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1SAL100569R9901 ABB MC1K400ATD Mini Contactor Compact Control Contactor
ABB MC1K400ATD mini contactor with four normally open contacts and a 24 V DC low-energy coil designed for industrial switching applications.
£33.08
Why Choose the ABB MC1K400ATD Mini Contactor?
The ABB MC1K400ATD is a compact and efficient mini contactor designed for reliable switching of electrical loads and control signals in industrial automation, commercial installations and machine-building applications. Featuring a four-pole configuration with 4 normally open (NO) contacts, it provides dependable switching performance where space-efficient installation is required.
Part of the ABB MC1K mini contactor range, the MC1K400ATD combines a compact design with a low energy consumption 24 V DC coil that allows direct control from PLC outputs. Its screw terminal construction and wall or DIN rail mounting capability make it suitable for modern electrical control panels.
With a 24 V DC coil supply, the MC1K400ATD is suitable for controlling single-phase and three-phase loads up to 4 kW AC-3 and switching applications up to 20 A / 690 V AC in AC-1 utilisation categories.
Key Advantages
- Compact ABB mini contactor designed for space-saving installations.
- Four normally open (4NO) main contacts for flexible switching applications.
- 24 V DC low-energy coil suitable for direct PLC control.
- Suitable for industrial automation and machine control systems.
- Wall or DIN rail mounting options for flexible installation.
- Reliable ABB construction for commercial and industrial applications.
Key Features
- ABB MC1K mini contactor series.
- MC1K400ATD model.
- 4 normally open (NO) main contacts.
- 24 V DC control coil.
- 20 A conventional free-air thermal current.
- Up to 4 kW AC-3 motor switching capability.
- Up to 690 V AC operational voltage.
- Screw terminal connection technology.
- Suitable for wall or DIN rail mounting.
Reliable Switching for Industrial Control Systems
Mini contactors such as the ABB MC1K400ATD provide dependable switching of electrical loads while reducing the space required inside control cabinets. Their compact construction and low-energy coil technology make them ideal for PLC-controlled automation equipment.
The ABB MC1K series is designed for efficient integration into modern industrial systems, providing reliable switching performance for machinery, control panels and automation applications.
Typical Applications
- Industrial automation control panels.
- PLC-controlled switching systems.
- Machine building and OEM equipment.
- Motor control applications.
- Single-phase and three-phase load switching.
- Commercial and industrial electrical installations.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Power | 4 kW | |
| Poles | 4-pole | |
| Device Type | Mini contactor | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC1K Mini Contactors | |
| Model | MC1K400ATD | |
| Order code | 1SAL100569R9901 | |
| Product type | Mini contactor | |
| Main contact configuration | 4NO | |
| Number of poles | 4 | |
| Rated control voltage | 24 V DC | |
| Coil consumption | 2 W | |
| Rated operational voltage | Up to 690 V AC | |
| Conventional free-air thermal current | 20 A | |
| AC-3 motor power rating | Up to 4 kW | |
| Protection rating | IP20 | |
| Mounting type | Wall or DIN rail mounting | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 46 × 45 × 49 mm | |
| Weight | approx. 0.255 kg | |
| Standards | IEC/EN 60947-1 and IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the ABB MC1K400ATD used for?
The ABB MC1K400ATD is a mini contactor used for switching electrical loads and control signals in industrial automation and electrical control systems.
What coil voltage does the MC1K400ATD require?
The MC1K400ATD uses a 24 V DC coil supply with low energy consumption suitable for PLC control.
What contact arrangement does this contactor have?
The MC1K400ATD has a four-pole configuration with 4 normally open (NO) contacts.
What load rating does the ABB MC1K400ATD support?
The contactor supports loads up to 4 kW AC-3 and up to 20 A / 690 V AC in AC-1 applications.
How is the MC1K400ATD installed?
The MC1K400ATD can be installed using wall mounting or DIN rail mounting methods.
Trusted by Industrial Automation Professionals
ABB mini contactors are widely used in automation and electrical control systems where compact design, low energy consumption and reliable switching are required.
