PRODUCT DESCRIPTION
SIEMENS 3RT2028-2AC20 - 3-Pole Power Contactor
The SIEMENS 3RT2028-2AC20 is a 3-pole power contactor from the SIRIUS 3RT20 series, engineered for reliable switching of three-phase motors and resistive loads in industrial control applications. This electromechanical switching device features a 230 VAC control coil and is designed for integration into motor control centers, HVAC systems, and general industrial machinery requiring robust load management. It provides essential control functionality for automation systems.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT20
- COMPONENT TYPE: 3-Pole Power Contactor
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL CURRENT (AC-3, 400V): 38 A
- NOMINAL OPERATIONAL POWER (AC-3, 400V): 18.5 kW
- NOMINAL OPERATIONAL CURRENT (AC-1, 400V): 60 A
- NOMINAL INSULATION VOLTAGE: 690 V
- NOMINAL IMPULSE WITHSTAND VOLTAGE: 6 kV
- CONTROL SUPPLY VOLTAGE: 230 VAC, 50/60 Hz
- NUMBER OF POLES: 3
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S0
- TERMINAL TYPE: Screw Terminals
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical Coil
- AUXILIARY CONTACT PROVISION: Designed for front or side-mounted auxiliary switch blocks
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals)
- OPERATING TEMPERATURE RANGE: -25 to +60 °C
- MOUNTING STYLE: DIN Rail (35mm) or Screw Mounting
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Motor control, resistive load switching, industrial machinery, pump systems, conveyor technology.
- COMPATIBILITY: SIEMENS SIRIUS modular system components, including 3RU2 thermal overload relays and 3RH2 auxiliary contact blocks.