※單相SCR功率調(diào)整器型 號(hào)電流輸 入 方 式負(fù)載電壓SPR-202020A4~20mA/1~5VDC/3~32VDC/VR10K 220VACSPR-402040A4~20mA/1~5VDC/3~32VDC/VR10K 220VACSPR-602060A4~20mA/1~5VDC/3~32VDC/VR10K 220VACSPR-204020A4~20mA/1~5VDC/3~32VDC/VR10K 440VACSPR-404040A4~20mA/1~5VDC/3~32VDC/VR10K 440VACSPR-604060A4~20mA/1~5VDC/3~32VDC/VR10K 440VAC