PRODUCT DESCRIPTION
SIEMENS 3RT23251BB40 - Power Contactor
This SIEMENS SIRIUS 3RT2 series power contactor is engineered for reliable switching of three-phase AC motors and other inductive loads in industrial control applications. It provides robust ON/OFF control for machinery, integrating into automation systems requiring precise load management. The unit is designed for AC-3 duty, making it suitable for standard motor starting, stopping, and reversing operations.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT2
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL CURRENT (AC-3, 400V): 32A
- NOMINAL OPERATIONAL POWER (AC-3, 400V): 15 kW
- NOMINAL OPERATIONAL POWER (AC-3, 690V): 18.5 kW
- COIL VOLTAGE: 24V AC
- NUMBER OF POLES: 3-pole main contacts
- AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
- OPERATIONAL FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S0
- TERMINAL TYPE: Screw terminals
- LIFESPAN (MECHANICAL): 10,000,000 operating cycles
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical coil actuation
- FEEDBACK: Integrated auxiliary contacts for status indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminal protection)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN rail (35mm) or screw mounting
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET APPLICATIONS: Motor control, heating systems, lighting circuits, general industrial load switching
- COMPATIBILITY: SIRIUS modular system components