Description
The Siemens SIRIUS 3RT2027-1BB40 is a high-performance power contactor designed for industrial motor control applications. This 3-pole contactor features a 24V DC coil and is rated for 32A (AC-3e/AC-3) operation, supporting motor power switching up to 15kW at 400V. With its compact S0 size design, this contactor offers exceptional switching reliability and energy efficiency. It includes integrated 1 NO + 1 NC auxiliary contacts for advanced control logic and features screw terminals for secure wiring. Designed for continuous use in demanding industrial environments, this contactor provides reliable performance for motor starting, stopping, and load switching applications.
Key Features
- Power Contactor with 3-pole configuration (3NO)
- 24V DC coil for efficient operation
- Rated operational current: 32A (AC-3e/AC-3)
- Power capacity up to 15kW (400V)
- Size S0 compact design
- DIN rail or screw mounting
- Auxiliary contacts: 1NO + 1NC
- Screw terminal connection
- Mechanical service life: up to 30 million switching cycles
- Country of origin: Germany
Technical Specifications
- Number of Poles: 3 poles (3NO)
- Rated Operational Current: 32A (AC-3e/AC-3)
- Rated Power: Up to 15kW (400V)
- Rated Operational Voltage: Up to 690V AC
- Control Supply Voltage: 24V DC
- Auxiliary Contacts: 1NO + 1NC
- Impulse Voltage Resistance: 6 kV
- Insulation Voltage: 690V
- Real Loss Power: Only 4W
- Operating Temperature: -25°C to +60°C
- Protection Degree: IP20
- Mounting: DIN rail or screw fixing
- Dimensions: 45mm × 107mm × 85mm (W × H × D)
- Weight: approx. 0.35 kg
- Standards: IEC 60947-4-1, RoHS compliant
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and integration
- Wiring and installation assistance
- Compatibility verification with existing systems
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine Siemens SIRIUS components
- Global supply network with competitive pricing
- Expertise in industrial automation systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Starting and stopping standard asynchronous (squirrel-cage) motors
- Controlling pumps, fans, and compressors
- Switching resistance loads (e.g., heating elements)
- Conveyor belt systems
- Material handling equipment
- Industrial automation systems
- Building automation
- HVAC systems
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