Sts3 100A Module Case Circuit Breaker Overload Protection MCCB

Product Description

Product Description

GENERAL

STS3 Moulded case ciecuit breaker is suitable for circuit AC 50HZ/60HZ, rated voltage up to AC 660V,rated operating current to 630A.It features normal structure,reliable performance,compete accessories & high breaking capacity, used foe power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC 60947-2 and GB14048.2

Specifications

Frame size rated current(A)	Circuit rated current	Rated current at N-pole	Frame size rated current	Circult rated current	Rated current at N-pole
63	10	10	225	100	100
	16	16		125	100
	20	20		160	100
	25	25		180	100
	32	32		200	100
	40	40	400	225	125
	50	50		225	225
	63	63		250	225
100	25	25		315	225
	32	32		350	250
	40	40		400	250
	50	50		400	250
	63	63	630	500	315
	80	63		630	350
	100	63

 

Molded Case Circuit Breaker Specification:

Type	Rated current (A)	Num-ber of Poles	Rated insulation voltage(V)	Rated operating voltage(V)	Overall Dimensions	Ultimated short Circuit Breaking Capacity(KA)	Service Short Circuit Breaking Capacity(KA)	Operation performance (Endurance)
					L W(3P/4P) H	AC380V   AC660V  (400)       (690)	AC380V   AC660V  (400)       (690)	Load	Unload
STS3-125E	12.5,16,20, 25,32,40, 50, 63,80,125,100	2P 3P/4P	660V	380 660	120 76/101 70	15             -	7.5             -	3000	7000
STS3-125S						25             -	16              -
STS3-160S	16,20,32,40,50, 63,80,100,125, 160	2P 3P/4P	660V	380 660	120 90/120 70	35            8	18              -	4000	6000
STS3-160H						50            10	25              -
STS3-250S	100,125,160, 180,200,225, 250	2P 3P/4P	660V	380 660	170 105/140 103.5	36            10	18              -	2000	6000
STS3-250M						60            16	30              -
STS3-250H						65            18	48              -
STS3-800S	500,630,700, 800	2P 3P/4P	660V	380 660	268 210/280 103.5	50            20	30              -	1000	4000
STS3-800M						65            25	48              -
STS3-800H						80            30	60              -
STS3-400S	200,225,250,300, 300, 400	2P 3P/4P	660V	380 660	254 140/184 103.5	35            16	18              -	1000	4000
STS3-400M						50            20	30              -
STS3-400H						65            25	48              -
STS3-630S	400, 500, 600	2P 3P/4P	660V	380 660	268 210/280 103.5	50            20	30              -	1000	4000
STS3-630M						65            25	48              -
STS3-630H						80            30	60              -

 

Molded Case Circuit Breaker Tripping Characteristics:

Rated current of release (A)	Thermodynamic release		(ambient temp+40)		Operational currentof magnetic release (A)
	1.05In(cold state)  inoperative time (h)		1.30In(heat state)inoperative time(h)
In<63	≥1		<1		10-50In±20%
63<In<100	≥2		<2		10In±20%
100<In<630	≥2		<2		5-10In±20%
Rated current of release (A)	Thermodynamic release(ambient temp+40ºC)
	1.0In (cold state) inoperative time	1.20In (heat state) operative time	1.50In (heat state) operative time	7.2In (heat state) operative time	Operational current of magnetic release (A)
12.5<In<400	≥2h	<2h	<4min	2S<Tp<10s	12In±20%

Our Services:
 

1. Competitive price
2. Continuance Service and support
3. Good-after service
4. Quality Reliability and Long Product Life.