The 400-630A Circuit Breaker Plug-in Base Kit is suitable for NSX, CVS, NSE, and EZ series molded case circuit breakers rated from 400A to 630A. Designed for fast maintenance and safe disconnection, the kit offers a modular, easy-to-assemble solution.
1.Plug-in design for faster installation and replacement
2.Modular construction for standardized assembly
3.Terminal shielding ensures operator safety
4.Firm and reliable power contact performance
5.Locking mechanism provides vibration resistance and stability
1.Rated Current: 400A–630A
2.Compatible Breakers: NSX, CVS, NSE, EZ series
3.Poles: 3P
4.Rated Voltage: AC400V / AC690V
5.Connection Type: Plug-in
Installation Methods:
Base mounting
Panel mounting
Rail mounting
The kit includes the following parts:
CLV432516 ×1 — 3-pole mechanism base


CLV432520 ×1 — Locking installation unit
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