它具有拨码开关设置直观、工作稳定可靠、延时精度高、使用方便、触头输出容量打等优点；适用于交流50Hz(60Hz)、电压24V-380V，直流电压24V-220V的自动控制电路中，按预定时间接通或分断电路。

SRTD-220VDC-1H1D
SRTD-220VDC-2H
SRTD-220VDC-2H2D
SRTD-220VDC-4H
SRTD-110VDC-1H1D
SRTD-110VDC-2H
SRTD-110VDC-2H2D
SRTD-110VDC-4H
SRTD-24VDC-1H1D
SRTD-24VDC-2H
SRTD-24VDC-2H2D
SRTD-24VDC-4H
SRTD-220VAC-1H1D
SRTD-220VAC-2H
SRTD-220VAC-2H2D
SRTD-220VAC-4H
SRTD-110VAC-1H1D
SRTD-110VAC-2H
SRTD-110VAC-2H2D
SRTD-110VAC-4H