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1SAL220371R9901 ABB MC1C310ATWJ Mini Contactor Compact Control Contactor
ABB 1SAL220371R9901 MC1C310ATWJ mini contactor with 110 V DC extended operating limits coil, three normally open contacts and 4 kW AC-3 switching capability for industrial automation applications.
£29.80
Why Choose the ABB 1SAL220371R9901 MC1C310ATWJ Mini Contactor?
The ABB 1SAL220371R9901 is a compact and reliable MC1C310ATWJ mini contactor designed for efficient switching of electrical loads in industrial automation, machinery and control panel applications. As part of the ABB MC1C mini contactor series, it provides dependable DC coil operation, space-saving installation and reliable performance for motor control and industrial switching systems.
This mini contactor features a three-pole configuration with an integrated auxiliary contact and extended operating limits coil technology. The compact construction, screw terminals and flexible mounting options make it suitable for modern electrical control systems where reliability and reduced panel space are important.
With a rated operational power of 4 kW at AC-3, 400 V, a 110 V DC control supply and three normally open main contacts, the ABB MC1C310ATWJ is ideal for compact motor control and automation applications requiring dependable switching performance.
Key Advantages
- Compact mini contactor designed for space-saving installations.
- 110 V DC extended operating limits coil for flexible control applications.
- 4 kW AC-3 motor switching capability at 400 V.
- Three normally open main contacts for reliable load switching.
- Integrated one normally open auxiliary contact for control feedback.
- Suitable for industrial automation, machinery and electrical control panels.
Key Features
- ABB MC1C mini contactor series.
- MC1C310ATWJ contactor type.
- 110 V DC control voltage.
- 3-pole main contact configuration.
- 3 NO main contacts.
- 1 NO auxiliary contact.
- 9 A AC-3 rated operational current at 400 V.
- 20 A AC-1 rated operational current at 400 V.
- Extended operating limits coil technology.
- Screw terminal connections for simple installation.
Reliable Switching for Industrial Automation
Mini contactors such as the ABB MC1C310ATWJ provide dependable switching of motors, electrical loads and control circuits while maintaining a compact installation footprint. Their optimised construction enables engineers to integrate reliable switching components into smaller electrical cabinets and automation systems.
The ABB MC1C series is designed for controlling small motors and resistive loads, with three main poles, integrated auxiliary contacts and compatibility with additional accessories for flexible system design.
Typical Applications
- Industrial automation and machine control systems.
- Motor switching applications.
- Electrical control panels and cabinets.
- PLC-controlled switching systems.
- OEM machinery and industrial equipment.
- Compact motor control applications.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Current | 9 A | |
| Power | 4 kW | |
| Coil / Supply Voltage | 110 V DC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NO | |
| Coil Type | DC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC1C Mini Contactors | |
| Model | MC1C310ATWJ | |
| Part number | 1SAL220371R9901 | |
| Product type | Mini contactor | |
| Control voltage | 110 V DC | |
| Coil type | Extended operating limits DC coil | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 1 NO | |
| 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 | |
| Rated insulation voltage | 690 V | |
| Connection type | Screw terminals | |
| Mounting type | Wall or rail mounting | |
| Weight | approx. 0.25 kg |
Frequently Asked Questions
What is the ABB 1SAL220371R9901 used for?
The ABB 1SAL220371R9901 is an MC1C310ATWJ mini contactor used for switching motors, electrical loads and control circuits in industrial automation applications.
What coil voltage does this mini contactor require?
The contactor operates with a 110 V DC control supply using an extended operating limits coil.
How much motor power can the ABB MC1C310ATWJ switch?
The contactor supports up to 4 kW at AC-3, 400 V for motor switching applications.
How many main contacts are included?
The ABB MC1C310ATWJ includes three normally open main contacts and one normally open auxiliary contact.
Where is this contactor typically installed?
The contactor is typically installed inside electrical control panels using wall or rail mounting arrangements.
Trusted by Automation Engineers Worldwide
ABB MC1C mini contactors are widely used by automation engineers and machine builders to deliver compact, reliable switching performance in modern industrial systems.
