China Hm1 Moulded Case Circuit Breaker 3 Phase Circuit Breaker with Overcurrent Protection

Company Introduction:
Dehler Technology Co., Ltd. specializes in producing high and low voltage switchgear, box type substation, cable branch box, outdoor vacuum circuit breaker, isolation switch, grounding switch, load switch and low voltage components and other products.
Application:
HM1 Series of moulded case circuit breaker is one of our new type products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage 660V and used for circuit of A.C.50Hz, rated
operating voltage AC 380V. (Or below), rated operating current up to 800A for infrequent changing over and starting of the motors. Equipped with the protection devices for over-current, short circuit and under voltage, the products are capable of preventing damage of circuits and supply units.
Classification:
Accord to product poles. Two kings of three-pole are provided The neutral pole(N pole) of four poles has four types
Specifications:

TypeRated current
of trip (In A)Pole
numberRated insulating
voltage (V)Rated operating
distance (mm)Arcing-over
distance (mm)Uitimate short
circuit breakering
capacity (kA)Short
circuit breaking
capacity (kA)Operation
performanceONOFFHM1-63L6,10,16,20,
25,32,40,
50,633P
4P660V380V0251810008500HM1-63M05035HM1-100C02518HM1-100L10,16,20,25
32,40,50,63
80,1000(≤50)3522HM1-100M0(≤50)5035HM1-100H0(≤50)8550HM1-225C100,125,160
180,200,225≤50251810007000HM1-225L≤503522HM1-225M≤505035HM1-225H≤508550HM1-400C225,250,315
350,400≤50352510004000HM1-400L≤505035HM1-400M≤1006542HM1-630C≤1003525HM1-630L400,500,600≤1005035HM1-630M≤1006542HM1-630H≤10010065HM1-800M630,700,800≤1006542HM1-800H≤10010065

Working Conditions:

Rated current
of release(A)
Thermodynamic release(ambient temp
1and+40ºC
marine+45ºC
)Operational current of
magnetic release(A)1.05In(cold state)inoperation time(h)1.30In(heat state) operative time(h)10≤In≤63≥1< 110In±20%63≤In≤100≥2< 2100≤In≤630≥2< 210In±20%,5-10In±20%