NA1H series universal circuit breaker

Function and use

NA1H series universal circuit breaker ANA1H series universal circuit breaker (hereinafter referred to as the circuit breaker) is suitable for AC 50Hz, rated working voltage to AC690V, rated working current to 6300A and In the following power distribution networks, it is used to distribute electric energy and protect lines and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults. This circuit breaker has intelligent protection functions and precise selective protection, which can improve power supply reliability and avoid unnecessary power outages.

Detailed parameters

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Parameter classification	Parameter item	Parameter value
System parameters	Model	NA1H-1000
	Rated ultimate short circuit breaking capacity Icu (kA)	42 AC400V 25 AC690V
	Rated operating short-circuit breaking capacity Ics (kA)	30 AC400V 20 AC690V
	Rated short-time withstand current Icw (kA)	82.2 AC400V 52.5 AC690V
	Rated making capacity Icm (kA)	6.3 AC400V 40 AC690V
	Rated short circuit making current Icm (A)	200 400 630 800 1000
	Number of poles	3, 4, poles
	Rated voltage Ue(V)	AC400, AC690
	Rated insulation voltage Ui(V)	1000
	Rated impulse withstand voltage Uimp(kV)
	N pole maximum continuous current In(A)	100%In
	Close time (ms)	≤ 50
Performance	Controller	M type/H type
	Drawer type III/fixed type IV
	Net weight (kg)	27/44 37/44 38/45 36/45
	Gross weight (kg)	44/52 44/52 45/53 45/53
	Flying distance (mm)	0
System parameters	Model number	NA1H-3200, NA1H-4000
	Rated ultimate short-circuit breaking capacity Icu(kA)	100 AC400V 65 AC690V
	Rated operating short-circuit breaking capacity Ics(kA)	80 AC400V 65 AC690V
	Rated short-time withstand current Icw (kA)	80 AC400V 65 AC690V
	Rated switching capacity Icm (kA)	220 AC400V 143 AC690V
	Rated short-circuit making current Icm(A)	2000 2500 3200 4000
	Number of poles	3, 4, Pole
	Rated voltage Ue(V)	AC400, AC500/690
	Rated insulation voltage Ui(V)	1000
	Rated impulse withstand voltage Uimp(kV)	12
	N pole maximum continuous current In(A)	100%In
	Close time (ms)	≤ 50
Performance	Controller	M type/H type
	Drawer type III/fixed type IV
	Net weight (kg)	96/118 96/118 106/130 135/172
	Gross weight (kg)	57/69 57/69 59/72 118/145
	Flying distance (mm)	0
System parameters	Model	NA1H-2000
	Rated ultimate short-circuit breaking capacity Icu (kA)	80 AC400V 50 AC690V
	Rated operating short-circuit breaking capacity Ics (kA)	80 AC400V 40 AC690V
	Rated short-time withstand current Icw (kA)	50 AC400V 40 AC690V
	Rated making capacity Icm (kA)	176 AC400V 105 AC690V
	Rated short circuit making current Icm (A)	1050 800 1000 1250 1600 2000
	Number of poles	3, 4, poles
	Rated voltage Ue(V)	AC400, AC500/690
	Rated insulation voltage Ui (V)	1000
	N pole maximum continuous current In(A)	100%In
	Close time (ms)	≤ 50
Performance	Controller	M type/H type
	Drawer type III/fixed type IV
	Net weight (kg)	67/82 73/85 73/85 73/85 79/90
	Gross weight (kg)	77/94 45/54 45/54 83/97 89/102
	Flying distance (mm)	0
System parameters	NA1H-6300
	Rated ultimate short-circuit breaking capacity Icu (kA)	120 AC400V 85 AC690V
	Rated operating short-circuit breaking capacity Ics (kA)	100 AC400V 75 AC690V
	Rated short-time withstand current Icw (kA)	100 AC400V 75 AC690V
	Rated making capacity Icm (kA)	220 AC400V 165 AC690V
	Rated short circuit making current Icm (A)	4000 5000 6300
	Number of poles	3, 4, poles
	Rated voltage Ue(V)	AC400, AC690
	Rated insulation voltage Ui (V)	1000
	N pole maximum continuous current In(A)	50%In
	Close time (ms)	≤ 50
Performance	Controller	M type/H type
	Operation method	Drawer type III/fixed type IV
	Net weight (kg)	201/233 96/118 235/ -
	Gross weight (kg)	222/255 222/255 257/ -
	Flying distance (mm)	0