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1SAL103412R9902 ABB MC2A310AR1 Mini Contactor Compact Control Contactor
ABB 1SAL103412R9902 MC2A310AR1 is a three-pole mini contactor with three normally open main contacts, one normally open auxiliary contact and a 24 V AC control supply.
£29.75
Why Choose the ABB MC2A310AR1 Mini Contactor?
The ABB 1SAL103412R9902, type MC2A310AR1, is a compact three-pole mini contactor designed for controlling single-phase and three-phase loads in residential, commercial and industrial electrical applications. Its dimension-optimised construction provides reliable switching performance where high performance is required but available panel space is limited.
The MC2A310AR1 features three normally open main contacts and one normally open auxiliary contact (3NO + 1NO). Its 24 V AC control circuit and special screw terminals designed for ring-tongue ferrules provide a secure connection solution for automation systems, machinery and electrical control installations.
With suitability for controlling loads up to 5.5 kW in AC-3 applications and switching up to 20 A at 690 V AC in AC-1 applications, the MC2A310AR1 provides a compact alternative to larger contactors. Its wall or rail mounting capability allows flexible installation inside control panels and electrical assemblies.
Key Advantages
- Compact three-pole mini contactor for motor and control applications.
- 3NO main contacts plus 1NO auxiliary contact for control flexibility.
- 24 V AC control supply for standard AC control systems.
- Suitable for motor loads up to 5.5 kW in AC-3 duty.
- Supports switching loads up to 20 A at 690 V AC in AC-1 duty.
- Special screw terminals support secure connection using ring-tongue ferrules.
Key Features
- ABB MC2 mini contactor range.
- MC2A310AR1 product type.
- Three-pole contactor design.
- 3NO main contact configuration.
- 1NO auxiliary contact.
- 24 V AC rated control circuit voltage.
- AC-operated control circuit.
- Suitable for single-phase and three-phase load control.
- Special screw terminals for ring-tongue ferrules.
- Suitable for wall or rail mounting.
Reliable Switching for Motor and Control Applications
Mini contactors such as the ABB MC2A310AR1 provide electrically controlled switching for motors and electrical loads while maintaining a compact installation footprint. The three main contacts allow control of three-phase loads, while the auxiliary contact provides an additional switching function for control circuits.
The ABB MC2 series combines robust contactor technology with compact dimensions, making these devices suitable for industrial automation, machinery control and commercial electrical systems where efficient use of panel space is important.
Typical Applications
- Industrial machinery motor control.
- Automation and control panels.
- Commercial building electrical systems.
- OEM machinery assemblies.
- Single-phase and three-phase load switching.
- Electrical control and switching circuits.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Ring tongue | |
|---|---|---|
| Coil Type | AC | |
| Power | 5.5 kW | |
| Coil Voltage Range | 24 V | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 24 V AC | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NO | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | MC2 | |
| Model | MC2A310AR1 | |
| ABB order code | 1SAL103412R9902 | |
| Product type | Mini contactor | |
| Number of poles | 3 | |
| Main contact configuration | 3NO | |
| Auxiliary contact configuration | 1NO | |
| Rated control supply voltage | 24 V AC | |
| Control circuit | AC operated | |
| AC-3 motor power rating | Up to 5.5 kW | |
| AC-1 switching current | 20 A at 690 V AC | |
| AC-15 switching capability | Up to 6 A at 240 V AC | |
| Conventional free-air thermal current | 20 A | |
| Connection type | Special screw terminals for ring-tongue ferrules | |
| Mounting type | Wall or rail mounting | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | 48 × 45 × 68 mm | |
| Weight | 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAL103412R9902?
The ABB 1SAL103412R9902 is the order code for the MC2A310AR1 three-pole mini contactor, designed for controlling motors and electrical loads in compact control systems.
What contact configuration does the ABB MC2A310AR1 have?
The MC2A310AR1 has three normally open main contacts and one normally open auxiliary contact (3NO + 1NO).
What control voltage does the ABB MC2A310AR1 require?
The MC2A310AR1 uses a 24 V AC control supply.
What motor power can the ABB MC2A310AR1 control?
The mini contactor is suitable for controlling loads up to 5.5 kW in AC-3 applications.
How is the ABB MC2A310AR1 installed?
The mini contactor is suitable for wall or rail mounting and uses special screw terminals for ring-tongue ferrule connections.
Trusted Control Technology from ABB
ABB MC2 mini contactors provide compact and reliable switching solutions for motor control, automation systems and electrical installations where performance and efficient use of panel space are required.
