Website: www.kingtronics.com Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 SKT - Surge Arresters 2-Electrode Ceramic Surge Arrester ■ COMMON DIMENSIONS Electrical Characteristics Type SKT-2R-75A1 SKT-2R-75D SKT-2R-90A1 SKT-2R-90D SKT-2R-150A1 SKT-2R-150D SKT-2R-230A1 SKT-2R-230D SKT-2R-250A1 SKT-2R-250D SKT-2R-350A1 SKT-2R-350D DC spark-over voltage (100V/s) V Impulse spark-over voltage (1KV/us) V Impulse discharge current (10/1000us 300times) A Impulse discharge current (8/20us 10times) KA AC discharge current (50Hz 1s 5 times) A Holdover Voltage V Insulation resistance Ω Capacitance pF 75±25% ≤600 50 5 5 / ≥1010 <1.5 90±25% ≤600 50 5 5 / ≥1010 <1.5 150±20% ≤700 100 5 5 80 ≥1010 <1 ≤800 100 5 5 135 ≥1010 <1 250±20% ≤800 100 5 5 135 ≥1010 <1 350±15% ≤800 100 5 5 135 ≥1010 <1 230 +30 -40 Note: Specification are subject to change without notice. 1 Website: www.kingtronics.com ■ COMMON DIMENSIONS Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 Electrical Characteristics Type SKT-2R-75A2 SKT-2R-90A2 SKT-2R-150A2 SKT-2R-230A2 SKT-2R-350A2 SKT-2R-470A2 SKT-2R-600A2 DC spark-over voltage (100V/s) V Impulse spark-over voltage (1KV/us) V Impulse discharge current (10/1000us 300times) A Impulse discharge current (8/20us 10times) KA AC discharge current (50Hz 1s 5 times) A Holdover Voltage V Insulation resistance Ω Capacitance pF 75±25% ≤600 50 5 5 / ≥1010 <1.5 90±20% ≤600 50 5 5 / ≥1010 <1.5 150±20% ≤700 100 5 5 80 ≥1010 <1 +30 -40 ≤800 100 5 5 135 ≥1010 <1 350±20% ≤800 100 5 5 135 ≥1010 <1 470±20% ≤900 100 5 5 135 ≥1010 <1 600±20% ≤1200 100 5 5 135 ≥1010 <1 230 Note: Specification are subject to change without notice. 2 Website: www.kingtronics.com Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 ■ COMMON DIMENSIONS Electrical Characteristics Type SKT-2R-75A5 SKT-2R-75A5L SKT-2R-75A6L SKT-2R-90A5 SKT-2R-90A5L SKT-2R-90A6L SKT-2R-150A5 SKT-2R-150A5L SKT-2R-150A6L SKT-2R-230A5 SKT-2R-230A5L SKT-2R-230A6L SKT-2R-350A5 SKT-2R-350A5L SKT-2R-350A6L SKT-2R-470A5 SKT-2R-470A5L SKT-2R-470A6L SKT-2R-600A5 SKT-2R-600A5L SKT-2R-600A6L SKT-2R-800A5 SKT-2R-800A5L SKT-2R-800A6L DC spark-over voltage (100V/s) V Impulse spark-over voltage (1KV/us) V Impulse discharge current (10/1000us 300times) A Impulse discharge current (8/20us 10times) KA AC discharge current (50Hz 1s 5 times) A Holdover Voltage V Insulation resistance Ω Capacitance pF 75±25% ≤600 100 10 10 / ≥1010 <1.5 90±25% ≤600 100 10 10 / ≥1010 <1.5 150±20% ≤700 100 10 10 80 ≥1010 <1 ≤800 100 10 10 135 ≥1010 <1 350±20% ≤800 100 10 10 135 ≥1010 <1 470±20% ≤900 100 10 10 135 ≥1010 <1 600±20% ≤1200 100 10 10 135 ≥1010 <1 800±20% ≤1400 100 10 10 135 ≥1010 <1 230 +30 -40 Note: Specification are subject to change without notice. 3 Website: www.kingtronics.com Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 ■ COMMON DIMENSIONS Electrical Characteristics Type SKT-2R-90K DC spark-over voltage (100V/s) V Impulse spark-over voltage (1KV/us) V Impulse discharge current (10/1000us 300times) A 90±25% ≤600 50 SKT-2R-230K 230 +30 -40 ≤800 100 SKT-2R-350K 350±20% ≤800 100 Impulse discharge current (8/20us 10times) KA 10 5 10 5 10 5 AC discharge current (50Hz 1s 5 times) A 10 5 10 5 10 5 Holdover Voltage V Insulation resistance Ω Capacitance pF / ≥1010 <1.5 135 ≥1010 <1 135 ≥1010 <1 Note: Specification are subject to change without notice. 4 Website: www.kingtronics.com ■ COMMON DIMENSIONS Email: [email protected] Tel: (852) 8106 7033 Fax: (852) 8106 7099 Electrical Characteristics Type DC spark-over voltage (100V/s) V Impulse spark-over voltage (1KV/us) V Impulse discharge current (10/1000us 300times) A Impulse discharge current (8/20us 10times) KA AC discharge current (50Hz 1s 5 times) A Holdover Voltage V Insulation resistance Ω Capacita nce pF SKT-2R-90 E1L 90±25% ≤600 100 20 20 / ≥1010 ≤1.5 SKT-2R-150 E1L 150±20% ≤700 100 20 20 80 ≥1010 ≤1 SKT-2R-230 E1L 230±20% ≤800 100 20 20 150 ≥1010 ≤1 SKT-2R-350 E1L 350±20% ≤800 100 20 20 150 ≥1010 ≤1 SKT-2R-470 E1L 470±20% ≤900 100 20 20 150 ≥1010 ≤1 SKT-2R-600 E1L 600±20% ≤1200 100 20 20 150 ≥1010 ≤1 Note: Specification are subject to change without notice. 5