Service Range
SKEC series moulded case circuit breaker is suitable for industrial or commercial power and lighting with AC 50/60Hz, rated working voltage up to AC600V/DC250V. rated current up to 1200A, It's a kind of economical breaker with the characters of stable and reliable function,beautiful appearance, small size and long life. It can be used for conversion of line and infrequent starting motor.
Product Parameters
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Item No. |
SKEC250 |
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Number of poles |
3P、4P |
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Control |
Manual |
With toggle/with direct or extended rotary handle |
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Connection |
fixed |
Front connections/rear connections |
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Electrical characteristics are per IEC60947 and EN60947-2 |
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Rated current |
（A） |
100,125,160,200,250 |
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Rated insulation voltage |
(V), Ui |
690 |
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Rated operational voltage |
(V), Ue |
AC50/60Hz,440 |
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Rated impulse withstand voltage |
(kV), Uimp |
6 |
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Endurance(Durability) |
Mechanical |
15000 |
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Electrical |
440V |
5000 |
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Protection |
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Release |
Thermal magnetic |
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Overload protection |
YES |
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Short-circuit protection |
YES |
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Earth-leakage protection |
NO |
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Indication and control auxiliaries |
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Auxiliary contact AX and Alarm contact AL |
YES |
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Combined AX+AL |
YES |
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SHT shunt release |
24V、220V、380V |
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UVR under-voltage release |
YES |
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Installation /connection |
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Accessories |
Terminal extensions |
YES |
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Terminal shields |
NO |
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Phase barriers |
YES |
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Demensions |
(mm) |
3P |
165*105*85.5 |
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4P |
165*140*85.5 |
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