TSB8 Mini Circuit Breaker
TSB8 Mini Circuit Breaker


TSB8-63 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and short circuit, and rated current up to 63A. It can also beused for infrequent line conversion under the normal condition.The breaker is applicable to light-ing distribution system in industrial enterprise, commercially district, high-rise building and dwell-ing house. It conforms with the standards of IEC60898.


Type TSB8-63
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
Ambient temperature -5oC~+40oC
Type of Instantaneous release B,C,D
Rated short circuit breaking capacity Icn(KA) 10

3. Applicable conducting wire

Rated current(A) Norminal cross section of wire mm2
1-6A 1
10A 1.5
16,20A 2.5
25A 4
32A 6
40,50A 10
63A 16

4. The over-current protection property

Ambient Temperature Initial Status Test Current Expected Result Expected Result Note
302oC Cold position 1.13In t1h Non-release -
Carried out immediately after previous test 1.45In t<1h Release -
Cold position 2.55In 1s < t < 60s(In32A) Release Current smoothly rises tospecified value within 5s
Cold position 2.55In 1s < t < 120s(In>32A) Release
-5~+40oC Cold position 3In t0.1s Non-release Type B
Cold position 5In t<0.1s Release Type B
Cold position 5In t0.1s Non-release Type C
Cold position 10In t<0.1s Release Type C
Cold position 10In t0.1s Non-release Type D
Cold position 20In t<0.1s Release Type D

5. Dimension