Why Choose the ABB 1SAH220402R9900 Mini Contactor Relay?
The ABB 1SAH220402R9900 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 MCRC mini contactor relay series, it provides dependable DC-operated auxiliary switching performance in a space-saving four-pole design.
This mini contactor relay features a dimension-optimised four-pole construction with screw terminals, making it suitable for applications where reliable control switching is required while installation space is limited. The ABB MCRC series is designed for wall or DIN rail mounting and is suitable for residential, commercial and industrial applications requiring dependable control signal switching.
With a 220 V DC coil supply, 2 normally open and 2 normally closed auxiliary contacts and a compact 45 mm wide construction, the ABB 1SAH220402R9900 is ideal for automation panels, electrical control systems and applications requiring reliable auxiliary switching.
Key Advantages
- Compact mini contactor relay designed for control applications.
- 2NO + 2NC auxiliary contact configuration for flexible circuit control.
- 220 V DC coil voltage suitable for industrial DC control systems.
- Space-saving four-pole design for compact electrical installations.
- Screw terminal connections provide secure and straightforward wiring.
- Suitable for switching control signals up to 6 A / 240 V AC-15.
Key Features
- ABB MCRC mini contactor relay series.
- Four-pole auxiliary contactor relay design.
- 2 normally open (NO) auxiliary contacts.
- 2 normally closed (NC) auxiliary contacts.
- 220 V DC coil supply with extended operating limits.
- 6 A AC-15 control switching capability.
- Screw connection terminals for auxiliary circuits.
- Suitable for DIN rail or wall mounting.
Reliable Switching for Industrial Control Systems
Mini contactor relays such as the ABB 1SAH220402R9900 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 MCRC series is designed for automation engineers and electrical installers requiring robust DC-operated 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.
