Type 8345

Type 8345


Single or multipole hydraulic-magnetic circuit breakers with trip-free-mechanism and toggle actuation. A choice of switching characteristics ensures suitability for a wide range of applications. Industry standard dimensions and panel mounting. Auxiliary contacts optional. Low temperature sensitivity at rated load.

Approved to CBE standard EN 60934 (IEC 60934) S-type HM CBE.

Technical Data

Voltage rating
  • 3 AC 415 V
  • AC 277 / 480 V
  • AC 120 / 240 V
  • AC 240 V
  • DC 80 V
Current ratings from 0.05 A up to 125 A
(higher current ratings to special order)
from 150 A up to 180 A  single pole,
two poles connected in parallel
Number of poles double pole
four poles plus
single pole
three pole
Mounting method flange
printed circuit board
Terminal design blade terminals
screw terminals
solder terminals
Actuation manual release
Auxiliary contacts with auxiliary contacts
without auxiliary contacts
Water splash protection with water splash protection
without water splash protection
Illumination without illumination
Typical life 10,000 operations at 1 x IN
Interrupting capacity Icn 10,000 A at DC

5,000 A at AC

Certificates VDE, UL


Order number Description
X8345-F remote trip module
X8345-R remote ON/OFF actuation
X22244401-12 splash covers
Y30738101 toggle guard


  • (Steel industry)
  • Automation
  • Automobile production
  • Chemical, Oil & Gas
  • Mechanical engineering
  • Medical technology
  • Minus DC 28 V
  • Minus DC 48 V
  • Minus DC 72 V
  • Pharmaceutical & Food
  • Rail vehicles
  • Renewable energies
  • Telecom & Datacom
  • Watercraft & Vehicles
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