included angle within the common tangent and line of action

included angle within the common tangent and p.c.d.

included angle within the common tangent to the Base circle

None of the above

power factor

amphere

current capacity

voltage

A3

A0

A2

A4

1:2000

1:100

1:50

1:1500

297 mm x 420 mm

210 mm x 297 mm

250 mm x 330 mm

330 mm x 450 mm