+86 13867787717PROFESSIONAL ELECTRICAL SUPPLIER
Product List
Contact Us
Tel:86-577-62857017
Fax:86-577-62837017
E-mail:info@gtelec.cn
jiasheng868@hotmail.com

Address:No.186 Xinguang Road,Xinguang Industrial Zone,Liushi Town  ,Yueqing, Zhejiang.China

PDF Catalogue Download
Useful Link:
ProductsLocation:Home > Products > Mould Case Circuit Breaker
Item Nunber & Product Name:CHM8 moulded case circuit breaker
OnLine Service:
Skype Online
Print
AddFavorite
Email us
Data download
  • Description
CHM8 Moulded case circuit breaker
Application

CHM8 moulded case circuit breaker is suitable for circuit of AC 50/60Hz,rated voltage up to AC 690V,rated operating current to 800A.
It features normal structure,reliable performance,complete accessories & high breaking capacity, used for power distribution and protecting the circuit and electrical equip-ment against overload and short circuit.It complies with standard of IEC60947-2.

Tripping characteristics
Rated Current of 
release (A)
Thermodynamic release(ambient temp+40℃) Operational current of 
magnetic release (A)
1.05In (cold state)
inoperative time (h)
1.30In (heat state)
inoperative time (h)
In≤63 ≥1 <1 10-50In±20%
63<In≤250 ≥2 <2 10In±20%
25<In≤800 ≥2 <2 5-10±20%
 
Rated Current of release (A) Thermodynamic release(ambient temp+40℃) Operational current of magnetic release (A)
1.0In
(cold state)
inoperative time (h)
1.20In
(heat state)
operative time (h)
1.50In
(heat state)
operative time (h)
7.2In
(heat state)
operative time (h)
12.5≤In≤400 ≥2h <2h ≤4min 2S<Tp≤10S 12In±20%
Specifications
Type Rated current (A) Number of poles Rated insulation voltage Rated operating voltage(V) Ultimate short circuit breaking capacity(KA) Servies short circuit breaking capacity(KA) Operating performance (endurance) Overall 
dimensions
AC380V
(400)
AC660V
(690)
DC250 AC380V
(400)
AC660V
(690)
Load Unload L W
(3P/4P)
H
CHM8-125E 12.5,16,20,
25,32,40,
50,63,80,
100,125
2P,3P,
4P
660 380
660
15 - - 7.5 - 3000 7000 120 76/101 70
CHM8-125S 25 - 20 16 -
CHM8-160S 16,20,32,40,
50,63,80,100,
125,160
35 8 20 18 - 4000 6000 120 90/120 70
CHM8-160H 50 10 40 25 -
CHM8-250S 100,125,
160,180,
200,225,
250
35 10 40 18 - 2000 6000 170 105/140 103.5
CHM8-250M 50 16 40 30 -
CHM8-250H 65 18 40 48 -
CHM8-400S 200,225,
250,315,
350,400
35 16 40 18 - 1000 4000 254 140/184 103.5
CHM8-400M 50 20 40 30 -
CHM8-400H 65 25 40 48 -
CHM8-630S 400,500,
630
50 20 40 30 - 1000 4000 268 210/280 103.5
CHM8-630M 65 25 40 48 -
CHM8-630H 80 30 40 60 -
CHM8-800S 500,630,
700,800
50 20 40 30 - 1000 4000 268 210/280 103.5
CHM8-800M 65 25 40 48 -
CHM8-800H 80 30 40 60 -

Other Products