Richforth Electronics Company

Model Number: GW4 Brand Name: POWERY Key Specifications/Special Features: Voltage: 10 to 110kV AC (3-phase)Frequency: 50HzHigh voltageNo load voltage for portion of circuit and in close to beoverhaul of high pressure generatrix, circuit breaker electricalequipment and charged high voltage electrical isolation inlinesSuitable for outdoor use

Standards: GB1985 - 2004, IEC62271 - 102 : 2002AC and IEC60694: 1996

Product features:

• It adopts external-pressured contact-finger structure, treatedwith silver plated on its surface
• It adopts new type contact head and finger, larger contactingarea compared with original contact head and finger, enables it tobetter heat dissipation, eliminate impact from skin effect, goodself-cleaning and counter-corrosion
• Wiring block and wiring terminal are connected with fixedflexible connection
• Conductive tube adopts aluminum-alloy square-shaped tube, goodheat radiation effect, then anodic oxidation treatment onappearance coated with corrosion-prevention acrylic polyurethanesilver-powder paint, highly improving corrosion-preventionability
• Rotary parts are made of stainless steel shaft, stainless steeljoint bearing, Teflon bushing or self-lubricating bushing
• All steel parts, including M10 and above fasteners, are hotgalvanized

Product classifications:

• Voltage levels: 40.5, 72.5, 126, 145, 170 and 252kV
• Current levels: 1,250, 2,000, 3,150 and 4,000A
• Auxiliary earthing switch type: none earthing switch, leftearthing switch, right earthing switch, double earthingswitches