{"id":76251,"date":"2025-11-26T09:55:11","date_gmt":"2025-11-26T09:55:11","guid":{"rendered":"https:\/\/electrosphere.pl\/efi-p4-40a-300ma-a-differential-switch-40a-4p-4m-300ma-a-10ka\/"},"modified":"2026-03-24T12:43:37","modified_gmt":"2026-03-24T12:43:37","slug":"efi-p4-40a-300ma-a-differential-switch-40a-4p-4m-300ma-a-10ka","status":"publish","type":"product","link":"https:\/\/electrosphere.pl\/en\/efi-p4-40a-300ma-a-differential-switch-40a-4p-4m-300ma-a-10ka\/","title":{"rendered":"EFI-P4 40A\/ 300MA\/A DIFFERENTIAL SWITCH 40A 4P 4M 300MA A 10KA"},"content":{"rendered":"<h2>EFI-P4 40A\/300mA Residual Current Circuit Breaker<\/h2>\n<p>The residual current circuit breaker is designed to protect against electric shock and fire hazards due to insulation damage.<\/p>\n<h3>Application<\/h3>\n<p>Residual current circuit breakers are used in TN-S, TN-C-S, TT, and IT networks, providing protection against contact with live parts and insulation damage. The use of different residual currents allows them to be tailored to the conditions of use.<\/p>\n<h3>Technical Data<\/h3>\n<ul>\n<li>Catalog number: 002061532<\/li>\n<li>Article symbol: EFI-P4 A 40\/0.3<\/li>\n<li>Class name: Residual Current Circuit Breaker<\/li>\n<li>Rated residual current: 300 mA<\/li>\n<li>Rated current: 40 A<\/li>\n<li>Type: A<\/li>\n<li>Conditional short-circuit resistance: 10 kA<\/li>\n<li>Rated AC voltage: 400 V<\/li>\n<li>Rated frequency: 50\/60 Hz<\/li>\n<li>Tripping time: instantaneous<\/li>\n<li>Ambient temperature: -25 to 55 \u00b0C<\/li>\n<li>Number of poles: 4<\/li>\n<li>Wire connection capacity: 1 &#8211; 25 mm<sup>2<\/sup><\/li>\n<li>Neutral pole side: right<\/li>\n<li>Protection degree IP: IP20<\/li>\n<li>Function: RCCB<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>EFI-P4 40A\/300mA Residual Current Circuit Breaker The residual current circuit breaker is designed to protect against electric shock and fire 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40A\/300mA Residual Current Circuit Breaker The residual current circuit breaker is designed to protect against electric shock and fire 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