Overview: High-Performance SIRIUS 3RT2 Contactor
The Siemens 3RT2027-1BP40 is a robust and reliable 3-pole power contactor from the globally renowned SIRIUS 3RT2 series, specifically engineered for switching motors and industrial loads. Rated for demanding applications up to 32 A (AC-3e/AC-3) and a power rating of 15 kW at 400 V, this contactor ensures long-term operational stability and efficiency.
Featuring a highly versatile 230 V DC operating coil, the 3RT2027-1BP40 is suitable for a wide range of DC control systems. Its compact Size S0 footprint allows for space-saving installation in control cabinets, while the integrated 1 NO + 1 NC auxiliary contacts provide essential feedback and interlocking capabilities. The secure screw terminal connections guarantee a reliable and easy wiring process.
Key Benefits
- Exceptional Reliability: Part of the trusted Siemens SIRIUS 3RT2 series, known for a long mechanical and electrical service life.
- High Performance: Capable of handling motors up to 15 kW (400V) and a 32A AC-3/AC-3e operational current.
- Space-Saving Design: Compact Size S0 form factor for efficient panel mounting.
- Versatile Control: Operates with a standard 230 V DC coil voltage, ideal for DC control circuits.
- Built-in Flexibility: Includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact for immediate system integration and monitoring.
- Secure Installation: Features robust screw terminals for quick, secure, and permanent wiring connections.
Application
The Siemens 3RT2027-1BP40 is the ideal choice for a wide variety of industrial automation and control applications, including:
- Starting and stopping three-phase AC motors (Direct-on-line starters).
- Switching resistive, inductive, and capacitive loads.
- Integration into automated machinery, conveyor systems, and pump control.
- Use in motor starter combinations with matching SIRIUS 3RU2 thermal or 3RB3 electronic overload relays.
For more our products visit turll













Reviews
There are no reviews yet.