PRODUCT DESCRIPTION
SIEMENS 3RT1055-1AB36 - Power Contactor
This device is a SIEMENS SIRIUS 3RT10 series power contactor, engineered for switching resistive and inductive loads in industrial control systems. It facilitates the control of three-phase motors, heating elements, and other electrical loads up to 55 kW at 400V AC-3. The unit integrates a 230V AC control coil and provides 2 normally open and 2 normally closed auxiliary contacts for interlocking and signaling within automation architectures.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT10
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (AC-3, 400V): 115 A
- RATED OPERATIONAL POWER (AC-3, 400V): 55 kW
- RATED OPERATIONAL POWER (AC-3, 690V): 90 kW
- RATED OPERATIONAL VOLTAGE: Up to 690 V AC
- CONTROL SUPPLY VOLTAGE: 230 V AC, 50/60 Hz
- NUMBER OF POLES: 3-pole
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S6
- AUXILIARY CONTACTS: 2 NO + 2 NC
- MOUNTING: DIN rail or screw mounting
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical coil
- TERMINALS: Screw terminals
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (terminals), IP20 (with terminal covers)
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees C
- MOUNTING STYLE: Vertical, DIN rail 35mm or screw fixing
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Motor control circuits, heating systems, lighting circuits, general industrial load switching
- SPECIFIC MACHINE TYPES: Pumps, fans, compressors, conveyors, HVAC systems