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1SAL247475R9912 ABB MC2C400ATWDD-RAIL Mini Contactor Compact Control Contactor
ABB MC2C400ATWDD-RAIL mini contactor with 4 normally open contacts and 17–30 V DC control supply for industrial switching applications.
£38.90
Why Choose the ABB MC2C400ATWDD-RAIL Mini Contactor?
The ABB 1SAL247475R9912 MC2C400ATWDD-RAIL is a compact and reliable mini contactor designed for switching and controlling electrical loads in industrial automation, machinery and railway applications. As part of the advanced ABB MC2C-Rail mini contactor series, it provides dependable operation where compact dimensions, DC control and high mechanical endurance are required.
This mini contactor combines a space-saving design with robust switching performance, making it suitable for control panels and equipment where installation space is limited. The MC2C-Rail series is developed to meet demanding industrial and rolling stock requirements, including resistance to shock and vibration.
With 4 normally open main contacts, a 17–30 V DC control supply and a rated operational current of 12 A at 400 V AC in AC-3 applications, the ABB MC2C400ATWDD-RAIL is suitable for controlling motors and electrical loads up to 5.5 kW in industrial and transport applications.
Key Advantages
- Compact mini contactor designed for industrial switching applications.
- 4-pole normally open contact configuration for flexible load control.
- 17–30 V DC coil control for automation and control systems.
- 5.5 kW AC-3 motor switching capability at 400 V.
- Suitable for demanding applications requiring shock and vibration resistance.
- DIN rail or panel mounting options for flexible installation.
Key Features
- ABB MC2C-Rail mini contactor series.
- MC2C400ATWDD-RAIL model.
- 4 NO main contacts and 0 NC main contacts.
- 17–30 V DC control circuit voltage.
- 20 A conventional thermal current (Ith).
- 12 A AC-3 rated operational current at 400 V.
- 5.5 kW AC-3 rated operational power at 400 V.
- Screw terminal connections for reliable wiring.
- High mechanical durability up to 10 million operations.
Reliable Switching for Industrial Automation
Mini contactors such as the ABB MC2C400ATWDD-RAIL provide dependable electrical switching for motors, control circuits and industrial loads. Their compact construction allows engineers to build smaller control panels while maintaining reliable switching performance.
The ABB MC2C-Rail series is designed for applications where long service life, mechanical strength and compliance with industrial standards are essential. Its resistance to shock and vibration makes it suitable for challenging automation and transport environments.
Typical Applications
- Industrial automation control panels.
- Motor switching and control systems.
- Railway and rolling stock applications.
- Machine building and OEM equipment.
- Control circuits and electrical distribution systems.
- Industrial equipment requiring compact contactors.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Power | 5.5 kW | |
| Current | 12 A | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | None | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC2C-Rail Mini Contactors | |
| Model | MC2C400ATWDD-RAIL | |
| Part number | 1SAL247475R9912 | |
| Product type | Mini contactor | |
| Main contacts | 4 NO | |
| Auxiliary contacts | 0 NO / 0 NC | |
| Control voltage | 17–30 V DC | |
| Rated operational voltage | Up to 690 V AC | |
| Rated operational current AC-1 | 20 A | |
| Rated operational current AC-3 | 12 A at 400 V AC | |
| Rated operational power AC-3 | 5.5 kW at 400 V AC | |
| Poles | 4P | |
| Mounting type | DIN rail / panel mounting | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 48 × 45 × 68 mm | |
| Weight | approx. 0.25 kg |
Frequently Asked Questions
What is the ABB MC2C400ATWDD-RAIL used for?
The ABB MC2C400ATWDD-RAIL is a mini contactor used for switching motors and electrical loads in industrial automation, machinery and railway applications.
What control voltage does this mini contactor require?
The contactor operates with a 17–30 V DC control supply.
How many main contacts does the MC2C400ATWDD-RAIL have?
The contactor has four normally open main contacts with no normally closed main contacts.
What motor power can this contactor switch?
The ABB MC2C400ATWDD-RAIL can switch motors up to approximately 5.5 kW at 400 V AC in AC-3 duty.
Where is this mini contactor typically installed?
The contactor is typically installed in industrial control panels, automation systems and equipment requiring compact switching solutions.
Trusted by Industrial Automation Engineers
ABB MC2C-Rail mini contactors are used by automation engineers and equipment manufacturers to deliver reliable switching performance, compact installation and long service life in demanding industrial applications.
