Service manual

3. Electrical Parts
3-12
3.2.5 Thermal relay
Thermal relay set value
unit SDG25S-6A7 SDG45S-6A6 SDG65S-6A6
Rated voltage V 240 480 240 480 240 480
Rated current A 60 30 108 54 152 76
Detected current
at rated operation
A 30 54 76
CT ratio 5/100 5/75 5/100
Wound rolls (Rolls
of cables through
CT)
2 rolls 1 roll 1 roll
Set value A 3.0 3.3 3.5
unit SDG100S-6A6 SDG125S-6A6 SDG150S-6A6
Rated voltage V 240 480 240 480 240 480
Rated current A 241 120 300 150 361 180
Detected current
at rated operation
A 120 150 180
CT ratio 5/100 5/200 5/300
Wound rolls (Rolls
of cables through
CT)
2 rolls 1 roll 1 roll
Set value A 2.8 3.5 2.8
Tripping of over current is set to be reset automatically.
TERMINALS FOR
MAIN CIRCUIT
TERMINALS FOR
INSTRUMENT
CIRCUIT
SETTING DIAL
A
UTO-RESET
BUTTON
TEST BUTTON