TB17 TB35 TB35N TB37 TB370-72, TD66W TM388 Mechanical Time Switch (Mechanical Timer) Description:Product Name: Time Switch Model Number: TB-17-35-35N-37-370-72, TD-66W Place of Origin: China Features: 1) 24 hours automatic time switch 2) Non power failure 24 hours time switch 3) Non power failure weekly time switch 4) TB-17, TB-35, TB37, TB-72: a) 24 hours automatic time switch b) Rated voltage: AC 110, 220V, 50Hz or 60Hz c) Resistive load: AC 250V, 15A 5) TB-35N, TB370: a) Non power failure 24 hours time switch (just for clock running) b) Rated voltage: AC 110-250V, free 50/60Hz for common use c) Resistive load: 250V, 15A 6) TD-66W: a) Non power failure weekly time switch (just for clock running) b) Rated voltage: AC 110-250V, free 50/60Hz for common use c) Resistive load: 250V, 5A