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W7L Residual Current Breaker Overload

Specifications

■ Summarize; ■ Normal operation and mounting requirement;
■ Construction features; ■ Main technical parameters;
■ Order note; ■ Overall and mounting dimensioned chart;
■ Product's advantage; ■ Certificates and guarantees.

Standard:GB16917.1
■ Residual current characteristics:AC; ■ Rated voltage:230/240V;
■ Pole No:1P+N; ■ Rated frequency:50Hz;
■ Tripping curve:B,C; ■ Rated residual operating current (A):0.03;
■ Rated short-circuit cappcity:6000A; ■ Tripping duration instantaneous≤0.1s;
■ Rated current (A):6,10,16,20,25,32; ■ Electro-mechanical endurance:3000 cycles.

Overcurrent tripping characteristic
Overcurrent tripping characteristic of circuit breakers under normal installation conditions and the
reference ambient temperature of 30℃(+5℃) should meet the following requirements.
Test Type Test current (A) Initial state Tripping or not tripping time limit Expect results Remarks
a B,C 1.13In Clod state t≥1h Not trip
b B,C 1.45In Test t＜1h Trip The current stability added to
immediately the specified value within 5s
c B,C 2.55In Cold state 1s＜t＜60s(In≤32A) Trip
1s＜t＜120s(In＞32A)
d B 3In Cold state t≥0.1s Not trip The current stability added to
C 5In the specified value within 5s
e B 5In Cold state t＜0.1s Trip Closed auxiliary switch
C 10In connected to the current

Breaker main technical parameters
Rated Poles Frame Rated Rated residual Rated residual Breaking Breaking Release
voltage size rated current operating non-operating capacity time type
(V) current(A) (A) current I△n(A) current I△n0(A) (A) (S)
230/240V 1P+N 32 6,10,16 0.03 0.5I△n 4500,6000 ≤0.1 B,C
20,25,32
Mechanical life
The circuit breaker mechanical electrical life of 3000 times, 2000 times the load operation and 1000
no-load operation.

Dimensions

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