List of abbreviations
A.1 List of abbreviations
3WL/3VL circuit breakers with communication capability - PROFIBUS
280 System Manual, 03/2011, A5E01051353-02
S Normally open contact
S1 Signaling switch, switching position
S10 Electric ON
S12 Motor cutout switch
S13 Cutout switch for remote reset
S14 Cutout switch for shunt release F1 (overexcited)
S15 Cutout switch for switch-on solenoid Y1 (overexcited)
S22 Signaling switch on 1st auxiliary trip unit
S23 Signaling switch on 2nd auxiliary trip unit
S24 Tripped signaling switch
S42 Signaling switch on CubicleBUS side on first auxiliary trip unit F1
S43 Signaling switch on CubicleBUS side on second auxiliary trip unit F2, F3 or F4
S7 Signaling switch, switching position
S8 Signaling switch, switching position
ST Shunt release
T.U. ERROR Trip unit error, fault in overcurrent trip unit
TEST Test position
t
sd
Delay time for short time-delayed short-circuit protection
t
ZSI
Guaranteed non-tripping time
UL Underwriters Laboratories Inc.
UVR Undervoltage release (instantaneous)
UVR t
d
Undervoltage release (delayed)
VDE Association of German Electrical Engineers
VT Voltage transformer
X Terminal marking according to DIN
Y1 Switch-on solenoid
ZSI Zone Selective Interlocking
You can find more abbreviations, especially with regard to possible settings, in the 3WL
Manual.
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