The ABB 1MRK002122-ABr01 is a high-reliability digital input and output interfacing module engineered to bridge the gap between core automation controllers and field equipment. Operating on a standard 24 V DC rail and rated for a 1 A current path, this compact device converts and stabilizes digital signals across dense electrical panels.
Technical Specifications
Brand: ABB
Part Number: 1MRK002122-ABr01
Product Type: Digital Signal Interfacing / Input-Output Module
Rated Operating Voltage: 24 V DC standard supply
Rated Current Capacity: 1 A continuous load current
Wiring Interface: Heavy-duty screw-type terminals
Physical Mounting: Integrated standard DIN rail snap-on channel
Thermal Performance: Operates safely across temperatures from -20 to +60 degrees Celsius
Width: 90 mm
Height: 180 mm
Depth: 70 mm
Net Weight: 0.172 kg
Industrial Application Scenarios
Factory and Process Automation: Acting as an isolated intermediary block to handle digital signal routing between central PLCs and pneumatic valves or field switches.
Electrical Distribution Monitoring: Managing start/stop control logic, remote breaker switching commands, and real-time safety interlock loops.
Machine Control Architectures: Providing clean digital feedback and state verification from high-vibration conveyor systems and packaging machinery.
