GPO-3/1 with good arc resistance and resistance to electric traces.
GPO-3/GPO-1 is a rigid board insulating material made of alkali-free glass fiber mat impregnated with an unsaturated polyester resin paste and heat-pressed with appropriate additives.GPO-3 insulating board is equivalent to UPGM-203.
Product Features:
Heat resistance class F
Flame retardant grade V0
Better mechanical and arc resistance properties
Excellent flame retardancy, resistance to electric start marking and anti-corrosion properties
Manufacturing capacity:
Thickness range: 1.0-30mm
Sheet size: 1020x2020mm
Color: red, white
Automatic cutting/splitting of plates and CNC machined molded parts
Industry Standards:
GB/t1303.1-1998 GPO-3
Applications:
Circuit Breakers, Frame Circuit Breakers Molded Case Circuit Breakers
Safety baffles, spacer liners, interphase partitions Arc-disconnecting chambers Arc-disconnecting plates Safety
Switchgear in electric motors
Low-voltage electrical insulation boards for AC contactors, explosion-proof appliances, etc.
Typical Properties Data Sheet of GPO-3/GPO-1
ITEM Test Method Unit Value Bending strength
ISO178 Mpa 180 Impact Strength
ISO179 Mpa 210 Water Absorption
ISO62 % ≤0.5 Insulation resistance
ICE167 MΩ 1*106 Arc resistance
ASTMD-495 s
Electrical strength
S KV/mm 20 Dielectric breakdown
IEC243 KV 50 Dielectric loss angle tangent
IEC243 V 0.05 Leakage trace index
IEC112 V 550-600 Dielectric Constant
IEC250 - ≤4.5 Flammability
UL94
VO
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