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1SAL102111R9912 ABB MC2CB00ATWED-RAIL Mini Contactor Compact Control Contactor
ABB 1SAL102111R9912 MC2CB00ATWED-RAIL mini contactor with 2NO+2NC contacts and 24–41 V DC coil supply for industrial and rail applications.
£38.90
Why Choose the ABB 1SAL102111R9912 MC2CB00ATWED-RAIL Mini Contactor?
The ABB 1SAL102111R9912 is a compact MC2CB00ATWED-RAIL mini contactor designed for reliable switching of electrical loads, motors and control signals in industrial, commercial and railway applications. As part of the ABB MC2C-RAIL mini contactor range, it provides a space-saving solution where dependable performance and robust installation are required.
Featuring a 4-pole configuration with 2 normally open (NO) and 2 normally closed (NC) main contacts, the MC2CB00ATWED-RAIL is suitable for controlling single-phase and three-phase loads up to 7.5 kW at AC-3 and 20 A at AC-1. The compact design, screw terminal connections and rail-approved construction allow reliable integration into electrical control systems.
With a 24–41 V DC coil supply, the ABB 1SAL102111R9912 provides reliable DC-operated contactor control for automation systems, machinery and applications requiring resistance to shock and vibration.
Key Advantages
- Compact rail-approved mini contactor for demanding applications.
- 4-pole 2NO+2NC contact arrangement for flexible switching.
- 7.5 kW AC-3 motor switching capability at 400 V.
- 20 A AC-1 rated current for general load switching.
- 24–41 V DC coil operation for DC control systems.
- Suitable for applications requiring enhanced shock and vibration resistance.
Key Features
- ABB MC2CB00ATWED-RAIL mini contactor.
- 2 normally open main contacts.
- 2 normally closed main contacts.
- 24–41 V DC coil voltage.
- DC-operated contactor design.
- Screw terminal connections.
- Rail-approved construction.
- Compact 45 mm wide format.
Reliable Switching for Industrial and Railway Systems
Mini contactors provide efficient switching of motors, electrical loads and control circuits while maintaining a compact installation footprint. The ABB MC2CB00ATWED-RAIL is designed for applications where reliability, durability and space efficiency are essential.
Its rail-approved construction supports use in industrial machinery, automation equipment and transport-related electrical systems where dependable switching performance is required.
Typical Applications
- Railway and rolling stock equipment.
- Industrial automation systems.
- Machine control panels.
- Motor switching applications.
- Transportation electrical systems.
- DC control circuits requiring compact contactors.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V, 42–48 V | |
| Current | 17 A | |
| Power | 7.5 kW | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Mini contactor | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Model | 1SAL102111R9912 | |
| Product type | Mini contactor | |
| Series | MC2C-RAIL mini contactors | |
| Type code | MC2CB00ATWED-RAIL | |
| Main contact configuration | 2NO + 2NC | |
| Number of poles | 4 | |
| Coil / Supply Voltage | 24–41 V DC | |
| Rated operational current AC-1 | 20 A at 400 V | |
| Rated operational current AC-3 | 17 A at 400 V | |
| Rated operational power AC-3 | 7.5 kW at 400 V | |
| Rated operational power AC-4 | 4 kW at 400 V | |
| Rated insulation voltage | 690 V | |
| Mounting type | Rail / wall mounting | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | approx. 0.25 kg |
Frequently Asked Questions
What is the ABB 1SAL102111R9912 used for?
The ABB 1SAL102111R9912 is a rail-approved mini contactor used for switching electrical loads, motors and control signals in industrial applications.
What contact configuration does the MC2CB00ATWED-RAIL provide?
The MC2CB00ATWED-RAIL provides a 4-pole 2NO+2NC contact configuration.
What coil voltage does the ABB 1SAL102111R9912 require?
The contactor operates with a 24–41 V DC coil supply.
What motor power can the MC2CB00ATWED-RAIL switch?
The contactor can switch motors up to 7.5 kW at 400 V AC-3.
How is the ABB MC2CB00ATWED-RAIL installed?
The mini contactor supports rail or wall mounting and uses screw terminal connections.
Trusted for Compact Switching Solutions
ABB rail-approved mini contactors provide reliable, space-saving switching solutions for automation engineers, machine builders and transport system designers.
