ОПИСАНИЕ ПРОДУКТА
SIEMENS 3RT2026-1BB44-3MA0 - Power Contactor
The SIEMENS 3RT2026-1BB44-3MA0 is a SIRIUS 3RT2 series power contactor, size S0, engineered for switching three-phase AC motors and resistive loads up to 25 A (AC-3, 400V). It features a 24 V DC control supply voltage and integrates four normally open and four normally closed auxiliary contacts. This device is designed for industrial control panels, motor control centers, and general load switching applications requiring precise and compact switching solutions.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RT2
- COMPONENT TYPE: Power Contactor
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (AC-3, 400V): 25 A
- RATED OPERATIONAL POWER (AC-3, 400V): 11 kW
- CONTROL SUPPLY VOLTAGE: 24 V DC
- RATED INSULATION VOLTAGE: 690 V
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- UTILIZATION CATEGORY: AC-3 (Motor switching), AC-1 (Resistive loads)
- MECHANICAL/PHYSICAL:
- SIZE: S0
- AUXILIARY CONTACTS: 4 NO + 4 NC
- TERMINAL TYPE: Screw terminals
- LIFESPAN (MECHANICAL): 10,000,000 switching cycles
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical coil
- FEEDBACK: Integrated auxiliary contacts for status indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals)
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees C
- MOUNTING STYLE: DIN rail (35mm) or screw mounting
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION: Motor control, heating systems, lighting circuits, general industrial load switching, integration into control panels and motor control centers.