Why Choose the ABB 1SAH102179R9900 Mini Contactor Relay?
The ABB 1SAH102179R9900 is a compact and reliable mini contactor relay (auxiliary contactor) designed for switching control signals and small electrical loads in industrial automation, commercial installations and electrical control systems. As part of the advanced ABB MCRA mini contactor relay series, it provides dependable auxiliary switching performance in a space-saving four-pole design with ring tongue ferrule screw terminals.
This mini contactor relay is engineered for applications where high performance is required but installation space is limited. The MCRA series features dimension-optimised four-pole construction, screw terminals designed for ring cable lug connections and flexible mounting options, making it suitable for residential, commercial and industrial control applications.
With a 110–115 V AC coil supply at 50 Hz, 110–120 V AC coil supply at 60 Hz and 4 normally open auxiliary contacts, the ABB 1SAH102179R9900 is ideal for automation panels, electrical control systems and applications requiring reliable auxiliary switching.
Key Advantages
- Compact mini contactor relay designed for control applications.
- 4NO auxiliary contact configuration for flexible circuit control.
- 110–115 V AC coil voltage at 50 Hz suitable for industrial control systems.
- Special screw terminals for ring tongue ferrule connections.
- Space-saving four-pole design for compact electrical installations.
- Suitable for switching control signals up to 6 A / 240 V AC-15.
Key Features
- ABB MCRA mini contactor relay series.
- Four-pole auxiliary contactor relay design.
- 4 normally open (NO) auxiliary contacts.
- 110–115 V AC 50 Hz coil supply.
- 110–120 V AC 60 Hz coil supply.
- 6 A AC-15 control switching capability.
- Ring tongue ferrule compatible screw terminals.
- Suitable for DIN rail or wall mounting.
Reliable Switching for Industrial Control Systems
Mini contactor relays such as the ABB 1SAH102179R9900 provide dependable switching of auxiliary circuits, control signals and smaller electrical loads. Their compact construction allows machine builders and panel manufacturers to achieve reliable control functionality while reducing cabinet space requirements.
The ABB MCRA series is designed for automation engineers and electrical installers requiring robust switching components with flexible mounting options and straightforward wiring. The auxiliary contacts support integration into modern industrial control circuits, automation systems and electrical panels.
Typical Applications
- Industrial control panels and electrical cabinets.
- Machine automation and OEM equipment.
- Motor control auxiliary circuits.
- Industrial relay and switching applications.
- Building automation systems.
- Commercial and electrical distribution installations.
