PRODUCT DESCRIPTION
SIEMENS 3RT5044-1BB40 - Power Contactor
The SIEMENS 3RT5044-1BB40 is an electromechanical power contactor from the SIRIUS 3RT5 series, engineered for switching three-phase AC loads in industrial control applications. It provides robust control for motors up to 18.5 kW at 400V AC-3 and resistive loads up to 60A AC-1, facilitating integration into motor control centers, industrial machinery, and automation systems requiring reliable load switching.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT5
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- NOMINAL COIL VOLTAGE: 24 V AC, 50/60 Hz
- RATED OPERATIONAL CURRENT (AC-3, 400V): 40 A
- RATED OPERATIONAL POWER (AC-3, 400V): 18.5 kW
- RATED OPERATIONAL CURRENT (AC-1, 400V): 60 A
- PHASE: 3-phase
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- SIZE: S2
- AUXILIARY CONTACTS: 1 NO + 1 NC
- TERMINAL TYPE: Screw terminals (main and auxiliary circuits)
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical coil
- FEEDBACK: Integrated auxiliary contacts (1 NO + 1 NC)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP00 (main contacts)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN rail / Screw mounting
- COMPATIBILITY/APPLICATION: Switching of 3-phase motors, resistive loads, industrial machinery, motor control centers, automation systems.