Safety trip interlock, ComPact NSX400/630 plug-in kit

This is a safety trip interlock device for 3 or 4 poles Compact NSX 400/630. It is part of the plug-in kit for Compact NSX circuit breakers. This accessory avoids connecting or disconnecting the power circuits under load conditions. It causes automatic tripping if the device is ON, before engaging or withdrawing it. It must be installed on the device.

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