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HGL Series Transfer Isolation Switch

Applicable scope

HGL series isolation switches (hereinafter referred to as switches). Suitable forindustrial enterprise distribution equipment with AC 50Hz,rated voltage upto 660V,DC voltage up to 440V,and resistive current (lth)up to 3200A,usedfor infrequent connection and disconnection of circuits and electricalisolation (above 1000A only used for electrical isolation),widely used indistribution systems and automation systems in construction,power,petrochemical and other industries.
The switch has a beautiful appearance,novel and simple structure,convenient operation,and meets the IEC60947-3.GB14048.3 standard,which is the best choice for similar products!

→Download HGL Series Manual

Category

Description

Features

1.The switch employs a spring-stored energy,instant-releasemechanism for accelerated opening and closing,along with a paralleldouble-breakpoint contact structure,significantly improving the electricaland mechanical performance of the switch.
2.The switch is made of glass fiber-reinforced unsaturated polyestermolding material and a manual operating handle,providing high dielectricperformance,protective capability,and reliable operational safety.
3.The switch is available in both 3-pole and 4-pole configurations(3-pole with optional switchable neutral pole).
4.There is a marking window on the front face of the switch,indicatingthe open and closed status of the contacts.A rear observation window canbe provided as needed for direct monitoring of the contact status frombehind,ensuring reliable and safe switch operation.
5.The operating handle can be directly mounted on the switch(referred to as “in-cabinet operation”)or operated from outside the distribution cabinet by extending the shaft (referred to as “external cabinetoperation”),providing convenience in operation.
6.Auxiliary normally open (NO)and normally closed (NC)contacts canbe provided as required,along with dedicated mounting bases and front andrear panel wiring methods,to meet various user needs.
7.When in the “0”position,two to three locks can be used to secure thehandle to prevent accidental operation.

Rated Thermal Current Ith  (A) 160 250 400 630 1000 1250 1600 2500 3200
Rated Insulation Voltage UI 800V 1000V
Dielectric  Strength 3000V 3500V
Rated Impulse Withstand Voltage Uimp 8KV 12KV
Rated  Operational  Voltage  Ue AC400 660V
Rated Frequency 50Hz
Utilization  Category AC-21 22 23
Rated
OperationalCurrent
le(A)
AC
400V
AC-21 160 250 400 630 1000 1250 1600 2500 3200
AC-22 160 250 400 630 1000 1250 1600 2500 3200
AC-23 160 250 400 630 800 1000 1250 2000 2500
AC
660V
AC-21 160 250 400 630 1000 1250 1600 2500 3200
AC-22 100 200 315 400 630 630 800 1000 1250
AC-23 63 125 200 250 400 400 500 / /
Rated Making Capacity(A Rms) 10le
Rated Breaking  Capacity(A  Rms) 8le
Rated Short-Circuit Making
Capacity Icm(kA Rms)
12  17   30   40 70 100
1S Short-Time Withstand
Current Icw(kA Rms)
10  12   20   25 50 70
Mechanical Life(Times) 5000 3000 2000 1000
Electrical  Life(Times) 1000  600 300 /
Operating  Torque   (N ·m) 6.5  10 15 27 50
Weight kg
(excluding handle)
3 Pole 1.1 1.7 4.0 4.6 11.1 13.1 13.9 27.6 28.6
4 Pole 1.3 2.2 5.0 5.8 14.7 17.4 18.3 36.5 37.8
The main parameters of
auxiliary  switches
50Hz AC-15230V 3A
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