Description
The Siemens 3RT2027-2FB40 is a robust and reliable 3-pole power contactor from the SIRIUS 3RT2 series, designed for controlling three-phase motors and other high-power electrical loads. Rated for 25A at 400V AC (AC-3 duty) and equipped with a 220-240V AC 50/60Hz coil, it features 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts for control circuit feedback. With a compact design, DIN-rail mounting, and high switching capacity, it is ideal for motor starters, HVAC systems, and industrial automation panels.
Key Features
- Contactor Type: 3-pole Power Contactor
- Rated Current: 25A (AC-3, 400V)
- Coil Voltage: 220-240V AC 50/60Hz
- Auxiliary Contacts: 1NO + 1NC
- Mounting: DIN rail (35mm) or screw
- Protection Rating: IP20
- Country of Origin: Germany/China
Technical Specifications
- Rated Operational Voltage (Ue): 690V AC
- Rated Operational Current (Ie): 25A (AC-3, 400V)
- Thermal Current (Ith): 40A
- Power Consumption (Coil): Approx. 7 VA / 4.5 W
- Mechanical Life: 10 x 10⁶ operations
- Electrical Life: 1.3 x 10⁶ operations (AC-3)
- Dimensions (WxHxD): 45 x 80 x 87 mm
- Weight: Approx. 300 g
- Standards: IEC/EN 60947-4-1, UL 508, CSA C22.2, RoHS
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for selection and wiring
- Compatibility verification with thermal overload relays (e.g., 3RU2)
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine Siemens components
- Global supply network with competitive pricing
- Expertise in industrial control systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Motor starting and stopping (DOL starter)
- Compressor and pump control in HVAC
- Conveyor and material handling systems
- Industrial heating and lighting control
- Power distribution and capacitor switching
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