| Type | Fig No. | Main Dimansions | |||||||||||
| h | h1 | h2 | d | D | d1 | d2 | d3 | d4 | d5 | a1 | a2 | ||
| ZA-7.2Y | 1 | 165 | - | - | - | 90 | 64 | M10 | M6 | M12 | 108 | 36 | - |
| ZA-12Y | 1 | 190 | - | - | - | 90 | 64 | M10 | M6 | M12 | 108 | 36 | - |
| ZN-7.2/4 | 2 | 100 | 18 | 20 | - | 85 | 2-M6 | M12 | - | - | - | 18 | - |
| ZN-12/8 | 2 | 120 | 18 | 25 | - | 105 | 2-M10 | M16 | - | - | - | 24 | - |
| ZN-24/8 | 2 | 230 | 18 | 35 | - | 160 | 2-M12 | M20 | - | - | - | 36 | - |
| ZL-12/4 | 3 | 160 | 10 | 20 | M10 | 95 | 2-M8 | M16 | - | - | - | 36 | - |
| ZL-40.5/4 | 3 | 380 | 10 | 20 | M10 | 90 | 2-M8 | M16 | - | - | - | 36 | - |
| ZPB-12 | 4 | 188 | 10 | 13 | - | 170 | 2-M8 | 2-001 | - | - | - | 36 | 70 |
1.GB Porcelain Post Insulators are sturdy, upright insulators used to support high-voltage conductors at substations, switchgear, and other electrical apparatus where a higher structure strength is required.
2.They are made of porcelain for its excellent insulating properties and durability.
3.The "GB" indicates that they conform to Chinese national standards, ensuring quality and reliability in electrical infrastructure.
