{"id":96089,"date":"2025-11-25T18:05:34","date_gmt":"2025-11-25T18:05:34","guid":{"rendered":"https:\/\/electrosphere.pl\/on300-surge-protector-t1t2-bc-4p-4m-8-50ka-tt-tnc-tns\/"},"modified":"2026-04-03T07:41:42","modified_gmt":"2026-04-03T07:41:42","slug":"on300-surge-protector-t1t2-bc-4p-4m-8-50ka-tt-tnc-tns","status":"publish","type":"product","link":"https:\/\/electrosphere.pl\/en\/on300-surge-protector-t1t2-bc-4p-4m-8-50ka-tt-tnc-tns\/","title":{"rendered":"ON300 SURGE PROTECTOR T1+T2 B+C 4P 4M 8\/50KA TT, TNC, TNS"},"content":{"rendered":"<h2>ON300 Surge Protector T1+T2 B+C 4P 4M 8\/50KA TT, TNC, TNS<\/h2>\n<p>The ON 300 surge protectors protect against the effects of surges in power supply networks.<\/p>\n<h3>Application<\/h3>\n<p>Surges caused by atmospheric discharges account for 25 to 40% of all damage to electrical devices. The use of surge protectors can prevent up to 60% of electrical equipment damage.<\/p>\n<h3>Technical Data<\/h3>\n<ul>\n<li>Protection against surge effects in power supply networks 230\/400 V~, 50\/60 Hz<\/li>\n<li>Compliance with IEC\/EN 61643-11 standards<\/li>\n<li>Type 1+2 (formerly class B+C)<\/li>\n<li>Iimp = 8 kA\/phase (impulse 10\/350 \u00b5s)<\/li>\n<li>Imax = 50 kA\/phase (impulse 8\/20 \u00b5s)<\/li>\n<li>Maximum voltage (Uc): 320 V~<\/li>\n<li>Protection level (Up): 1.3 kV<\/li>\n<li>For networks: TT, TNC, TNS<\/li>\n<li>Technology used: Varistor<\/li>\n<li>Design: 4P<\/li>\n<li>Recommended overcurrent protection: S 300 TX\u00b3\/DX\u00b3 C 40A<\/li>\n<li>Width in modules 17.5 mm2: 4<\/li>\n<li>With replaceable cartridges with status indicator:<\/li>\n<li>green indicator: cartridge functional<\/li>\n<li>orange indicator: cartridge to be replaced<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ON300 Surge Protector T1+T2 B+C 4P 4M 8\/50KA TT, TNC, TNS The ON 300 surge protectors protect against the effects 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