Number of poles

3

Operation

Three Pole

Nominal Voltage

72.5

Degree of seismicity

Ligtning impulse withstand voltage

Fracture 410,Clearance to earth350

Power frequency impulse withstand voltage at sea level

Fracture202,Clearance to earth160

Creapage Distance

Clearance to earth1813,Fracture2084

Rated Frequency

50hz

Normal Rated Current

3150A

Capacitive Current Rating

50 A

Nominal capacity of interruption  of currents

50 A

Interrupting Rating on
short circuit

40 KA

Effective value of AC  current

40 Karms

Percentage of DC component

40%

First pole opening factor

1.3

TRV rate of increase  at100% breaking capacity

2.2 KV/µs

Rated closing capacity over short circuit

 40 kA

Nominal sequence of operation

O - 0.3s- CO-3MIN-CO

Rated short circuit duration

3s

Interrupting rating in
discordance of phases

10 KA

Maximum total time of interruption

5 Cycles

Control Voltage  for Close & Open  circuits

125 VDC

Control voltage from the motor mechanism

VDCI220 125 VAC

Condition of operation

Outdoors