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S7Ⅰ-63 Mini Circuit Breaker

Application

S7Ⅰ-63 mini circuit breaker is used in AC 50/60Hz, rated voltage 240/415V, rated current to 63A for
overload and short-circuit protection as well as for unfrequent switchover under normal condition.
Breakers are suitable for industrial, commercial, high-rise and residential place.

Specifications
■ Rated current: 1A,2A,3A,4A,6A,10A,16A,20A,25A,32A,40A,50A,63A;
■ Instantaneous release: B type(3~5)ln, C type (5~10)ln, D type (10~14)ln;
■ Poles: a, single pole,
b, with two protect breakers,
c, with three protect breakers,
d, with four protect breakers.

Main technical parameters
Rated capacity of short-circuit breaking (Table 1) (Table 1)
Rated current Pole Rated voltage Rated short-circuit current (A)
1~63A 1 240/415 6000
2, 3, 4 400 6000

Mechanical and electrical life (Table 2) (Table 2)
Category Times Operating frequency (times/h) Rated current
240 1-37
Electrical life 4000
120 40-63
Mechanical life 20000 240 1-63

Overcurrent protection features in the 30℃~35℃(Table 3) (Table 2)
Number Tripping rated Initial state Test Specified Expected Remarks
current current time results Not trip
1 1-63 Cold state 1.13In 1≤1h Not trip
2 1-63 Immediately preceding paragraph Current rose to a specified value
After the field test 1.45In 1＜1h Trip in the stable ground within 5s
3 In≤32 Cold state 2.55In 1s＜t＜60s Trip
In＞32 Cold state 2.55In 1s＜t＜120s Trip
4 1-63 Cold state 3In 1≤0.1s Not trip
5In 1＜0.1s Trip B-type
5In 1≤0.1s Not trip
10In 1＜0.1s Trip C-type
10In 1≤0.1s Not trip D-type
14In 1＜0.1s Trip

Wiring, the use of 25mm²wires (Table 4), wirings with clamp screws, torque 2N•m (Table 4)
Rated current Copper conductors nominal cross-sectional area
1-6 1
10 1.5
16、20 2.5
25 4
32 6
40、50 10
Type 7
63 16

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