GFB1-63 Miniature Circuit Breaker
The GFB1-63 circuit breaker is a versatile and reliable device designed to protect electrical circuits from overloads and short circuits. It features an advanced structure, high breaking capacity, and a visually appealing design, making it suitable for a wide range of applications.
● Standard: IEC/EN/BS EN60898-1
●Tripping Mode: Thermal-Magnetic Tripping
● Rated current: 1A~63A
● Rated voltage: 230/400V~240/415V
● Number of poles: 1P,2P,3P,4P
● Rated short-circuit breaking capacity: 6kA
● Tripping curve: B, C, D
● Ambient air temperature: -25℃~+40℃
● Connection: From top and bottom
● Certificates: CB, CE, UKCA,SEMKO
Product Description
●Model and Meaning ●Introduction
The GFB1-63 range miniature circuit breakers are primarily used in power distribution lines (terminal distribution lines in commercial office buildings, residential buildings, and general industrial applications),new energy, and transportation, with a rated voltage of 230/400V to 240/415V AC (50/60Hz) and a rated current of 1A to 63A. They provide overload and short-circuit protection for these lines. Under normal circumstances,these lines can be switched infrequently. These miniature circuit breakers feature unique curves (B, C, and D)and varying breaking capacities (6kA) to ensure effective load protection。
The GFB1-63 range miniature circuit breakers are installed using a 35mm DIN rail, with a mounting clip length of up to 30mm, providing greater adaptability. This range of circuit breakers is designed to comply with the IEC/EN standard energy level 3 requirements, greatly improving the safety of the electrical system。
Product complies with standard: IEC/EN/BS EN60898-1。
●Technical Parameter
Product Model | GFB1-63 |
Tripping Mode | Thermal-Magnetic Tripping |
Number of Poles | 1P、2P、3P、4P |
Rated voltage (Ue) | 230/400V~240/415V AC（50/60Hz） |
Rated current (In) | 1A、2A、3A、4A、5A、6A、10A、16A、20A、25A、32A、40A、50A、63A |
Rated insulation voltage (Ui) | 500V |
Rated Breaking Capacity | 6kA |
Energy Level | 3 |
Rated impulse withstand voltage (Uimp) | 4KV |
Dielectric Strength | 2kV (50Hz, 1 minute) |
Time-Delay Characteristics | (1.13～1.45)×In |
Instantaneous Characteristics | Type B: (3~5)×In; Type C: (5~10)×In; Type D: (10~20)×In |
Electrical Life | 4000 Cycles |
Mechanical Life | 20000 Cycles |
Contact Position Indicator | Yes, ON (red); OFF (green) |
Protection Degree | IP20 |
Ambient Temperature | -25℃~+40℃, Maximum Humidity 95% |
Terminal Connection Type | Cable, Pin Busbar |
Maximum Connectable Conductor Cross-Sectional Area | 25mm² |
Maximum Withstand Torque | 2.5N·m |
Installation method | Mounted on 35mm DIN rail |
Connection | From top and bottom |
●Product Types Choosing
| Rated Current | B curve | C curve | D curve | |||
1A | GFB1-63-1B01 | GFB1-63-2B01 | GFB1-63-1C01 | GFB1-63-2C01 | GFB1-63-1D01 | GFB1-63-2D01 |
GFB1-63-3B01 | GFB1-63-4B01 | GFB1-63-3C01 | GFB1-63-4C01 | GFB1-63-3D01 | GFB1-63-4D01 | |
2A | GFB1-63-1B02 | GFB1-63-2B02 | GFB1-63-1C02 | GFB1-63-2C02 | GFB1-63-1D02 | GFB1-63-2D02 |
GFB1-63-3B02 | GFB1-63-4B02 | GFB1-63-3C02 | GFB1-63-4C02 | GFB1-63-3D02 | GFB1-63-4D02 | |
3A | GFB1-63-1B03 | GFB1-63-2B03 | GFB1-63-1C03 | GFB1-63-2C03 | GFB1-63-1D03 | GFB1-63-2D03 |
GFB1-63-3B03 | GFB1-63-4B03 | GFB1-63-3C03 | GFB1-63-4C03 | GFB1-63-3D03 | GFB1-63-4D03 | |
4A | GFB1-63-1B04 | GFB1-63-2B04 | GFB1-63-1C04 | GFB1-63-2C04 | GFB1-63-1D04 | GFB1-63-2D04 |
GFB1-63-3B04 | GFB1-63-4B04 | GFB1-63-3C04 | GFB1-63-4C04 | GFB1-63-3D04 | GFB1-63-4D04 | |
5A | GFB1-63-1B05 | GFB1-63-2B05 | GFB1-63-1C05 | GFB1-63-2C05 | GFB1-63-1D05 | GFB1-63-2D05 |
GFB1-63-3B05 | GFB1-63-4B05 | GFB1-63-3C05 | GFB1-63-4C05 | GFB1-63-3D05 | GFB1-63-4D05 | |
6A | GFB1-63-1B06 | GFB1-63-2B06 | GFB1-63-1C06 | GFB1-63-2C06 | GFB1-63-1D06 | GFB1-63-2D06 |
GFB1-63-3B06 | GFB1-63-4B06 | GFB1-63-3C06 | GFB1-63-4C06 | GFB1-63-3D06 | GFB1-63-4D06 | |
10A | GFB1-63-1B10 | GFB1-63-2B10 | GFB1-63-1C10 | GFB1-63-2C10 | GFB1-63-1D10 | GFB1-63-2D10 |
GFB1-63-3B10 | GFB1-63-4B10 | GFB1-63-3C10 | GFB1-63-4C10 | GFB1-63-3D10 | GFB1-63-4D10 | |
16A | GFB1-63-1B16 | GFB1-63-2B16 | GFB1-63-1C16 | GFB1-63-2C16 | GFB1-63-1D16 | GFB1-63-2D16 |
GFB1-63-3B16 | GFB1-63-4B16 | GFB1-63-3C16 | GFB1-63-4C16 | GFB1-63-3D16 | GFB1-63-4D16 | |
20A | GFB1-63-1B20 | GFB1-63-2B20 | GFB1-63-1C20 | GFB1-63-2C20 | GFB1-63-1D20 | GFB1-63-2D20 |
GFB1-63-3B20 | GFB1-63-4B20 | GFB1-63-3C20 | GFB1-63-4C20 | GFB1-63-3D20 | GFB1-63-4D20 | |
25A | GFB1-63-1B25 | GFB1-63-2B25 | GFB1-63-1C25 | GFB1-63-2C25 | GFB1-63-1D25 | GFB1-63-2D25 |
GFB1-63-3B25 | GFB1-63-4B25 | GFB1-63-3C25 | GFB1-63-4C25 | GFB1-63-3D25 | GFB1-63-4D25 | |
32A | GFB1-63-1B32 | GFB1-63-2B32 | GFB1-63-1C32 | GFB1-63-2C32 | GFB1-63-1D32 | GFB1-63-2D32 |
GFB1-63-3B32 | GFB1-63-4B32 | GFB1-63-3C32 | GFB1-63-4C32 | GFB1-63-3D32 | GFB1-63-4D32 | |
40A | GFB1-63-1B40 | GFB1-63-2B40 | GFB1-63-1C40 | GFB1-63-2C40 | GFB1-63-1D40 | GFB1-63-2D40 |
GFB1-63-3B40 | GFB1-63-4B40 | GFB1-63-3C40 | GFB1-63-4C40 | GFB1-63-3D40 | GFB1-63-4D40 | |
50A | GFB1-63-1B50 | GFB1-63-2B50 | GFB1-63-1C50 | GFB1-63-2C50 | GFB1-63-1D50 | GFB1-63-2D50 |
GFB1-63-3B50 | GFB1-63-4B50 | GFB1-63-3C50 | GFB1-63-4C50 | GFB1-63-3D50 | GFB1-63-4D50 | |
63A | GFB1-63-1B63 | GFB1-63-2B63 | GFB1-63-1C63 | GFB1-63-2C63 | GFB1-63-1D63 | GFB1-63-2D63 |
GFB1-63-3B63 | GFB1-63-4B63 | GFB1-63-3C63 | GFB1-63-4C63 | GFB1-63-3D63 | GFB1-63-4D63 | |
●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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