S91 es un dispositivo de protecci\u00f3n para motores el\u00e9ctricos. Permite la detecci\u00f3n de secuencia de fase incorrecta o fallo de fase, exceso de consumo de corriente, funcionamiento en vac\u00edo con medida del factor de potencia. El dispositivo tiene una entrada para PTC (termistor con coeficiente de temperatura negativo) para proteger el motor del sobrecalentamiento y habilitar la entrada para arrancar el motor. S91 opera en 3 modos de operaci\u00f3n: medici\u00f3n monof\u00e1sica o trif\u00e1sica, rango de corriente m\u00e1xima 5 o 16 A, operaci\u00f3n con o sin PTC. Disponible modelo para alimentaci\u00f3n 230V (S91), y modelo para alimentaci\u00f3n 380V (S91-400). Principales aplicaciones:- Protecci\u00f3n de bombas monof\u00e1sicas o trif\u00e1sicas ante posible bloqueo de rotor y sobretemperatura- Detecci\u00f3n de rotura de dispositivos de transmisi\u00f3n mec\u00e1nica , p.ej. correas o cadenas y para proteger contra el bloqueo del sistema de transmisi\u00f3n.<\/p>\n","protected":false},"excerpt":{"rendered":"
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