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Special Circuit Breaker(SCB)

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Special Circuit Breaker(SCB)

Product Introduction
According to relative standards “GB18802.1 and GB50057”, the front return circuit of Surge Protective Device(short for SPD) must be in series connection with current protector. Since the fuse and circuit breaker can’t coordinate and cooperate, it may lead to fire and accident of Equipment damage from lightning stroke when the SPD breaks down or occurs short circuit. Special Circuit Breaker(short for SCB) is specially designed for SPD. It doesn’t disconnect under high impulse current and can disconnect quickly when there is power current after SPD breaks down, which can eliminate the associated potential risks.
Technical Parameter

Item No.

DK-T1

DK-T2

DK-T3

Rated Working Voltage

230V AC

230V AC

230V AC

Impact Endurance Capacity

30kA(10/350μs)

80kA(8/20μs)

20kA(8/20μs)

150kA(8/20μs)

Power Frequency Action Current In(50/60Hz)

3A

3A

3A

Rated Limit Short-circuit Capacity Icu

100kA/65kA

50kA/35kA

35kA/15kA

Power Frequency Short-circuit Current Break-time

≤10ms

≤10ms

≤10ms

Shell Protection Class

IP20

IP20

IP20

Working Environment

Temperature: -25+70℃ Humidity: ≤95%

Installation Rail

EN60715(35mm)


Items Availabl

Item. No.

Dimension(mm)

DK-T1

100X36X66(1P)

DK-T2

100X18X66(1P)

DK-T3

100X18X66(1P)

Application Scope
1.DK-T1 Special Circuit Breaker is suitable for Surge Protective Device(SPD) of the Class I Testing.
2.DK-T2 Special Circuit Breaker is suitable for Surge Protective Device(SPD) of the Class II Testing.
3.DK-T3 Special Circuit Breaker is suitable for Surge Protective Device(SPD) of the Class III Testing.

Dimension

Special Circuit Breaker(SCB)

Wiring Diagram

Special Circuit Breaker(SCB)



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