GFH1-250 Switch Disconnector

Category:

Product Classification

Switch Disconnector

E-mail:

gf@gf-ele.com

Product Description

●Model and Meaning ●Introduction

The GFH1-250 isolating switch is a manually operated device designed for electrical isolation in low-voltage distribution systems, primarily used in applications with rated currents ranging from 125A to 250A. Its core function is to provide a visible disconnection point during equipment maintenance or line upkeep, ensuring complete isolation between circuits and power sources while safeguarding operator safety.
The GFH1-250 isolator offers rail-mounted and panel-mounted installation options, demonstrating enhanced adaptability. With its high current-carrying capacity, reliable isolation performance, and flexible safety locking mechanism, this device provides critical safety assurance for medium-scale power applications. Proper selection and application of this product are essential for ensuring the secure and stable operation of power systems, significantly improving the overall safety of electrical installations.
Product complies with standard: IEC/EN/BS EN60947-3。

●Technical Parameters

Product Model	GFH1-250
Number of Poles	4P
Rated voltage (Ue)	415V AC（50/60Hz）
Rated current (In)	125A,160A,200A,250A
Rated insulation voltage (Ui)	500V
Rated impulse withstand voltage (Uimp)	6kV
Dielectric Strength	2kV (50Hz, 1 minute)
Rated capacity to connect and disconnect	3Ie，1.05Ue，cosφ=0.65
Rated short-term withstand current Icw	12Ie, power on time 1s
Rated short circuit capacity Icm	20Ie, power on time 0.1s
rated duty	uninterrupted duty
Use classes	AC-22A
Electrical Life	1500 Cycles
Mechanical Life	20000 Cycles
Protection Degree	IP20
Ambient Temperature	-5℃~+40℃, Maximum Humidity 95%
Maximum Connectable Conductor Cross-Sectional Area	95mm2
Touch point position indicator	possess