3RA2923-2BB1
The 3RA2923-2BB1 is a Siemens SIRIUS S0 size star-delta wiring kit with built-in mechanical interlocking and screw terminal design. It helps to assemble S0 size contactors into a star-delta reduced voltage starting circuit, taking into account both electrical connection and mechanical safety interlocking. It is suitable for starting small three-phase motors.
Product Positioning
The 3RA2923-2BB1 is a Siemens SIRIUS S0 size star-delta (Y-Δ) wiring kit. It includes a mechanical interlock mechanism and uses screw terminal connections to assist in assembling contactors into a safe and reliable star-delta reduced-voltage starting circuit. This kit is particularly suitable for reduced-voltage starting applications of small three-phase motors.
Core Product Advantages and Features
Star-Delta Wiring Integration
Wiring kit required to assemble S0 size contactors into a star-delta step-down starting circuit.
Built-in mechanical interlock
It has a mechanical interlock mechanism to prevent contactor malfunction and improve circuit safety.
Screw terminal design
It uses screw terminal connections, which provide a stable connection and are suitable for use in industrial distribution panels.
S0 size dedicated
It is compatible with Siemens SIRIUS S0 specification contactors and has excellent assembly tightness.
Suitable for small motor applications
Suitable for small and medium power three-phase motors requiring delta-voltage reduced starting.
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