 normally open main contacts.
- 9 A AC-3 rated operational current at 400 V.
- 20 A AC-1 rated operational current at 400 V.
- Screw terminal connection system.
- Suitable for wall or rail mounting installations.
Reliable Switching for Industrial Control Systems
Mini contactors such as the ABB MC1C400ATWJ provide dependable switching for motors, machines and electrical loads. Their compact construction enables efficient panel layouts while maintaining reliable electrical performance in industrial automation systems.
The ABB MC1C series is designed for automation engineers and machine builders requiring compact contactors with flexible mounting, reliable switching capability and long service life. Its extended operating limits coil design allows integration into a wide range of DC control systems.
Typical Applications
- Industrial automation control panels.
- Machine building and OEM equipment.
- Motor control systems.
- Pumps, fans and small motor applications.
- Electrical control cabinets.
- PLC-controlled switching applications.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Current | 9 A | |
| Power | 4 kW | |
| Coil / Supply Voltage | 110 V DC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | None | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC1C Mini Contactors | |
| Model | MC1C400ATWJ | |
| Part number | 1SAL220342R9901 | |
| Product type | Mini contactor | |
| Control voltage | 110 V DC | |
| Main contacts | 4 normally open | |
| Auxiliary contacts | None fitted | |
| Rated operational current AC-1 | 20 A at 400 V | |
| Rated operational current AC-3 | 9 A at 400 V | |
| Rated operational power AC-3 | 4 kW at 400 V | |
| Rated operational current AC-4 | 9 A at 400 V | |
| Rated operational power AC-4 | 4 kW at 400 V | |
| Maximum operating voltage | 690 V AC | |
| Connection type | Screw terminals | |
| Mounting type | Wall / rail mounting | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | approx. 0.25 kg |
Frequently Asked Questions
What is the ABB 1SAL220342R9901 used for?
The ABB 1SAL220342R9901 is a mini contactor used for switching motors, electrical loads and control circuits in industrial automation applications.
What is the coil voltage of this mini contactor?
The MC1C400ATWJ operates with a 110 V DC control coil.
How much motor power can this contactor switch?
The contactor supports motors up to approximately 4 kW at 400 V AC-3.
How many contacts does the ABB MC1C400ATWJ have?
The contactor has 4 normally open main contacts for flexible switching applications.
Where is this contactor typically installed?
The ABB MC1C400ATWJ is typically installed inside electrical control panels, machinery systems and industrial automation equipment.
Trusted by Industrial Automation Engineers
ABB MC1C mini contactors provide compact and reliable switching solutions for industrial automation, machinery and electrical control systems where performance, flexibility and space optimisation are essential.
