Meba isolator MB52 type

Meba isolator MB52 type is mainly used in AC50/60Hz single pole 230V or two, three, four pole 400V voltage for overload and short-circuit protection as well as for un-frequent on-and-off switching electric equipment and lighting circuit under normal condition, the product is suitable for industry, business, building, residence, etc. It’s conformity with GB10963, IEC60898 standards.

Meba isolator MB52 type

Standard IEC60898
Number of poles 1P, 2P, 3P, 4P
Rated current(In) 6, 10, 16, 20, 25, 32, 40, 50, 63
Rated voltage(Un) AC240/415V
Rated frequency 50/60Hz
Tripping curve B, C, D
Release action characteristics Time delay 1.13In>1h Non-trip
1.45In<1h trip
2.55In 1s-60S trip
Instantaneous(Curve C) 5In>0.1s Non-trip
10In<0.1s trip
Magnetic releases operate B curve:between 3 and 5In
C curve:between 5 and 10In
D curve:between 10 and 15In
Rated breaking capacity (Lcn) 3000A
Endurance >2500
Circumstance temperature -5 to +40℃
Electrical life >6000times
Mechanical life 20000 times
Tropical ration Treatment 2(RH95%, at 55℃)
Protection degree IP20



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