NS Molded Case Circuit Breaker

NS Molded Case Circuit Breaker is equipped with a micro logic control unit that can be changed on site, control units are designed to protect power circuits and loads, alarms may be programmed for remote indications.
Measurements of currents, voltages, frequencies, power and power control continuities of service and energy management, protection thresholds and delays are set using the adjustment dials:
●Overload protection;
●True rms long-time protection;
●Thermal memories for thermal image before and after tripping;

Product Details

NS Circuit Breaker Breif Selection Table

Compact circuit breakers, NS			800N	1000N	1250N	1600N	2000N
Rated current, A	In	At 50℃	800	1000	1250	1600	2000
Ultimate breaking capacity, Icu, kA	AC50/60Hz	220/240V	85	85	85	85	85
		380/415V	50	50	50	50	70
		440V	50	50	50	50	65
		500/525V	40	40	40	40	65
		660/690V	30	30	30	30	65
Rated service breaking capacity, Ics, kA		220/240V	50	50	50	50	65
		380/415V	50	50	50	50	52
		440V	50	50	50	50	65
		500/525V	40	40	40	40	65
		660/690V	30	30	30	30	65
Endurance, C-O cycles	Mechanical, x1000		10	10	10	10	5
	Electrical	440V, x1000	5	5	4	2	2
	Electrical	690V, x1000	2	2	2	1	1

Additional Features

■Setting accuracy may be enhanced by limiting the setting range using a different long-time;

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NS Molded Case Circuit Breaker

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