Sontuoec Sts3 Moulded Case Circuit Breaker MCCB Nsxs Series 3p, 4p

Product Description

Product Description

STS3 Moulded case circuit 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,complete accessories & high breaking capacity used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC  60947-2   GB14048.

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.

  

FAQ

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer a free sample depending on product types.

 

Q:Can you print our own logo?
A:Yes, we provide OEM/ODM services.

 

Q:How long is the quality guarantee?
A:18 months warranty,every products is inspected before they leave the factory.

 

Q: Do you have a catalog? Can you send me the catalog to see all your products?
A: Yes, we have E-catalog. Please contact us online or send us an e-mail to get it.

 

Q:How's the delivery?Because I really need them is urgently?
A: 7-10 days for inventory products and 10-25 days for customized products.

 

Q: What's your main product?
A: Our main products include circuit breakers and Ac Contactor, Thermal Relay,Magnetic Starter. We also have other low voltage apparatus as our minor products.

 

Q: What is your payment terms?
A: We accept T/T,  Western Union, PayPal,  L/C at sight.

 

Q: Any certification of your company or product?
A:Wehave ISO 9001,CE,CB, SEMKO, SAA, Intertek...