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1SAL101645R9902 ABB MC2A400AT1 Mini Contactor Compact Control Contactor
ABB 1SAL101645R9902 MC2A400AT1 four-pole mini contactor with 24 V AC coil, four normally open contacts and 5.5 kW AC-3 motor switching capability.
£27.73
Why Choose the ABB 1SAL101645R9902 Mini Contactor?
The ABB 1SAL101645R9902 is a compact and reliable four-pole mini contactor designed for efficient switching and control of motors, resistive loads and electrical circuits in industrial automation, machinery and control panel applications. As part of the ABB Mini Contactors M series, it provides high switching performance in a space-saving design where dependable operation and reduced installation space are required.
The MC2A400AT1 mini contactor features four normally open main contacts, screw terminals and an AC-operated coil system. Its compact construction makes it suitable for wall or DIN rail mounting, providing a flexible solution for controlling single-phase and three-phase loads in residential, commercial and industrial installations.
With a 24 V AC coil supply at 50 Hz, a 5.5 kW AC-3 motor switching rating at 400 V and a 20 A AC-1 operational current rating, the ABB 1SAL101645R9902 is suitable for compact motor control and electrical switching applications.
Key Advantages
- Compact four-pole mini contactor designed for industrial switching applications.
- Four normally open main contacts for flexible load control.
- 5.5 kW AC-3 motor switching capability at 400 V.
- 24 V AC coil supply for standard control circuits.
- Space-saving design suitable for electrical panels with limited installation space.
- Reliable ABB contactor technology for automation and control systems.
Key Features
- ABB MC2A400AT1 mini contactor.
- 4 normally open main contacts.
- 24 V AC coil voltage at 50 Hz.
- 7.5 hp UL/CSA three-phase motor rating at 480 V.
- 12 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 DIN rail mounting.
Reliable Motor and Load Switching Control
Mini contactors such as the ABB 1SAL101645R9902 provide dependable electromagnetic switching for motors, machines and electrical loads. Their compact design allows engineers to create efficient control solutions while minimising the space required inside electrical enclosures.
The ABB Mini Contactors M series is designed for industrial automation, commercial buildings and machinery applications requiring reliable switching, straightforward wiring and long operational life. The MC2A400AT1 provides a practical solution for controlling small motors and resistive loads up to its rated switching capacity.
Typical Applications
- Industrial automation machinery.
- Motor control panels.
- Pumps, fans and ventilation systems.
- Building automation installations.
- OEM machine control systems.
- Industrial load switching applications.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V, 42–48 V | |
| Power | 5.5 kW | |
| Current | 12 A | |
| Coil / Supply Voltage | 24 V AC, 48 V AC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | None | |
| Coil Type | AC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | Mini Contactors M Series | |
| Model | 1SAL101645R9902 | |
| Product type | Mini contactor | |
| Contactor type | MC2A400AT1 | |
| Main contacts | 4 NO | |
| Control voltage | 24 V AC at 50 Hz / 48 V AC at 60 Hz | |
| Rated operational current AC-1 | 20 A at 400 V | |
| Rated operational current AC-3 | 12 A at 400 V | |
| Rated operational power AC-3 | 5.5 kW at 400 V | |
| Rated operational power AC-4 | 4 kW at 400 V | |
| Rated insulation voltage | 750 V | |
| Rated impulse withstand voltage | 6 kV | |
| Protection rating | IP20 | |
| Mounting type | Wall or DIN rail mounting | |
| Connection type | Screw terminals | |
| Dimensions (H × W × D) | 48 × 45 × 56 mm | |
| Weight | approx. 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAL101645R9902 used for?
The ABB 1SAL101645R9902 is a mini contactor used for switching and controlling motors, resistive loads and electrical circuits in industrial and automation applications.
What coil voltage does the ABB 1SAL101645R9902 require?
The contactor operates with a 24 V AC coil supply at 50 Hz.
How much motor power can this contactor switch?
The contactor supports motors up to 5.5 kW at 400 V AC-3.
How many main contacts are included?
The ABB 1SAL101645R9902 includes four normally open main contacts.
Where is this mini contactor installed?
The contactor is typically installed in electrical control panels, machinery and automation systems using screw terminals and wall or DIN rail mounting.
Trusted by Automation Professionals Worldwide
ABB mini contactors are widely used by electrical engineers and machine builders to provide reliable switching, compact installation and efficient control of industrial and commercial electrical systems.
