Electric for rolling stock - Schaltbau - #12

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Cam-operated switching elements Fusible overtemperature protection
and tripping devices
Cam-operated switching elementsof Schaltbauarecommonlyoperated by Schaltbau fusibleovertemperatureprotection andtripping devicesensure
cam discs, so both the operating position and the operating sequence can fail-safe thermal cutout protection against overheating ofelectric air
be determined arbitrarily. heaters as used in rail vehicles and stationary heating systems.
There are different styles for AC and DC applications. Cam-operated swit- The devices are a prerequisite for fire protection and operate totally inde-
ching elements are typically used as auxiliary switches ofcontactors, and as pendent of the heater controls, constituents in camshaft gear, toggle switch assemblies, key switches, and applications with special requirements as to switching capacity.
Features
Suitable for DC and AC applications Current carrying capacity upto60A Solidcontacts,rugged design Longdesignlife
Easymountingandreplacement
Electromagneticand permanent-magnetic blowoutavailable
Reliable overtemperature protection of HV heating registers:
• Series ZH037, ZH437, ZH937 for electric air heaters
• SeriesZH003forwatertanks
Function independent of control voltage and electronic regulation devices
Fusible link is an expendable replacement component Versions with auxiliary switch available
( Catalogue D30.en )
C Catalogue F196.en )
Specifications
Series
Conv. thermal current l,h #/Contact configuration Rated insulation voltage U, Pollution degree Overvoltage category Electrical switching rate
Mechanical endurance
Temperaturerange Standards
S005
S007
S008
I ZH037
ZH437
ZH937
60A
1,800V,3,000V
3,000 V
DC,AC
DC,AC
DC,AC
400 V
4,000 V
4,000 V
PD3
PD3
OV3
OV3
series
NominalvoltageUN
Kindofvoltage
Pollution degree Overvoltage category Triptemperature Mechanical endurance
10... 60 op. cycles/min (depending on load)
>3,000,000 cycles
>3,000,000 cycles
cycles
IEC60077,VDE0660
IEC60077,VDE0660

pageCatalog pdf di En 2012-02-07-15