High-Performance 3-Pole 400A 690V Moulded Case Circuit Breaker

Product Description

Product Description

 

Application
 

RM1(CM1) series MCCB is mainly used in the circuit of AC 50/60Hz,rated insulating voltage 690V (630 type is 500V),rated working voltage up to 690V,and rated current from 6A-800A in distribution line for distributing power,protecting line,overload,short-circuit and under-voltage protection. It also can be used for infrequently starting of motor for overload,short-circuit and under-voltage protections.

It is small size,high breaking capacity and short arcing (without arcing).

The products can be installed vertically and horizontally.And it have front connection,rear connection and plug-in connection.
The product meets the standards of GB14048.2 and IEC60947-2.

Normal Working Condition

 

Altitude: not exceed 2000m

Ambient air temperature:

1) Temperature: -5° C---+ 40° C

2) 24 hours average air temperature shall not exceed + 35° C

3) If the air temperature is more than + 40° C, it need remark the special ordering.

Air conditions:

At mounting site,relative humidity not exceed 50% at the max temperature of +40° C,higher relative humidity is allowable under lower temperature.For example,RH could be 90% at +20° C,special measures should be taken to occurrence of dews.

Pollution grade:Grade 3

Protection Grade: IP20

Circuit Breaker Specification:

Type	Rated current (A)	Number of Poles	Rated insulation voltage(V)	Rated operating voltage(V)	Arcing-Over Distance(mm)	Ultimated short Circuit Breaking Capacity(KA)	Service Short Circuit Breaking Capacity(KA)	Operation performance(time)
								ON	OFF
RM1-100D	12.5,16,20,25, 32,40, 50,63, 80, 100	3P/4P	950V	690V	0	18	18	1500	8500
RM1-100N						25	25
RM1-100H						70	70
RM1-160D	100,125,160,180, 200	3P/4P	950V	690V	0	25	25	1500	7000
RM1-160N						36	35
RM1-160H						70	70
RM1-250D	160,180,200,225, 250	3P/4P	950V	690V	0	25	25	1000	4000
RM1-250N						36	36
RM1-250H						70	70
RM1-400D	200,225,250,300, 215, 400	3P/4P	950V	690V	0	35	35	1000	4000
RM1-400N						45	45
RM1-400H						70	70
RM1-630D	400, 500, 630	3P/4P	950V	690V	0	75	75

 

Circuit Breaker Tripping Characteristics:

Rated current of release (A)	Thermodynamic release		(ambient temp+40)		Operational current of magneticrelease (A)
	1.05In(cold state)  inoperative time (h)		1.I3n 0h(eat state)inoperative time(h)
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+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%

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