Tipo 446/447/449

100 mm
Typ 446/447/449 von E-T-A: Einpolige, thermisch-magnetische Leistungsschutzschalter mit Sockelbefestigung und Handauslöser.

Descripción

Ficha técnica

Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset snap action mechanism and special dual button manual release which avoids the danger of unintended disconnection (M-type TM CBE to EN 60934). Surface mounted, compact design available with fast acting, standard and delayed switching characteristics.

Options include auxiliary contact and remote electrical disconnection.

Datos técnicos

Voltage rating
  • DC 28 V
Current ratings de 30 A hasta 400 A  type 446
de 100 A hasta 400 A  type 447
de 125 A hasta 500 A  type 449
Number of poles single pole
Mounting method socket
Terminal design screw terminals
Actuation manual release
push button
Auxiliary contacts with auxiliary contacts
without auxiliary contacts
Water splash protection without water splash protection
Illumination without illumination
Typical life 1,000 Ciclos de conmutación con IN

2,000 Ciclos de conmutación mecánica
Interrupting capacity Icn 10,000 A
Certificates type 446: UL type 447: UL; QPL Sweden type 449: UL, VG 95345 T15

Aplicaciones

  • Automatización
  • Industria química, petroquímica y del gas
  • Rango de tensión Minus DC 28 V
  • Vehículos industriales