Siemens 3RT6027-1BB40 SIRIUS 3-Pole Power Contactor 32A AC-3 15kW 400V 24V DC Coil 1NO+1NC Screw Terminal S0

Product Description

The Siemens 3RT6027-1BB40 is a 3-pole power contactor from the SIRIUS 3RT6 series, designed for reliable motor control and power switching in industrial automation applications
. Rated at 32A in AC-3 duty at 400V, this contactor delivers 15kW motor power and supports operational voltages up to 690V. The coil operates at 24V DC with a power consumption of 5.9W. The contactor features a 3NO main contact configuration with built-in 1NO+1NC auxiliary contacts. Housed in size S0 with screw terminals, this contactor is suitable for applications including motor starting and stopping, pump control, fan control, compressor control, conveyor systems, and star-delta reduced-voltage starting. Designed to meet IEC/EN 60947-1 standards with CCC, UL, EAC, RCM, and CSA certifications, the 3RT6027-1BB40 delivers dependable performance for control panels and industrial machinery

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Standard Features

• SIRIUS 3RT6 Series design: Modular system offering high contact reliability and compact design for optimizing motor control and protection schemes[reference:11].
• 32A AC-3 rated current: Supports motor control up to 15kW at 400V and 18.5kW at 690V three-phase[reference:12][reference:13].
• 24V DC coil: Low-voltage DC control for compatibility with PLC and automation systems, with 5.9W power consumption[reference:14][reference:15].
• Built-in auxiliary contacts: Integrated 1NO+1NC auxiliary contacts for control logic and feedback signaling without additional modules[reference:16][reference:17].
• Size S0 compact footprint: Space-efficient design with 55mm width and 558g net weight for easy panel integration[reference:18].
• Screw terminal connections: Facilitates straightforward and secure wiring in control cabinets; supports 35mm DIN rail mounting[reference:19].
• Long mechanical life: Mechanical service life up to 10 million operating cycles[reference:20][reference:21].
• Global certifications: CCC, UL, EAC, RCM, CSA certified with IP20 protection rating for safe operation[reference:22].

Technical Specifications