Why Choose the ABB MARL101AT Auxiliary Contact Block?
The ABB MARL101AT is a compact auxiliary contact block designed for side mounting on ABB mini contactors. Providing one normally closed auxiliary contact, it enables additional switching functions for control and signalling circuits in industrial automation and electrical control applications.
Designed for reliable integration with ABB mini contactors, the MARL101AT features screw terminal connections and complies with EN 50005 requirements for auxiliary contacts. Its slim side-mounted construction allows engineers to expand contactor functionality while maintaining efficient control panel layouts.
The ABB MARL101AT provides 1 normally closed (NC) auxiliary contact, supports auxiliary circuit operation up to 690 V AC and is suitable for ABB MC1, MC2 and MCR mini contactors equipped with screw terminals.
Key Advantages
- Compact auxiliary contact block for ABB mini contactors.
- 1NC auxiliary contact configuration for control and signalling applications.
- Side-mounted design for flexible contactor expansion.
- Compatible with ABB MC1, MC2 and MCR mini contactors.
- Screw terminal connection for secure wiring installation.
- Improves control system flexibility by adding auxiliary switching capability.
Key Features
- ABB MARL101AT auxiliary contact block.
- 1 normally closed (NC) auxiliary contact.
- Side mounting configuration.
- Rated operational voltage up to 690 V AC / 440 V DC.
- Conventional free-air thermal current: 10 A.
- Screw terminal connection technology.
- IP20 protection rating.
Flexible Control Expansion for Industrial Systems
Auxiliary contact blocks allow contactors to provide additional feedback, signalling and control functions within electrical systems. The ABB MARL101AT expands compatible mini contactors by adding an extra auxiliary switching contact for automation and control applications.
The compact side-mounted design helps engineers create flexible control solutions while maintaining efficient use of electrical cabinet space. ABB auxiliary accessories are designed to integrate seamlessly with compatible contactor ranges for reliable industrial operation.
Typical Applications
- Industrial automation control panels.
- Motor control circuits.
- Machine building equipment.
- PLC feedback and signalling systems.
- Electrical control cabinets.
- ABB mini contactor installations.