Why Choose the ABB 1SAL102170R9901 MC1AA00ARJ Mini Contactor?
The ABB 1SAL102170R9901, type MC1AA00ARJ, is a compact and reliable four-pole AC-operated mini contactor designed for switching motors and resistive loads in industrial control systems. As part of the ABB M mini contactor series, it offers dependable switching performance within a space-efficient enclosure.
This contactor incorporates four normally closed main contacts and uses dedicated screw terminals for secure connection of conductors fitted with ring-tongue terminals. Its compact construction and DIN rail compatibility simplify integration into machinery, control panels and industrial automation equipment.
With an IEC AC-3 motor rating of 4 kW at 400 V, an AC-1 operational current rating of 20 A at 400 V and an AC control coil rated for 110–115 V at 50 Hz or 110–120 V at 60 Hz, the MC1AA00ARJ provides a practical switching solution for demanding control applications.
Key Advantages
- Compact four-pole mini contactor for industrial switching applications.
- Four normally closed main contacts for specialised control circuits.
- 4 kW AC-3 motor rating at 400 V.
- 20 A AC-1 operational current rating at 400 V.
- Ring-tongue terminals provide secure connections in vibration-prone applications.
- Suitable for DIN rail installation in compact control assemblies.
Key Features
- ABB M series MC1A mini contactor.
- Four normally closed main contacts.
- 110–115 V AC control voltage at 50 Hz.
- 110–120 V AC control voltage at 60 Hz.
- 5.3 VA average coil consumption at 50 Hz.
- IP20 main and control terminal protection.
- Ring-tongue terminal connections for secure wiring.
- Mechanical durability of up to 10 million operations.
Compact Switching for Industrial Control Systems
Mini contactors such as the ABB MC1AA00ARJ use an electrically energised coil to operate power contacts within machinery and automation circuits. The four normally closed poles open when the coil is energised, making this configuration suitable for isolation, interlocking and specialised load-control functions.
The ABB M series is designed to provide high switching performance in limited installation space. Its durable mechanism, secure ring-tongue connections and compatibility with standard DIN rails support reliable operation in industrial panels and OEM equipment.
Typical Applications
- Industrial machinery control circuits.
- Electrical interlocking and isolation functions.
- Motor and resistive-load switching.
- Automation panels and distribution equipment.
- Applications exposed to vibration or mechanical movement.
- OEM equipment and machine-building projects.
