Type 446/447/449
Description
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.
Technical Data
| Voltage rating |
|
|---|---|
| Current ratings | from 30 A up to 400 A type 446 from 100 A up to 400 A type 447 from 125 A up to 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 operations at IN
2,000 operations mechanical |
| Interrupting capacity Icn | 10,000 A |
| Certificates | type 446: UL type 447: UL; QPL Sweden type 449: UL, VG 95345 T15 |
Applications
- Automation
- Chemical, Oil & Gas
- Commercial Vehicles
- Minus DC 28 V