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> SL7 Series miniature circuit breaker
Standard: IEC60898

> Construction and Feature
C series high switch-off ability miniature circuit breaker is applicable to a line of AC 50/
60Hz, rated voltage 230/400V and rated current up to 63A, used for overload and short
circuit protection. It can also be used for infrequent line conversion under the normal condition.
The breaker is applicable to industrial enterprise, commercially district, high-rise building
and dwelling house. It conforms with the standards of IEC60898.

> Main Technical Parameter
Type C
Pole 1P 2P, 3P, 4P
Rated current (A) 1,2,3,4,6,10,16,20,25,32,40,50,63
Rated voltage(V) 230 400
Type of instantaneous release B,C,D
Rated short circuit breaking capacity Icn(kA) 10
Electric life 8000
1-32A Mechanical life 20000
Operation frequency 240 times per hour
Life
(times) Electric life 8000
40-63A Mechanical life 20000
Operation frequency 120 times per hour

> The Over-current Protection Property
Ambient Test Test time Expected
temperature Initial status current result Note
Cold position 1.13In t 1h Non-release –
Carried out immedi-
30±2˚C ately after previous test 1.45In t<1h Release –
1s<t<60s
Cold position 2.55In (In 32A) Release Current smoothly rises to
1s<t<120s specified value within 5s
Cold position 2.55In (In[32A) Release
Cold position 3In t 0.1s Non-release Type B
Cold position 5In t<0.1s Release Type B
-5~+40˚C Cold position 5In t 0.1s Non-release Type C
Cold position 10In t<0.1s Release Type C
Cold position 10In t 0.1s Non-release Type D
Cold position 20In t<0.1s Release Type D

> Dimension

>C 087