Type 8340-F

Type 8340-F


Single and multipole magnetic circuit breakers with trip-free mechanism and toggle actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (S-type MO or HM CBE to EN 60934) ensures suitability for a wide range of applications. Industry standard dimensions and panel mounting. Options include auxiliary changeover contacts, or relay trip function. Low temperature sensitivity at rated load.

Approved to CBE standard EN 60934 (IEC 60934).

Technical Data

Voltage rating
  • 3 AC 415 V
  • AC 240 V (50/60 Hz)
  • DC 80 V
    (higher DC ratings to special order)
  • UL/CSA: 3 AC 250 V
  • UL/CSA: AC 250 V
Current ratings from 0.02 A up to 50 A  1 pole (40 + 50 DC only)
from 0.02 A up to 30 A  multipole
Number of poles double pole
four poles plus
single pole
three pole
Mounting method flange
Terminal design blade terminals
screw 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, resistive, single and multipole
Interrupting capacity Icn 6 x IN at AC

4 x IN at DC

Certificates VDE, CSA, UL, QPL, CCC


Order number Description
X21111801 splash cover transparent for 2- and 3-pole types
X21111901 splash cover transparent
Y30356501 splash cover
Y30725001 toggle guard


  • Automation
  • Medical technology
  • Minus DC 28 V
  • Minus DC 48 V
  • Minus DC 72 V
  • Rail vehicles
  • Telecom & Datacom
  • Watercraft & Vehicles
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