PRODUCT DESCRIPTION
SIEMENS 3RT2025-2DB44-3MA0 - Power Contactor
The SIEMENS 3RT2025-2DB44-3MA0 is an electromechanical power contactor from the SIRIUS 3RT2 series, designed for switching and controlling three-phase AC loads in industrial automation applications. This device facilitates the control of asynchronous motors, resistive loads, and other electrical equipment, integrating seamlessly into control panels and motor starter configurations. It utilizes a DC-actuated coil for precise operational control within industrial machinery and process control systems.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT2
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- NOMINAL OPERATING CURRENT (AC-3, 400V): 12 A
- NOMINAL OPERATING POWER (AC-3, 400V): 5.5 kW
- NUMBER OF POLES: 3-pole (Main Circuit)
- AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
- CONTROL CIRCUIT VOLTAGE: 24V DC
- NOMINAL INSULATION VOLTAGE (Ui): 690V AC
- NOMINAL IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- OPERATING FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S0
- TERMINAL TYPE: Screw terminals
- MECHANICAL LIFESPAN: 10,000,000 operating cycles
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical coil actuation
- FEEDBACK: Integrated auxiliary contacts for status indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (for terminals), IP00 (for main circuit without covers)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN rail (35 mm) or screw mounting
- OPERATING TEMPERATURE RANGE: -25 to +60 °C
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Switching of three-phase asynchronous motors, resistive loads, heating systems, lighting circuits, industrial machinery, control panels, HVAC systems.
- COMPATIBILITY: Integrates with SIRIUS modular system components including overload relays, auxiliary switches, and function modules.