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The standard NS1-63 Molded Case Switch features a fixed short circuit release (Self Protection) and complies to UL509 / CSA 22.2 No. 51 regulations. The NS1-63 switch is recommended especially for incoming circuit-breakers for the North American market. Furthermore the NS1-63 is easily field modifiable to add such accessories as Under Voltage, Voltage shunt trips and auxiliary contacts. |
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| Rated Current | Switching Capacity @ 480 vac | Switching Capacity @ 600 vac | Response range of the Short Circuit Release |
| 63 Amp | 35 ka | xx ka | 1250 Amp |
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~Actual part may appear slightly different.~