home products Circuit Breakers MYM2(NS) Moulded Case Circuit Breaker

MYM2(NS) Moulded Case Circuit Breaker

Place of Origin:China	CHMY:OEM
Brand Name:CHMY	Model No:NS

Company Info

Company Published: 2004
Online Postings: Products , Selling Leads
Country/Territory: China
Business Type: Manufacturer
Number of Employees: 501 - 1000 People

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Detailed Product Description

NS series moulded case circuit breaker is one of the most advanced type breakers in the world, which adopt international advanced design and manufacture fechnology. They are suitable for short circuit and overload protection for circuit of AC 690V 50/60HZ, rated current from 12.5A to 630A. It takes protect effect when mouse cage motors non-frequent start, breaking off working and protecting overload, short circuit and lacking voltage.

Tripping Characteristics of MCCB

Rated Current of Release(A)	Thermodynamic Release (ambient temp +40°C)		Operational Current of Magnetic Release(A)
Rated Current of Release(A)	1.05In(cold state) inoperative time(h)	1.30In(heat state) operative time(h)	Operational Current of Magnetic Release(A)
In<=63	>=1	<1	10In±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 +40¡æ)				Operational Current of Magnetic Release(A)
Rated Current of Release(A)	1.0In(cold state)operative time(h)	1.20In(heat state)operative time(h)	1.50In(heat state)operative time(h)	1.01In(heat state)operative time(h)	Operational Current of Magnetic Release(A)
12.5<=In<=400	>=2	<2	<=4min	S< Tp <=10S/td>	12In±20%

Main Technical Specifications

Type	Rated Current (A)	Poles	Rated Insulating Voltage(A)	Rated Operating Voltage (A)	Acting Over Distance (mm)	Ultimate short circuit Breaker Capacity	Servies Short Circuit Breaker Capacity	Operating performance(times)

DNS-100D	12.5, 16, 20, 25, 32 ,40, 50, 63, 80, 100	3,4	950	690	0	18	18	1500	8500
DNS-100N						25	25
DNS-100H						70	70
DNS-100L						150	150
DNS-160D	16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160					25	25	1500	7000
DNS-160N						36	36
DNS-160H						70	70
DNS-160L						150	150
DNS-250D	160,180, 200,225, 250					25	25	1000	7000
DNS-250N						36	36
DNS-250H						70	70
DNS-250L						150	150
DNS-400D	200, 225, 250, 300, 315, 400					35	35	1000	4000
DNS-400N						45	45
DNS-400H						70	70
DNS-400L						150	150
DNS-630D	315, 350, 400, 500, 600, 630					35	35	1000	4000
DNS-630N						45	45
DNS-630H						70	70
DNS-630L						150	150