LZZW3-35Q  Instrument Multi Ratio Current Transformer 

 

Description

The outdoor instrument current transformers LZZW3-35Q are fully enclosed and cast in epoxy resin. Instrument transformer is equipped with one core and coil assembly rated for measurement and protection, and then output multi ratio.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Technical data 

 

1.two windings

 

Rated primary current(A)	Accuracy class combination	Rated secondary output(VA)					Surface creepage distance (mm)	Weight (KG)
	1S/2S	0.2(S)0.5S	0.5	5P10	5P15	5P20
10-630	0.2(S)/0.5(S) 0.2(S)/5p 0.5(S)/5p	10	20	100	60	40	1300	90
750-2000				120	75	50

 

2.Three windings

 

Rated primary current(A)	Accuracy class combination	Rated secondary output(VA)					Surface creepage distance (mm)	Weight (KG)
	1S/2S/3S	0.2(S)0.5S	0.5	5P10	5P15	5P20
10-500	0.2(S)/0.2(S)/5P 0.2(S)/0.5(S)/5p 0.5(S)/0.5(S)5p	10	20	50	30	25	1300	90
600-1000				80	50	30
1200-2000				100	60	40
100-630	0.2(S)/5p/5p 0.5(S)/5p/5p	10	20	30	20	15
750-1000				50	30	20
1200-1600				60	30	25
2000				60	40	25

 

3.four windings singls transformaiton radio

 

Rated primary current(A)	Accuracy class combination	Rated secondary output(VA)					Surface creepage distance (mm)	Weight (KG)
	1S/2S/3S/4S	0.2(S)0.5S	0.5	5P10	5P15	5P20
10-800	0.2(S)/0.2(S)/5P/5P 0.2(S)/0.5(S)/5p/5P 0.5(S)/0.5(S)5p/5P	10	20	25	15	10	1300	90
1000				30	20	10
1200-2000				40	25	15

 

4.three windings singls transformaiton radio

 

Rated primary current(A)	Accuracy class combination	Rated secondary output(VA)					Surface creepage distance (mm)	Weight (KG)
	1S/2S/3S/4S	0.2(S)0.5S	0.5	5P10	5P15	5P20
10-15-20	0.2(S)/0.2(S)/5P/5P 0.2(S)/0.5(S)/5p/5P 0.5(S)/0.5(S)5p/5P	10	20	25	15	10	1300	90
15-20-30
20-30-40
30-40-50
40-50-75
50-75-100
75-100-150
100-150-200
150-200-300
200-300-400
300-400-500
400-500-600
500-600-800
600-800-1200
800-1200-1500
1200-1500-2000

 

5.ldyn

 

Rated primary current(A)		Ith/ls(KA r.m.s.)	Idyn(KA peak)
Double transformaion ratio	Single transformaion ratio
10-15-20	10	2	5
15-20-30	15	3	7.5
20-30-40	20, 25	4	10
30-40-50	30	6.3	15.7
40-50-75	40	9.4	23.6
50-75-100	50	12.6	31.5
75-100-150	75	15.7	39
100-150-200	100	22	55
150-200-300	150	31.5	78.7
200-300-400	200, 250	47	118
300-400-500	300	63	157.5
400-500-600	400	63	157.5
500-600-800	500	80	200
600-800-1200	600-1200	80	200
800-1200-1500	1500-200	140	200
1200-1500-2000