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Product Introduction
The residual current circuit breaker (RCCB) is an important safety measure for the protection of electrical circuits. It is a current-sensing device that automatically measures and breaks the circuit whenever a fault occurs in the connected circuit or when the current exceeds the rated sensitivity.
This series of circuit breakers are three phases, if any one phase is missing, the circuit breaker leakage protection mode can still work normally; rated residual action current and maximum disconnection time are adjustable according to the actual situation on site; when the phase voltage is reduced to 550V, the leakage protection module can still work normally.
Product Parameter
Model | ZYMM1-630L | ||
Rated current In(A) | 400,500,630 | ||
Number of poles | 3 | 4 | |
Rated insulation voltage Ui(V) | AC800 | ||
Rated working voltage Ue(V) | AC400 | ||
Rated impulse withstand voltage Uimp(V) | 8000 | ||
Arcing distance(mm) | 100 | ||
Breaking capacity level | M | H | |
Ultimate short-circuit breaking capacity Icu(kA) | AC400V | 70 | 100 |
Operating short-circuit breaking capacity Ics(kA) | AC400V | 50 | 65 |
Rated residual short-circuit switching (breaking) capacity I△m(kA) | 17.5 | 25 | |
Rated residual action current I△m(mA) | Non-delayed type | 300/500/1000 | |
Time-delayed type | 300/500/1000 | ||
Rated residual non-action current I△no(mA) | 1/2 I△n | ||
Operational performance/times | Electrify | 1000 | |
No electricity | 4000 | ||
Total number of times | 5000 | ||
Residual current protection action time | 10 I△n | ||
Maximum breaking time(S) | Non-delayed type | 0.04 | |
Time-delayed type | 0.25/0.9/1.9 | ||
Features & Benefits
Provides protection against voltage fluctuations as it includes a filter against transient voltage levels.
Automatic circuit break when rated sensitivity is exceeded.
This type is very effective types of protection against shock.
FAQ
Q:How many RCCB is required for a house?
A:In general, 60ma and 100mA are installed in most houses to provide a balance between no obvious faults and genuine faults.
Q:What does RCCB protect?
A:The RCCB is particularly useful in the event of a sudden earth fault, where the circuit will immediately trip, thus protecting people from electric shocks.
Product Introduction
The residual current circuit breaker (RCCB) is an important safety measure for the protection of electrical circuits. It is a current-sensing device that automatically measures and breaks the circuit whenever a fault occurs in the connected circuit or when the current exceeds the rated sensitivity.
This series of circuit breakers are three phases, if any one phase is missing, the circuit breaker leakage protection mode can still work normally; rated residual action current and maximum disconnection time are adjustable according to the actual situation on site; when the phase voltage is reduced to 550V, the leakage protection module can still work normally.
Product Parameter
Model | ZYMM1-630L | ||
Rated current In(A) | 400,500,630 | ||
Number of poles | 3 | 4 | |
Rated insulation voltage Ui(V) | AC800 | ||
Rated working voltage Ue(V) | AC400 | ||
Rated impulse withstand voltage Uimp(V) | 8000 | ||
Arcing distance(mm) | 100 | ||
Breaking capacity level | M | H | |
Ultimate short-circuit breaking capacity Icu(kA) | AC400V | 70 | 100 |
Operating short-circuit breaking capacity Ics(kA) | AC400V | 50 | 65 |
Rated residual short-circuit switching (breaking) capacity I△m(kA) | 17.5 | 25 | |
Rated residual action current I△m(mA) | Non-delayed type | 300/500/1000 | |
Time-delayed type | 300/500/1000 | ||
Rated residual non-action current I△no(mA) | 1/2 I△n | ||
Operational performance/times | Electrify | 1000 | |
No electricity | 4000 | ||
Total number of times | 5000 | ||
Residual current protection action time | 10 I△n | ||
Maximum breaking time(S) | Non-delayed type | 0.04 | |
Time-delayed type | 0.25/0.9/1.9 | ||
Features & Benefits
Provides protection against voltage fluctuations as it includes a filter against transient voltage levels.
Automatic circuit break when rated sensitivity is exceeded.
This type is very effective types of protection against shock.
FAQ
Q:How many RCCB is required for a house?
A:In general, 60ma and 100mA are installed in most houses to provide a balance between no obvious faults and genuine faults.
Q:What does RCCB protect?
A:The RCCB is particularly useful in the event of a sudden earth fault, where the circuit will immediately trip, thus protecting people from electric shocks.
