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.
1SAL102620R9901 ABB MC1A310AT4 Mini Contactor Compact Control Contactor
ABB 1SAL102620R9901 MC1A310AT4 three-pole AC-operated mini contactor with a 4 kW AC-3 rating at 400 V, one normally open auxiliary contact and a 120 V AC coil.
£21.48
Why Choose the ABB 1SAL102620R9901 MC1A310AT4 Mini Contactor?
The ABB 1SAL102620R9901, type MC1A310AT4, is a compact and reliable three-pole AC-operated mini contactor designed for controlling single-phase and three-phase loads in residential, commercial and industrial applications. As part of the ABB M mini contactor series, it provides high switching performance where installation space is limited.
This contactor incorporates three normally open main contacts and one normally open auxiliary contact for control signalling. Screw terminals provide straightforward conductor connection, while compatibility with wall and DIN rail mounting supports flexible installation in machinery and compact electrical control panels.
With an IEC AC-3 motor rating of 4 kW at 400 V, an AC-1 operational current rating of 20 A at up to 690 V and a 120 V AC, 50/60 Hz control coil, the MC1A310AT4 is a practical solution for motor switching, load control and industrial automation.
Key Advantages
- Compact mini contactor designed for motor and load control.
- 4 kW AC-3 motor rating at 400 V.
- 20 A AC-1 operational current rating at up to 690 V.
- Three normally open main contacts with one integrated normally open auxiliary contact.
- 120 V AC, 50/60 Hz coil for common industrial control supplies.
- Suitable for wall or DIN rail mounting in space-constrained assemblies.
Key Features
- ABB M series MC1A mini contactor.
- Three normally open main contacts.
- One normally open auxiliary contact.
- 9 A AC-3 rated operational current at 400 V.
- 120 V AC rated control-circuit voltage.
- IP20 terminal protection.
- Maximum AC-3 switching frequency of 1,200 cycles per hour.
- Mechanical durability of 10 million operating cycles.
Compact Switching for Motor Control and Automation
Mini contactors such as the ABB MC1A310AT4 use an electrically energised coil to switch power circuits connected to motors and other electrical loads. Its three normally open main contacts make it suitable for controlling three-phase equipment, while the integrated auxiliary contact can provide signalling or interlocking within the control circuit.
The compact ABB M series is designed for applications requiring dependable performance with minimal panel-space consumption. Its high mechanical durability, flexible mounting options and established industrial ratings support reliable integration into modern control systems.
Typical Applications
- Small three-phase motor control circuits.
- Pumps, fans and conveyor systems.
- Industrial machinery and automation equipment.
- Residential and commercial building services.
- Compact motor starters and control panels.
- OEM equipment and machine-building applications.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Screw | |
|---|---|---|
| Poles | 3-pole | |
| Device Type | Mini contactor | |
| Auxiliary Contacts | 1NO | |
| Coil Type | AC | |
| Current AC-1 | 20 A | |
| Manufacturer | ABB | |
| Series | M Mini Contactors | |
| Model | MC1A310AT4 | |
| Order code | 1SAL102620R9901 | |
| Product type | AC-operated mini contactor | |
| Number of poles | 3 | |
| Main contacts | 3 normally open | |
| Auxiliary contacts | 1 normally open | |
| Rated operational power | 4 kW at 400 V, AC-3 | |
| Rated operational current | 9 A at 400 V, AC-3 | |
| Conventional free-air thermal current | 20 A main circuit / 16 A auxiliary circuit | |
| Rated operational voltage | 690 V AC / 440 V DC | |
| Rated insulation voltage | 750 V | |
| Rated impulse withstand voltage | 6 kV | |
| Rated control voltage | 120 V AC | |
| Control frequency | 50 / 60 Hz | |
| Protection rating | IP20 at main, auxiliary and control terminals | |
| Terminal type | Screw terminals | |
| Mounting type | Wall or TH35-7.5 / TH35-15 DIN rail mounting | |
| Operating temperature | -40 to +55 °C | |
| Maximum operating altitude | 3,000 m | |
| Dimensions (W × H × D) | 45 × 48 × 56 mm | |
| Weight | 0.17 kg |
Frequently Asked Questions
What is the ABB 1SAL102620R9901 used for?
This mini contactor controls single-phase or three-phase loads and switches control signals in residential, commercial and industrial applications.
What motor power is supported by the MC1A310AT4?
The contactor has an IEC AC-3 rated operational power of 4 kW at 400 V.
What control voltage does this contactor require?
The MC1A310AT4 uses a 120 V AC control supply at 50 or 60 Hz.
What contacts are built into the MC1A310AT4?
It has three normally open main contacts and one normally open auxiliary contact.
How can the ABB MC1A310AT4 be installed?
The contactor is suitable for wall mounting or installation on a TH35-7.5 or TH35-15 DIN rail.
Trusted Industrial Control from ABB
ABB M series mini contactors provide compact and durable switching for machine builders, panel manufacturers and automation engineers working with motor and load-control systems.
