YCM3 Moulded Case Circuit Breaker From Electrical Components Direct Ltd

YCM3 Moulded Case Circuit Breaker

Application

YCM3 series moulded case circuit breaker is one of the most advanced typebreaker in the world, which adopts international advanced design and manufacture technology. They are suitable for short circuit and overload protection in circuit of AC 690V 50/60Hz,rated current from 12.5A to 630A. Its rated insulation voltage is 690V. It can make and break the unfrequently circuitunder normal conditions. It takes protecting effect when mouse cage motors unfrequently start, making&breaking and protecting against overload, short circuit and lacking voltage.

1.Tripping Characteristics

Rated Current of release	Themodynamic Release (ambient temp+40°C)		Operatonal Current of Magnetic Release(A)
Rated Current of release	1.05In(cold state) operative time(h)	1.30In(heat state) operative time(h)	Operatonal 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%

Rate Current of release(A)	Themodynamic Release (ambient temp+40°C)				Operational Current of Magnetic Release(A)
Rate 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	2S<Tp≤10S	12In±20%

2.Main Technical specifications

Type	Rated Current(A)	Poles	Rated Insulating Voltage(V)	Rated Operating Voltage(V)	Arcing Over Distance (mm)	ULtimate Short Circuit Breaking Capacity(KA)	Servies Short Circuit Breaking Capacity(KA)	Operating performance(times)
								ON	OFF
YCM3-100D	12.5,16, 20,25,32, 40,50,63, 80,100	3,4	950	690	0	18	18	1500	8500
YCM3-100N						25	25
YCM3-100H						70	70
YCM3-100L						150	150
YCM3-160D	16,20,25, 32,40,50, 63,80,100, 125,160					25	25	1000	7000
YCM3-160N						36	36
YCM3-160H						70	70
YCM3-160L						150	150
YCM3-250D	160,180,200, 225,250					25	25	1000	7000
YCM3-250N						36	36
YCM3-250H						70	70
YCM3-250L						150	150
YCM3-400D	200,225,250, 300,315,400					35	35	1000	4000
YCM3-400N						45	45
YCM3-400H						70	70
YCM3-400L						150	150
YCM3-630D	315,350,400, 500,600,630					35	35	1000	4000
YCM3-630N						45	45
YCM3-630H						70	70
YCM3-630L						150	150

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