■ System design is more modular
- General
- Reduction in number of parts
- Compact
- More convenient in installation

■ Release interlock first before remove the body
■ Provide guiding device for the circuit breaker
■ Shaken out the circuit breaker to the exit status by hand
■ no maintenance
- Long Life
- No mechanical adjustments
- Easy check and replacement design (arcing suppression cover, the main contact) to the consumable parts

■ Suitable for insulation
■ Eectively disconnect indication
■ Front double insulation
■ Isolation among accessories and the main circuit
■ var ious lock ing devices ( swi tch, position)
■ various linkage (door, switch room)