Safety and power management for watercraft and special vehicles


E-T-A is your specialist for on-board electrical systems in boats, mobile homes and special vehicles.

Latest-state-of-the-art components for intelligent control and protection of all electrical installation are part of our product range.


Do you have any questions regarding this topic? Our specialists from the Watercraft & Special Vehicles division will be pleased to be of assistance!


Below please find a list of relevant products for your business field. By selecting products out of a category you will be able to directly compare their technical specifications.

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Type: 446/447/449      Download
 
Dimensions
 
Internal connection diagrams
   
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.
 
Voltage rating: 
  • DC 28 V
Current ratings: 
from 30 A to 400 A  type 446
from 100 A to 400 A  type 447
from 125 A 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
Approvals:
type 446: UL
type 447: UL; QPL Sweden
type 449: UL, VG 95345 T15