Product DescriptionRCBOs type B grant protection to persons and machineries in presence of DC current and high frequency AC fault current. Among the several types of RCBOs......
AC pure sinus residual current, 50/60Hz
A sinus and pulsating direct current, 50/60Hz
B: AC + A + smooth direct current + high frequency (1kHz)
IEC/EN 61009-1 Basic standards for RCBOs AC and A type
IEC/EN 62423 additional requirements for type B
Fault protection (protection against indirect contact of live parts
Additional protection (protection in case of direct contact of live parts, I∆n≤30mA)
Fire Protection (for locations exposed to fire hazard, I∆n≤300mA)
Photovoltaic systems, AC side.
Charging stations for electric vehicles.
Variable speed machine tools.
UPS, computer data centers.
Elevator controls.
Cranes of all kinds.
Electronic equipment on construction sites.
Test set-ups in laboratories.
General installations where DC smooth direct residual currents can be expected.
GFL2-40B B type RCBO maximum current can reach 40 amps, and three leakage current options of 30mA, 100mA and 300mA are available to meet the needs of different scenarios.
Mode | Electromagnetic | |||
Type | AC, A | |||
Rated current In | 6,10,16,20,25,32,40A | |||
Poles | 1P+N | |||
Rated voltage Ue | 230/240V~ | |||
Insulation voltage Ui | 500V | |||
Rated frequency | 50/60Hz | |||
Rated residual operating current(I△n) | 30,100,300mA | |||
Break time under I△n | ≤0.1s | |||
Rated breaking capacity | 6,000A | |||
Energy limiting class | 3 | |||
Rated impulse withstands voltage (1.5/50) Uimp | 4,000V | |||
Dielectric test voltage at ind.Freq. for 1min | 2kV | |||
Pollution degree | 2 | |||
Thermo-magnetic release characteristic | B, C | |||
Mechanical Features | Electrical life | 4,000 Cycles | ||
Mechanical life | 10,000 Cycles | |||
Contact position indicator | Yes | |||
Protection degree | IP20 | |||
Reference temperature for setting of thermal element | 30℃ | |||
Ambient temperature (with daily average≤35℃) | -5℃~+40℃ | |||
Storage temperature | -25℃~+70℃ | |||
Installation | Terminal connection type | Cable/Pin-type busbar/U-type busbar | ||
Terminal size top/bottom for cable | 25mm2 18-3AWG | |||
Terminal size top/bottom for busbar | 25mm2 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 | Type | Tripping current, I△/A | ||
AC | 0.5I△n<I△<I△n | |||
A | Lagging Angle | I△n>0.01A | I△n≤0.01A | |
0° | 0.35I△n≤I△≤1.4I△n | 0.35I△n≤I△≤2I△n | ||
90° | 0.25I△n≤I△≤1.4I△n | 0.25I△n≤I△≤1.4I△n | ||
135° | 0.11I△n≤I△≤1.4I△n | 0.11I△n≤I△≤2I△n |
Detectable wave form | Pulsating direct current sensitive | Surge current proof |
B class Tripping is ensured for sinusoidal AC residual currents pulsed DC residual currents, alternating residual sinusoidal currents up to 1000Hz, pulsating direct residual currents and for smooth direct residual currents, whether applied suddenly or increasing slowly. | ![]() ![]() They react to AC and pulsating DC fault currents which reach 0 or almost 0 within one time period of the main frequency. | ![]() ![]() RCCB’s surge capacity. Not tripping at standardized 8/20 υs surge-current waves acc.to VDE 0432 Part 2 with surge current values of up to 250A. |