Tipo 446/447/449
Descripción
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 |
|
---|---|
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