GFB1-125ZGH DC circuit breaker

Category:

Product Classification

Miniature Circuit Breaker

GFB1-125ZGH DC circuit breaker is used in lines with rated voltage up to 2000V and rated current up to 63A for overload and short circuit protection, and can also be used as infrequent operation conversion of the line。
● Standard: IEC/EN60947-2
●Tripping Mode：Thermal-Magnetic Tripping
● Rated current: 1A~63A
● Rated voltage: 500/1000V/1500V/2000V
● Number of poles: 1P,2P,3P,4P
● Rated Breaking Capacity: 3kA
● Ambient air temperature: -35℃~+70℃
● Connection: From top and bottom
● Certificates: CB, CE, UKCA,SEMKO

E-mail:

gf@gf-ele.com

Product Description

●Model and Meaning ●Introduction

GFB1-125ZGH DC circuit breaker is used in lines with rated voltage up to 2000V and rated current up to 63A for overload and short circuit protection, and can also be used as infrequent operation conversion of the line。
Circuit breakers are suitable for DC system applications such as communication and photovoltaic systems。
Product complies with standard: IEC/EN60947-2。

● Product features
● Built-in shorting connection to improve installation efficiency and reduce the risk of wiring errors;
● Guide rail installation, installation clip super travel, after the installation of the busbar, a single product can be quickly replaced;
● Touch head position indicator window, working status at a glance;
● DC power supply has polarity application, voltage up to DC2000V, to meet PV module load and photovoltaic line system applications。

●Technical Parameters

Product Model	GFB1-125ZGH
Standard	IEC/EN60947-2
Protection	Overcurrent and short circuit
Type of trip	Thermo-magnetic
No. of poles	1P,2P,3P,4P
Rated currents (In)	1A,2A,3A,4A,5A,6A,10A,16A,20A,25A,32A,40A,50A,63A
Rated voltage (Ue)	1P(500VDC), 2P(1000VDC), 3P(1500VDC),4P(2000VDC)
Rated insulation voltage (Ui)	2000V
Rated Breaking Capacity	3kA
Rated impulse withstand voltage (1.2/50) Uimp	4kV
Dielectric test voltage at Ind. Freq. for 1 min	3kV
Thermal release characteristic	(1.05-1.30) x In
Magnetic release characteristic	(8-12) x In
Electrical life	1500 Cycles
Mechanical life	20000 Cycles
Contact position indicator	Yes
Protection degree	IP20
Ambient temperature	-35℃ to +70℃, Max. 95% humidity
Terminal connection type	Cable/Pin-type busbar/Fork-type busbar
Max. terminal size for cable	25mm²
Max. tightening torque	2.5N·m
Installation	Mounting on 35mm DIN rail
Connection	According to the wiring diagram

●Product Types Choosing

No. of poles	Rated Current	Rated breaking capacity	No. of poles	Rated Current	Rated breaking capacity
1P	1A	GFB1-125ZGH1C01	2P	1A	GFB1-125ZGH2C01
	2A	GFB1-125ZGH1C02		2A	GFB1-125ZGH2C02
	3A	GFB1-125ZGH1C03		3A	GFB1-125ZGH2C03
	4A	GFB1-125ZGH1C04		4A	GFB1-125ZGH2C04
	5A	GFB1-125ZGH1C05		5A	GFB1-125ZGH2C05
	6A	GFB1-125ZGH1C06		6A	GFB1-125ZGH2C06
	10A	GFB1-125ZGH1C10		10A	GFB1-125ZGH2C10
	16A	GFB1-125ZGH1C16		16A	GFB1-125ZGH2C16
	20A	GFB1-125ZGH1C20		20A	GFB1-125ZGH2C20
	25A	GFB1-125ZGH1C25		25A	GFB1-125ZGH2C25
	32A	GFB1-125ZGH1C32		32A	GFB1-125ZGH2C32
	40A	GFB1-125ZGH1C40		40A	GFB1-125ZGH2C40
	50A	GFB1-125ZGH1C50		50A	GFB1-125ZGH2C50
	63A	GFB1-125ZGH1C63		63A	GFB1-125ZGH2C63
3P	1A	GFB1-125ZGH3C01	4P	1A	GFB1-125ZGH4C01
	2A	GFB1-125ZGH3C02		2A	GFB1-125ZGH4C02
	3A	GFB1-125ZGH3C03		3A	GFB1-125ZGH4C03
	4A	GFB1-125ZGH3C04		4A	GFB1-125ZGH4C04
	5A	GFB1-125ZGH3C05		5A	GFB1-125ZGH4C05
	6A	GFB1-125ZGH3C06		6A	GFB1-125ZGH4C06
	10A	GFB1-125ZGH3C10		10A	GFB1-125ZGH4C10
	16A	GFB1-125ZGH3C16		16A	GFB1-125ZGH4C16
	20A	GFB1-125ZGH3C20		20A	GFB1-125ZGH4C20
	25A	GFB1-125ZGH3C25		25A	GFB1-125ZGH4C25
	32A	GFB1-125ZGH3C32		32A	GFB1-125ZGH4C32
	40A	GFB1-125ZGH3C40		40A	GFB1-125ZGH4C40
	50A	GFB1-125ZGH3C50		50A	GFB1-125ZGH4C50
	63A	GFB1-125ZGH3C63		63A	GFB1-125ZGH4C63

●Connecting lead

Rated current In (A)	Nominal cross-sectional area S (mm²) of copper wire
1、2、3、4、5、6	1
10	1.5
16、20	2.5
25	4
32	6
40、50	10
63	16

●Diagram of DC Application Wiring

●Appearance and Installation Dimensions ●Characteristic Curves

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GFB1-125ZGH DC circuit breaker

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