Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SAL102021R9911 ABB MC1C301ATWED-RAIL Mini Contactor Compact Control Contactor
ABB MC1C301ATWED-RAIL 1SAL102021R9911 is a three-pole railway mini contactor with a 4 kW AC-3 rating at 400 V, 24–41 V DC control voltage, 3NO main contacts and an integrated 1NC auxiliary contact.
£36.71
Why Choose the ABB MC1C301ATWED-RAIL 1SAL102021R9911 Mini Contactor?
The ABB MC1C301ATWED-RAIL 1SAL102021R9911 is a compact, dimension-optimised three-pole DC-operated mini contactor designed for reliable load switching in railway and industrial electrical systems. It features 3 normally open (NO) main contacts and an integrated 1 normally closed (NC) auxiliary contact, providing power switching and auxiliary signalling within a space-efficient device.
Developed as part of ABB's MC1C-RAIL range, this mini contactor uses screw terminals and is designed for demanding rolling stock applications. It complies with IEC 60947-4-1, IEC 60947-5-1 and IEC 60077-1/-2, with shock and vibration resistance according to IEC 61373 Category 1, Class B.
With a rated operational power of 4 kW at AC-3, 400 V, a rated operational current of 9 A at AC-3, 400 V and an AC-1 rating of 20 A, the MC1C301ATWED-RAIL provides capable switching performance in a compact format. Its DC control voltage range is 24–41 V DC, with a nominal 33 V DC designation, and the contactor is suitable for rail or wall mounting.
Key Advantages
- Compact three-pole mini contactor designed for railway applications.
- 4 kW AC-3 motor rating at 400 V.
- 9 A rated operational current at AC-3, 400 V.
- 20 A AC-1 rating for resistive and general-purpose loads.
- 24–41 V DC control voltage range.
- Integrated 1NC auxiliary contact for signalling and control functions.
Key Features
- ABB MC1C-RAIL mini contactor series.
- 3 normally open main contacts.
- 1 normally closed auxiliary contact.
- 4 kW rated operational power at AC-3, 400 V.
- 9 A rated operational current at AC-3, 400 V.
- 20 A rated operational current at AC-1, 400 V.
- 24–41 V DC control voltage.
- Screw terminal electrical connections.
- Rail or wall mounting.
- Shock and vibration resistance according to IEC 61373 Category 1, Class B.
Compact Switching for Railway and Industrial Systems
Mini contactors provide electrically controlled switching of power loads while occupying less panel space than conventional contactors. The ABB MC1C-RAIL range combines compact dimensions with DC control and robust construction for applications where reliable switching performance and efficient use of installation space are important.
The MC1C301ATWED-RAIL is designed to address the demanding conditions encountered in rolling stock. Its railway-related standards compliance and resistance to shock and vibration make it suitable for electrical equipment installed in rail vehicles, as well as demanding industrial control applications.
Typical Applications
- Railway rolling stock electrical systems.
- Passenger and driver compartment electrical equipment.
- Single-phase and three-phase load switching.
- Three-phase motor control.
- Industrial machinery control.
- Compact electrical control panels.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 24 V | |
| Current | 9 A | |
| Power | 4 kW | |
| Coil / Supply Voltage | 24 V DC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NC | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC1C-RAIL | |
| Model | MC1C301ATWED-RAIL | |
| Order code | 1SAL102021R9911 | |
| Product type | Mini contactor | |
| Main contact configuration | 3NO | |
| Auxiliary contact configuration | 1NC | |
| Rated operational power (AC-3, 400 V) | 4 kW | |
| Rated operational current (AC-3, 400 V) | 9 A | |
| Rated operational current (AC-4, 400 V) | 9 A | |
| Rated operational power (AC-4, 400 V) | 4 kW | |
| Rated operational current (AC-1, 400 V) | 20 A | |
| Control voltage | 24–41 V DC | |
| Nominal control voltage designation | 33 V DC | |
| Operating voltage | 440–690 V AC | |
| Electrical connection | Screw terminals | |
| Mounting type | Rail / wall mounting | |
| Standards | IEC 60947-4-1, IEC 60947-5-1, IEC 60077-1/-2 | |
| Shock and vibration | IEC 61373 Category 1, Class B | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | 0.250 kg | |
| GTIN / EAN | 4013614548055 |
Frequently Asked Questions
What is the ABB MC1C301ATWED-RAIL 1SAL102021R9911 used for?
This mini contactor is designed for switching single-phase or three-phase loads and is particularly suited to railway rolling stock and industrial control applications.
What motor power can the MC1C301ATWED-RAIL control?
The contactor has a rated operational motor power of 4 kW at AC-3, 400 V.
What control voltage does the ABB MC1C301ATWED-RAIL require?
The MC1C301ATWED-RAIL has a 24–41 V DC control voltage range and a nominal 33 V DC designation.
What contacts are included on the MC1C301ATWED-RAIL?
The contactor has 3 normally open main contacts and an integrated 1 normally closed auxiliary contact.
How can the ABB MC1C301ATWED-RAIL be mounted?
The MC1C301ATWED-RAIL is suitable for rail or wall mounting, providing installation flexibility within railway and industrial electrical systems.
ABB Switching Technology for Demanding Applications
ABB MC1C-RAIL mini contactors combine compact dimensions, reliable switching and railway-focused construction for motor control, load switching and electrical control applications where space and dependable operation are critical.
