NS1000-1600 Moulded Case Circuit Breaker

The design of USX series molded case circuit breakers reflects the latest current limiting principle and manufacturing technology. it has the characteristics of compact structure, full modularization, high breaking and zero flying arc. its rated insulation voltage is 750v, suitable for AC 50Hz, rated working voltage 690v, rated working current to 1250A circuit for infrequent conversion and motor infrequent start. The circuit breaker has overload, short circuit and undervoltage protection devices, which can protect the line and power equipment from damage. The circuit breaker complies with ICE60947-1 and 1CE60947-2 implementation standards.

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Technical Parameters

Product Description
Standard Certifications		IEC60947-2/C8201-2-1
Item No.		UNS 1000
Number of poles		3,4
Electrical characteristics as per IEC60947-2 and EN60947-2
Rated current(A)	In	800,1000,1250,1600
Rated Operating Voltage(V)	Ue	440v
Rated Insulated Voltage (Ui)	Ui	750v
Rated impulse withstand voltage(kV)	Uimp	8kV
Types of Circuit Breakers		N	H
Ultimate breaking capacity (kA rms Icu）	220/240	50	70
	380/415	50	70
	440	50	65
	500/525	40	50
	660/690	30	42
Rated service breaking capacity (kA rms Icu)	220/240	37.5	52.5
	380/415	37.5	52.5
	440	37.5	48.75
	500/525	30	37.5
	660/690	22.5	31.5
Utilization category		A
Mechanical Parameters	Mechanical	4000
	Electrical	1000
Protection
Overload protection	Bimetal	○
Instantaneous protection	Magnetic	○
Auxiliaries
Indication contacts	AX	○
	AL	○
	AXAL	○
Voltage releases	SHT	○
	UVR	○
Control	Manual	with toggle with direct or extended rotary handle

Dimensions(mm)	3P	327mm X 210mm X 147mm