75
DMX
3
SWITCH DISCONNECTORS
According to IEC60947-3
DMX
3
-1600
Number of poles 3P-4P
Rating In (A) 630/800/1000/1250/1600
Rated insulation voltage Ui (V) 1000
Rated impulsive voltage Uimp (kV) 12
Rated operational voltage (50/60Hz) Ue (V) 690
Rated short-circuit
making capacity
Icm (kA)
230Vac 88
415Vac 88
500Vac 88
600Vac 88
690Vac 88
Rated short-circuit
withstand current
Icw (kA)
230Vac (t=1s) 42
415Vac (t=1s) 42
500Vac (t=1s) 42
600Vac (t=1s) 42
690Vac (t=1s) 42
230÷690Vac (t=3s) 25
Suitability for insulation YES
Mechanical
endurance (cycles)
with maintenance 10000
without maintenance 5000
Electrical endurance (cycles) 3000
Opening time 15ms
Closing time 30ms
Visualization of contacts position S
Visualization of charged/discharged springs S
Auxiliary contacts S*/O
Shunt trip O
Closing coil O
Undervoltage release O
Undervoltage release with time delay O
Motor operator O
Mechanical counter O
* Standard version with n°1 NO/NC (max n° 6 option contacts 0 281 75).
S=Standard O=Optional
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