Energy & Environment
Disc Insulator Suspension Type
Certifications
ANSI C29.2
Description
This product is a disc suspension insulator for supporting high-voltage transmission lines, made of high-quality ceramic or glass, with steel cap and iron pin. Complies with ANSI C29.2, voltage range 11kV~220kV, mechanical failing load 70kN~300kN, providing reliable insulation and durability.
Specifications
| type | ANSI Disc insulator suspension type |
| material | Alumina and silica porcelain |
| standard | ANSI C29.2 |
| graze_colors | Brown or light gray |
| unit_spacing | 140, 146, 146, 146, 146 mm |
| voltage_range | 11kV~220kV |
| max_riv_at_1mhz | 50, 50, 50, 50, 50 μV |
| nominal_diameter | 160, 200, 254, 254, 254 mm |
| creepage_distance | 178, 210, 292, 292, 279 mm |
| combined_me_strength | 45, 70, 70, 70, 111 kN |
| mechanical_failing_load | 70kN,100kN,120kN,160kN,210kN,300kN |
| tension_proof_test_load | 22, 33.5, 33.5, 33.5, 55.6 kN |
| mechanical_impact_strength | 4.5, 5, 5.5, 5.5, 6 n.m |
| riv_test_voltage_to_ground | 7.5, 7.5, 10, 10, 10 kV |
| power_frequency_puncture_voltage | 80, 90, 110, 110, 110 kV |
| power_frequency_flashover_voltage_dry | 60, 65, 80, 80, 80 kV |
| power_frequency_flashover_voltage_wet | 30, 35, 50, 50, 50 kV |
| critical_impulse_flashover_voltage_neg | 100, 115, 130, 130, 130 kV |
| critical_impulse_flashover_voltage_pos | 100, 115, 125, 125, 125 kV |
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