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.
