GFB1L-40AFD AFDD RCBO Arc Fault Protection Circuit Breaker
GFB1L-40AFD Devices are a single module device which fits the existing busbar system of the existing arrangement. The device offers protection against overcurrent, short circuit, earth leakage and arc fault all in one device and are available in B&C Curve variants. It can direct replacement RCBO in existing consumer units.Residual current operated circuit-breaker with integral overcurrent protection as Fire protection switch,sensitive to pulsating and alternating currents Type A.
● Series：GFB1L-40AFD
● Standard: IEC/EN 61009-1, IEC 62026
● Type of RCBO: AC, A
● Rated current: 6A, 10A, 16A, 20A, 25A, 32A, 40A
● Rated voltage: 230/240V~
● Rated impulse withstand voltage: 4kV
● min. Operating voltage range of test circuit：196V
● max. Operating voltage range of test circuit：253V
● Operating frequency：50/60Hz
● Number of poles: 1P+N (with switched neutral)
● Rated Residual Operating Current ( I∆n): 10mA, 30mA, 100mA, 300mA,500mA
● Rated short-circuit breaking capacity: 6kA
● Tripping curve: B, C
● Ambient air temperature: -35 ºC-+70 ºC
● Connection: From bottom
● Certificates: CB,CE, UKCA, SEMKO
Product Description
●Model and Meaning ●Introduction
GFB1L-40AFD This device ensures reliable detection of both AC and pulsating DC leakage currents, enhancing safety in residential and commercial installations. Its integrated arc fault and overload protection functionality reduces the need for multiple components, simplifying wiring and saving space in the consumer unit. Designed for easy installation, it meets the latest electrical safety standards and provides effective fire prevention by quickly disconnecting the circuit upon detecting dangerous arcs or ground faults.
Ⓐ Core Features
1. Compact design
The single modular design is compatible with existing distribution box busbar systems, allowing direct replacement of traditional RCBOs without requiring any layout modifications.
2. Full-featured integrated protection
● Overload and short-circuit protection: Selectable B-type or C-type trip curves (B-type for residential use, C-type for high-surge equipment).
● Residual Current Protection (Type A): Detects AC and pulsating DC leakage currents with a sensitivity of 30mA (fire/electrocution protection).
● Arc Fault Detection and Protection (AFDD): Detects series/parallel arcs in compliance with IEC 62606.
3. Fire safety reinforcement
Quickly cut the dangerous arc caused by insulation aging, poor contact or grounding fault, and reduce the risk of electrical fire.
Ⓑ technological superiority
● Simplified installation: Eliminates the need for multiple components in traditional RCBO+AFDD+MCB systems, saving space in distribution boxes.
● Compatibility: Compatible with existing Consumer Units, supporting plug-and-play upgrades.
● What types of circuits can AFDD be used on?
In AC single-phase circuits not exceeding 230V, that includes ring circuits, radials etc. Where used, AFDD shall be placed at the origin of the circuit to be protected.
● High-standard certification: Complies with IEC 61009-1 (RCBO), IEC 62606 (AFDD), and local electrical safety regulations.
Ⓒ Matters need attention
● The test arc current is the expected current before ignition occurs in the test circuit.
● Low arc currents can occur due to insulation faults phase to earth or series arcing.
●Complete Circuit Protection
GFB1L-40AFD smart power technology has more reliable,safer,and comprehensive power distribution solutions;more comprehensive protection;lnternet of Things,intelligent,fully automated;more compact dimensions LED fault prompt;support big data and customized applications.
| Over Current | Short Circuit | Earth Leakage | Series Arc Fult | Parallel Arc Fult | |
| MCB | √ | √ | X | X | X |
| RCCB | X | X | √ | X | X |
| RCBO | √ | √ | √ | X | X |
| AFDD | X | X | X | √ | √ |
| AFDD Integrated with RCBO | √ | √ | √ | √ | √ |
●Technical Parameters
Product Model | GFB1L-40AFD |
Standard | IEC/EN 61009-1, IEC 62026 |
No. of poles | 1P+N (N pole can be connected and disconnected) |
Rated currents (In) | 6A,10A,16A,20A,25A,32A,40A |
Rated sensitivity currents IΔn | 10mA,30mA,100mA,300mA,500mA |
Residual current off-time under IΔn | ≤ 0.1s |
Reted residual making and breaking capacity (IΔm) | 500A |
Rated short-circuit breaking capacity | 6kA |
Energy Limiting Class | 3 |
Rated voltage | 230/240V~ |
Operating frequency | 50/60Hz |
Type of RCBO | AC, A |
Type of protection (electric leakage) | A |
Tripping curve | B, C |
Protection | Arc Fault Protection, Overload Protection |
Short-Circuit Protection, Earth-Leakage Protection | |
Type of trip | Ground fault: Electronic |
Overload and short circuit: Thermo-magnetic | |
Min. Operating voltage range of test circuit | 196V |
Max. Operating voltage range of test circuit | 253V |
Rated impulse withstandard voltage (1.5/50) Uimp | 4kV |
Dielectric test voltage at Ind.Freq. for 1 min | 2kV |
Thermal release characteristic | (1.13-1.45) ×In |
Magnetic release characteristic | B: (3-5) ×In, C: (5-10) ×In |
Contact position indicator | Yes |
Protection degree | IP20 |
Electrical life | 4,000 Cycles |
Mechanical life | 10,000 Cycles |
Ambient temperature | -35 ºC-+70 ºC,Max.95% humidity |
Degree of pollution according to EN60664 | 2 |
Power cimitation category | 3 |
Housing material | Thermoplastic |
Neutral conductor position | Left,right |
Terminal connection type | Cable/Pin-type busbar |
Max. terminal size for cable | L(in): 25mm², N/L(out): 16mm² |
Max. tightening torque | L(in): 2.5N·m, N/L(out): 2N·m |
Installation | Mounting on 35mm DIN rail |
Connection | From bottom |
Certificates | CB,CE, UKCA, SEMKO |
●Product Types Choosing
Rated short-circuit breaking capacity | Rated Current(A) | Rated sensitivity currents IΔn | ||||
| 10mA | 30mA | 100mA | 300mA | 500mA | ||
| 6kA Type B | 6A | GFB1L40AFDB0610 | GFB1L40AFDB0630 | GFB1L40AFDB06100 | GFB1L40AFDB06300 | GFB1L40AFDB06500 |
| 10A | GFB1L40AFDB1010 | GFB1L40AFDB1030 | GFB1L40AFDB10100 | GFB1L40AFDB10300 | GFB1L40AFDB10500 | |
| 16A | GFB1L40AFDB1610 | GFB1L40AFDB1630 | GFB1L40AFDB16100 | GFB1L40AFDB16300 | GFB1L40AFDB16500 | |
| 20A | GFB1L40AFDB2010 | GFB1L40AFDB2030 | GFB1L40AFDB20100 | GFB1L40AFDB20300 | GFB1L40AFDB20500 | |
| 25A | GFB1L40AFDB2510 | GFB1L40AFDB2530 | GFB1L40AFDB25100 | GFB1L40AFDB25300 | GFB1L40AFDB25500 | |
| 32A | GFB1L40AFDB3210 | GFB1L40AFDB3230 | GFB1L40AFDB32100 | GFB1L40AFDB32300 | GFB1L40AFDB32500 | |
| 40A | GFB1L40AFDB4010 | GFB1L40AFDB4030 | GFB1L40AFDB40100 | GFB1L40AFDB40300 | GFB1L40AFDB40500 | |
| 6kA Type C | 6A | GFB1L40AFDC0610 | GFB1L40AFDC0630 | GFB1L40AFDC06100 | GFB1L40AFDC06300 | GFB1L40AFDC06500 |
| 10A | GFB1L40AFDC1010 | GFB1L40AFDC1030 | GFB1L40AFDC10100 | GFB1L40AFDC10300 | GFB1L40AFDC10500 | |
| 16A | GFB1L40AFDC1610 | GFB1L40AFDC1630 | GFB1L40AFDC16100 | GFB1L40AFDC16300 | GFB1L40AFDC16500 | |
| 20A | GFB1L40AFDC2010 | GFB1L40AFDC2030 | GFB1L40AFDC20100 | GFB1L40AFDC20300 | GFB1L40AFDC20500 | |
| 25A | GFB1L40AFDC2510 | GFB1L40AFDC2530 | GFB1L40AFDC25100 | GFB1L40AFDC25300 | GFB1L40AFDC25500 | |
| 32A | GFB1L40AFDC3210 | GFB1L40AFDC3230 | GFB1L40AFDC32100 | GFB1L40AFDC32300 | GFB1L40AFDC32500 | |
| 40A | GFB1L40AFDC4010 | GFB1L40AFDC4030 | GFB1L40AFDC40100 | GFB1L40AFDC40300 | GFB1L40AFDC40500 | |
●Connecting Line
Rated current In (A) | Nominal cross-sectional area S (mm²) of copper wire |
6、10 | 1-2.5 |
16 | 2.5-4 |
20、25 | 4-6 |
32 | 6-10 |
40 | 10-16 |
●Appearance and Installation Dimensions ●Characteristic Curves
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Yueqing Good Future Electrical Co.,Ltd.
Phone: +86 138 0686 5401
Tel: +86 577 6161 6165
Email : gf@gf-ele.com
No.136-138,Xinguang Avenue,Xinguang lndustrial Zone,Liushi Town
Yueqing City,Wenzhou City,Zhejiang Province,China
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