The Siemens 3RT2047-3XB40-0LA2 is a premium traction contactor designed for robust industrial and railway applications. Engineered for high-efficiency switching, this contactor ensures reliable operation even under demanding AC-3e/AC-3 load conditions. It is equipped with a solid-state operating mechanism and an integrated varistor for enhanced longevity and safety. Its compact S3 frame size makes it easy to integrate into control panels and traction systems.
Rated Current: 110 A for AC-3e/AC-3 applications
Power Handling: 55 kW at 400 V
Poles: 3-pole configuration for reliable three-phase switching
Operating Voltage: 24 V DC with 0.7-1.25*Uc range
Operating Mechanism: Solid-state for smooth and silent operation
Protection: Integrated varistor for overvoltage protection
Auxiliary Contacts: 1 NO + 1 NC for flexible control logic
Terminals: Screw terminal for main circuit, spring-loaded for control and auxiliary circuits
Frame Size: Compact S3 for space-efficient installation
Durable and Reliable: Solid-state mechanism minimizes mechanical wear.
High Performance: Supports up to 55 kW / 400 V industrial and traction applications.
Enhanced Safety: Integrated varistor protects against voltage spikes.
Easy Integration: Compact S3 frame and flexible terminal design.
Versatile Control: Auxiliary contacts allow for advanced automation and monitoring.
Railway traction systems
Industrial motor control
High-power switching in automation systems
AC-3e/AC-3 load management
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| SKU / Model | 3RT2047-3XB40-0LA2 |
|---|---|
| Weight | 1.828 kg |
| Dimensions | 159 × 80 × 170 mm |
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