A.50 B.100 C.150 D.200
A.24V B.24±1V C.48V D.48±1V
A.1.6.0-2.6Ω;≥吸起電阻的40% B.1.7—2.7Ω;≥吸起電阻的50% C.1.7.0-2.7Ω;≥吸起電阻的60% D.1.6-2.6Ω;≥吸起電阻的70%