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Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker
Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker
Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker
Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker
Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker
Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker

Hot Sale 250A 400A Molded Case MCCB 3 Pole Thermal Magnetic Circuit Breaker

Min.Order: 1
Product origin: Wenzhou, Zhejiang, China
Infringement complaint: complaintComplaint
US$ 1 ~ 20

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:

TypeRated current (A)Number of PolesRated 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)
ONOFF
RM1-100D

12.5,16,20,25,

32,40, 50,63,

80, 100

3P/4P950V690V0181815008500
RM1-100N2525
RM1-100H7070
RM1-160D

100,125,160,180, 200

3P/4P 950V 690V0252515007000
RM1-160N3635
RM1-160H7070
RM1-250D

160,180,200,225,

250

 3P/4P 950V 690V0252510004000
RM1-250N3636
RM1-250H7070
RM1-400D

200,225,250,300,

215, 400

3P/4P 950V 690V0353510004000
RM1-400N4545
RM1-400H7070
RM1-630D400, 500, 630 3P/4P 950V 690V07575  
 

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<110In±20%
63<In<100≥2<210In±20%
100<In<630 ≥2<25-10In±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<4min2S<Tp<10s12In±20%
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