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1SAL102121R9911 ABB MC1C301ARWDD-RAIL Mini Contactor Compact Control Contactor
ABB 1SAL102121R9911 MC1C301ARWDD-RAIL mini contactor with 17–30 V DC coil, three main contacts and 4 kW AC-3 switching capability for industrial and railway applications.
£34.07
Why Choose the ABB 1SAL102121R9911 MC1C301ARWDD-RAIL Mini Contactor?
The ABB 1SAL102121R9911 is a compact and reliable MC1C301ARWDD-RAIL mini contactor designed for switching and controlling electrical loads in industrial automation, rolling stock and demanding transport applications. As part of the ABB MC1C-Rail mini contactor series, it provides high performance in a space-saving design with enhanced resistance to shock, vibration and harsh operating conditions.
This rail-approved mini contactor features a three-pole configuration with an integrated auxiliary contact and special screw terminals designed for ring tongue ferrule connections. It is suitable for controlling single-phase and three-phase loads up to 690 V AC in industrial and railway applications where reliable switching and compact installation are required.
With a 17–30 V DC control coil, three normally open main contacts, one normally closed auxiliary contact and an AC-3 rated operational power of 4 kW at 400 V, the ABB 1SAL102121R9901 provides dependable motor switching capability for compact control panels and rail applications.
Key Advantages
- Compact railway-approved mini contactor design for space-saving installations.
- 4 kW AC-3 motor switching capability at 400 V.
- Three-pole main contact configuration for industrial load control.
- 17–30 V DC control coil suitable for modern automation systems.
- Special screw terminals for ring tongue ferrule connections.
- Designed for applications requiring enhanced shock and vibration resistance.
Key Features
- ABB MC1C301ARWDD-RAIL mini contactor.
- 3 normally open main contacts.
- 1 normally closed auxiliary contact.
- 17–30 V DC control voltage.
- 9 A AC-3 rated operational current at 400 V.
- 20 A AC-1 rated operational current at 400 V.
- Integrated auxiliary contact.
- Ring tongue ferrule compatible screw terminals.
- Suitable for rail or wall mounting.
- Designed according to railway application standards.
Reliable Switching for Industrial and Railway Systems
Mini contactors such as the ABB MC1C301ARWDD-RAIL provide reliable switching of motors, machines and electrical loads while maintaining a compact footprint. Their robust construction allows dependable operation in applications exposed to mechanical stress, vibration and demanding environmental conditions.
The ABB MC1C-Rail series is designed for automation engineers, panel builders and transport system designers requiring compact contactor solutions that comply with railway industry requirements. Its DC coil operation, integrated auxiliary contact and flexible mounting options support modern control applications.
Typical Applications
- Railway and rolling stock electrical systems.
- Industrial automation control panels.
- Machine control and OEM equipment.
- Single-phase and three-phase load switching.
- Transport infrastructure applications.
- General industrial switching applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Ring tongue | |
|---|---|---|
| Current | 9 A | |
| Power | 4 kW | |
| Poles | 3-pole | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NC | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC1C-Rail Mini Contactors | |
| Model | MC1C301ARWDD-RAIL | |
| Part number | 1SAL102121R9911 | |
| Product type | Rail mini contactor | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 1 NC | |
| Rated control voltage | 17–30 V DC | |
| Rated operational voltage | up to 690 V AC | |
| Rated operational current AC-1 | 20 A at 400 V | |
| Rated operational current AC-3 | 9 A at 400 V | |
| Rated operational power AC-3 | 4 kW at 400 V | |
| Rated operational current AC-4 | 9 A at 400 V | |
| Number of poles | 3P | |
| Mounting type | DIN rail / wall mounting | |
| Terminal type | Screw terminals for ring tongue ferrules | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | approx. 0.25 kg |
Frequently Asked Questions
What is the ABB 1SAL102121R9911 used for?
The ABB 1SAL102121R9911 is a rail-mounted mini contactor used for switching motors and electrical loads in industrial automation and railway applications.
What is the model number of ABB 1SAL102121R9911?
The ABB 1SAL102121R9911 corresponds to the MC1C301ARWDD-RAIL mini contactor.
What coil voltage does this contactor require?
The MC1C301ARWDD-RAIL operates with a 17–30 V DC control supply.
What motor power can this contactor switch?
The contactor supports up to 4 kW AC-3 rated operational power at 400 V.
How many contacts does the ABB MC1C301ARWDD-RAIL have?
The contactor has three normally open main contacts and one normally closed auxiliary contact.
Trusted by Industrial Automation Professionals
ABB MC1C-Rail mini contactors are widely used by engineers and system builders to deliver reliable switching performance, compact installation and dependable operation in demanding industrial and transport environments.
