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SILICONE RUBBER SUSPENSION TYPE INSULATORS

Silicone Rubber Suspension Type Insulators for systems from 115 up to 400 kV according to CFE 52100-65 and 52210-47 specifications. ZIBO trademark. Any of the insulators can be manufactured with the different end-fittings indicated in the specifications. Any design can be manufactured, even without being included in the CFE specifications.

HIGH LEVEL OF CONTAMINATION

Short description 115SYB120dA 138SYB120dA 9SYB120d2 9SYB120d3 ASYB120d2 ASYB120d3 ASYB160d2 ASYB160d3
Rated System Voltage (kV) 115 138 230 230 400 400 400 400
Max. Design Voltage (kV) 123 145 245 245 420 420 420 420
Power Frequency Flashover Voltage Dry (kV) 370 450 550 625 625 700 625 700
Wet (kV) 333 395 530 590 N/A N/A N/A N/A
Critical Impulse Flashover Voltage Positive (kV) 612 715 1260 1430 1710 1930 1710 1930
 Negative (kV) N/A 735 N/A N/A N/A N/A N/A N/A
Switching Impulse Withstand Voltage, Wet (kV) N/A N/A N/A N/A 1170 1290 1170 1290
Max. Radio-interference Voltage to 500 kHz (µV) < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10
Max. Length of the insulator according to specification (mm) 1248 ± 60 1394 ± 100 2800 3100 4250 4500 4250 4500
Min. Creepage Distance (mm) 3075 3625 6125 6125 10500 10500 10500 10500
Mecanical Strength (minimum) Tension (kV) 120 120 120 120 120 120 160 160
Torsion (kV) 50 50 50 50 50 50 50 50

VERY HIGH LEVEL OF CONTAMINATION

Short description 115SYB120eA 138SYB120eA 9SYB120e2 9SYB120e3 ASYB120e2 ASYB120e3 ASYB160e2 ASYB160e3
Rated System Voltage (kV) 115 138 230 230 400 400 400 400
Max. Design Voltage (kV) 123 145 245 245 420 420 420 420
Power Frequency Flashover Voltage Dry (kV) 370 450 550 625 625 700 625 700
Wet (kV) 333 395 530 590 N/A N/A N/A N/A
Critical Impulse Flashover Voltage Positive (kV) 612 715 1260 1430 1710 1930 1710 1930
Negative (kV) N/A 735 N/A N/A N/A N/A N/A N/A
Switching Impulse Withstand Voltage, Wet (kV) N/A N/A N/A N/A 1170 1290 1170 1290
Max. Radio-interference Voltage to 500 kHz (µV) < 10 < 10 < 10 < 10 < 10 < 10 < 10 < 10
Max. Length of the insulator according to specification (mm) 1248 ± 60 1394 ± 100 2800 3100 4250 4500 4250 4500
Min. Creepage Distance (mm) 3813 4495 7595 7595 13020 13020 13020 13020
Mecanical Strength (minimum) Tension (kV) 120 120 120 120 120 120 160 160
Torsion (kV) 50 50 50 50 50 50 50 50

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