Operating voltage, V

Coil resistance, Ohm

Pick-up voltage, not more than, V

Drop-out voltage, not less than, V

A-B

27±5.0

1200±180

11.5

2.0

V-G

27±3.0

1200±180

14.0

2.5

Serial AG (BV)

27+5.0/-4.0

2400±360

13.0

2.5

Parallel AV-BG

27+3.0/-7.0

600±90.0

6.5

1.2