General
1.Protection against the effects of sinusoidal alternating earth fault currents
2.Protection against indirect contacts and additional protection against direct contacts
3.Protection against fire hazard caused byinsulation faults
4.Controlling and Switching
5.Used in residential building,non-residential building,energysources,industryand infrastructure

General
The YCB9-80 series miniaturecircuit breakerare suitable forovercurrent protection ofbuilding line facilities and similar purposes in AC50/60Hz,ratedvoltage 230V/400M,rated current up to 80Acircuits.They have isolation,oveload,andshort circuit protectionfunctions,and can also be used forinfrequentoperationandswitching oflines undernormal dircumstances.Gircuit breakersaresuitable for various places suchas industrycommerce,high-rise buildings,and residential buildings.
Standard:IEC/EN 60898-1

General
1.Overload protection
2.Short circuit protection
3.Controlling
4.Used in residential building,non-residential building,energy source industry and infrastructure
5.According to thetypeof instantaneous releaseclassified as follows:type B(3-5)In,type C(5-10)In

General
1.Protection against overloadand short-circuit currents
2.Protection against the effects of sinusoidalalternatingearthfault currents
3.Protection against indirect contacts andadditional protection against direct contacts.
4.Protectionagainst fire hazard causedby insulation faults
5.Usedin residential building
6.According to the type of instantaneousrelease dassified as follows:type B(3-5)In,type C(5-10)In,type D(10-20)In

General
1.Protection against overloadandshort-circuit currents
2.Protection against the effects of sinusoidalalternating earth fault currents
3.Protection againstindirect contacts and additional protection against directcontacts.
4.Protection againstfire hazardcausedbyinsulation faults
5.Usedin residential building
6.According tothe type ofinstantaneous releasedassified as follows :type B(3-5)In,type C5-10)In

GW5 outdoor MV isolating switch isused for three-phase AC 50Hz outdoor high voltage electrical equipment,used for the line toswitching under voltagepressed no load condition,and electrical isolation the maintenanced high voltage bus,circuit breakersand other electrical equipment and chargedhigh voltage line,canalso be used for the opening and dosing small capacitanceorinductance current.When the knife in the normal break position,can provide a insulation distance consistent with safetyrequirements.Widely used in 35~110kV substation

GW4 outdoor MV isolation switch is used for three-phase AC 50Hz outdoor high-voltage electrical equipment,switching of linesunder high-voltage no-load conditions,and electrically isolating electrical equipment such as high-voltage busbars,circuitbreakers,and live high-voltage equipment for maintenance voltage lines,can also be used to switchsmall capacitor or inductorcurrent.Whenthe knifeis in the normal open circuit position,it can provide insulation distancethat meets safety requirements Widely used in 35-110kV substations