{"id":92056,"date":"2025-11-25T19:54:38","date_gmt":"2025-11-25T19:54:38","guid":{"rendered":"https:\/\/electrosphere.pl\/ckf-337-phase-sequence-and-phase-loss-sensor-10a-1p-3m-3x400v-ac-without-n\/"},"modified":"2026-03-31T11:58:59","modified_gmt":"2026-03-31T11:58:59","slug":"ckf-337-phase-sequence-and-phase-loss-sensor-10a-1p-3m-3x400v-ac-without-n","status":"publish","type":"product","link":"https:\/\/electrosphere.pl\/en\/ckf-337-phase-sequence-and-phase-loss-sensor-10a-1p-3m-3x400v-ac-without-n\/","title":{"rendered":"CKF-337 PHASE SEQUENCE AND PHASE LOSS SENSOR 10A 1P 3M 3X400V AC WITHOUT N"},"content":{"rendered":"<h2>CKF-337 Phase Sequence and Phase Loss Sensor 10A 1P 3M 3x400V AC WITHOUT N<\/h2>\n<p>Without neutral wire. Contact 1 x NO\/NC. Protects against symmetrical and asymmetrical voltage drops.<\/p>\n<h3>Application<\/h3>\n<p>The phase loss sensor is designed to protect an electric motor powered from a three-phase network in cases of voltage loss in at least one phase, symmetrical voltage drops in three phases, or voltage asymmetry between phases, which threaten to damage the motor and to secure rotation directions in case of a change in phase sequence before the sensor.<\/p>\n<h3>Technical Data<\/h3>\n<ul>\n<li>Supply voltage: 3 \u00d7 400 V<\/li>\n<li>Compatibility with generators: YES<\/li>\n<li>Phase loss \/ asymmetry control: YES<\/li>\n<li>Phase sequence control: YES<\/li>\n<li>Contactor contact control: NO<\/li>\n<li>Actuating element: relay<\/li>\n<li>Maximum load current: 10 A<\/li>\n<li>Contact configuration: 1 \u00d7 NO\/NC<\/li>\n<li>Contact separation: YES<\/li>\n<li>Voltage asymmetry activation: 20\u00f760 V<\/li>\n<li>Voltage hysteresis: 5 V<\/li>\n<li>Switch-off delay: 0.2\u00f75.0 s adjustable<\/li>\n<li>Power supply control: 4 \u00d7 LED<\/li>\n<li>Connection: screw terminals 4.0 mm\u00b2<\/li>\n<li>Tightening torque: 0.5 Nm<\/li>\n<li>Power consumption: 1.6 W<\/li>\n<li>Operating temperature: -25\u00f740\u00b0C<\/li>\n<li>Dimensions: 3 modules (52.5 mm)<\/li>\n<li>Mounting on rail: 35 mm<\/li>\n<li>Protection degree: IP20<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>CKF-337 Phase Sequence and Phase Loss Sensor 10A 1P 3M 3x400V AC WITHOUT N Without neutral wire. Contact 1 x 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Phase Sequence and Phase Loss Sensor 10A 1P 3M 3x400V AC WITHOUT N Without neutral wire. 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