PRODUCT DESCRIPTION
SIEMENS 3RT2045-1AL20 - Power Contactor
This device is a SIRIUS 3RT20 series 3-pole power contactor designed for switching three-phase AC motors and resistive loads in industrial control applications. It integrates 1 normally open and 1 normally closed auxiliary contact, controlled by a 230V AC coil. This contactor is suitable for integration into motor control centers, automation panels, and machinery requiring reliable load switching up to 30 kW (AC-3, 400V).
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT20
- COMPONENT TYPE: 3-Pole Power Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (AC-3, 400V): 65 A
- RATED OPERATIONAL POWER (AC-3, 400V): 30 kW
- RATED OPERATIONAL CURRENT (AC-1, 400V): 80 A
- RATED OPERATIONAL POWER (AC-1, 400V): 45 kW
- COIL VOLTAGE: 230V AC
- COIL FREQUENCY: 50/60 Hz
- NUMBER OF POLES: 3
- AUXILIARY CONTACTS: 1 NO + 1 NC
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S3 (Size 3)
- MOUNTING: DIN Rail or Screw Mounting
- TERMINALS: Screw Terminals
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical Coil
- FEEDBACK: Integrated Auxiliary Contacts
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminal protection)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COOLING METHOD: Natural Convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Motor Control Centers, Industrial Control Panels, HVAC Systems, Pumping Stations, Conveyor Systems
- LOAD TYPES: Three-phase AC Motors, Resistive Loads