Product Introduction
M7 series molded case circuit breaker is used for AC 50/60 Hz, rated voltage 690V, rated current to 800A power distribution net circuit, used for distributing power and to protect circuit and power equipment from overload, short circuit, under voltage etc. fault damages. Also can be used as the protection of the motor infrequent starting and overload, short circuit, under voltage. The product has small volume, high breaking, short arcing, can be installed in vertical and horizontal installation.
♦Environment temperature: Lower than 50℃
♦Altitude: Lower than 2000m;
♦Tolerance features: moistureproof, mould resistant, resistant to radiation
♦Installation conditions: dip below 22.5
♦Using environment: can reliably work on normal vibration of the ship, the earthquake(4g). Should be no corrosive action on metals, and damage the insulation gas, without conductive dust explosion hazard material environment.
♦Standard: GB14048.2
Classify
According to rated current:125,160.315.630.800; Note:125 is 63 frame upgraded,160 is 125 frame upgraded,315 is 250 frame upgraded,630 is 400 frame upgraded).
According to breaking capacity points:S standard H high breaking:
According to poles:2P 3P4P;
According to purpose: Distribution, motor protection; Product Code: None-thermal magnetic type E-electronic type L-leakage circuit breaker
Circuit breaker rating
Rated current of |
Convention thermal current |
Short-circuit breaking capacity level |
Short carcuit |
Poles |
Circuit breaker rated current |
AC400Vicu/lcs(kA) |
|||||
125 |
125 |
S |
25/18 |
3P |
16,20,25,32,40,50. |
H |
50/35 |
||||
160 |
160 |
S |
25/18 |
16,20,25,32,40,50,63, |
|
H |
70/50 |
||||
315 |
315 |
S |
35/22 |
125,140,160,180,200, |
|
H |
100/70 |
4P |
|||
630 |
630 |
S |
35/22 |
250,315,350,400.500, |
|
H |
100/70 |
||||
800 |
800 |
S |
50/25 |
630,700,800 |
|
H |
75/37.5 |