Insulation Tests; No-Load Current Value - Hitachi G 12SA3 Technical Data And Service Manual

8-6. Insulation Tests

On completion of disassembly and repair, measure the insulation resistance, and conduct the dielectric strength
test.
Insulation resistance: 10 M Ω or more with DC 500 V megohm tester
Dielectric strength test: AC 4,400 V/3 minutes, with no abnormalities .................. 220 V --- 240 V products
AC 3,000 V/3 minutes, with no abnormalities .................. 110 V --- 127 V products

8-7. No-load Current Value

After no-load operation for 30 minutes, the no-load current value should be as follows.
Voltage (V) 110 120 230 240
Current (A) max.
3.4 3.2 2.1 2.0
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