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B Type 400V RCCB Residual Current Circuit Breaker ELCB 63 Amp 4 Pole 30ma

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B Type RCCB Residual Current Circuit Breaker DC ELCB 2P 63 Amp 30mA Type B 10KA RCD

Residual current circuit breakers RCCBs are the safest devices for detecting and preventing the tripping of leakage currents, thus ensuring protection against electric shocks caused by indirect contact.
These devices must be used in series with MCBs or fuses to protect them from the potentially damaging thermal and dynamic stress of any overcurrent.
They can also be used as the main disconnecting switch upstream of any derived MCB.
The main purpose of the RCCB is to provide protection against direct and indirect contact with people or livestock, as well as possible fire, from shocks caused by electrical leakage, which can be fatal.

Technical Data

Mode						Electromagnetic
Type(wave form of the earth leakage sensed) Rated current In						63A
Poles						4P
Rated voltage Ue						4P 415V~
Insulation voltage Ui						500V
Rated frequency						50/60Hz
Rated residual operation current(I△n)						30mA
Rated residual operating current(I△dc)						6mA
Rated residual making and breaking capacity (I△m)						500A(In≤40A), 10In(In＞40A)
Short-circuit current Inc= I△c						10,000A 10000
Break time under I△n Rated impulse withstand voltage(1.5/50) Uimp						≤0.1s 4000V
Dielectric test voltage at ind.Freq. for 1min						2.5kV
Electrical life						2,000 Cycles
Mechanical life						4,000 Cycles

Installation

Contact position indicator						Yes
Protection degree Ambient temperature(with daily average≤35℃)						IP20 -5℃~+40℃
Storage temperature						-25℃~+70℃
Terminal connection type						Cable/Pin-type busbar/U-type busbar
Terminal size top/bottom for cable						35mm2 18-3AWG
Terminal size top/bottom for busbar						35mm2 18-3AWG
Tightening torque						2.5Nm 22In-lbs
Mounting						On DIN rail EN60715(35mm) by means of fast clip device
Connection						Power supply in both directions

Tripping Current Range

Lagging Angle
0°

I△n＞0.01A
0.35I△n≤I△≤1.4I△n

I△n≤0.01A
0.35I△n≤I△≤2I△n

90°

0.25I△n≤I△≤1.4I△n

0.25I△n≤I△≤2I△n

135°

0.11I△n≤I△≤1.4I△n

0.11I△n≤I△≤2I△n

RCD Protection

This device is very important in electrical wiring installations as a life protection device against electric shocks. Other circuit breakers can only detect overcurrent and short-circuit faults, but not leakage.
This is why the RCCB is very important, only this device can detect electrical leakage, which can cause injury or death to people and can lead to the risk of fire. When designing your distribution panel board, please ensure that this device is included in our planning of the installation.
Protection in case of indirect contact (indirect protection of persons) and fault protection when disconnection is caused by an impermissibly high touch voltage caused by a short circuit in an exposed conductive part.
Protection in case of direct contact (direct protection of persons) - disconnection as additional protection in case of direct contact with live conductors. If the device has a rated residual current of In - 30 mA, dangerous inrush currents are disconnected within a short time.

Certification:TUV

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