Part Number: TDB2U204 0.1-1s Manufacturer: Nieaf Smitt Part Series: TDB2U2 Electronic plug-in railway timer-relay with two change-over contacts . It has less height than the TDB4 relay which has four change-over contacts. The delay time is adjustable with a lockable knob. Standard equipped with double Zener diode coil protection. Available to Order Quantity × 1 Item added to your Quotation Basket TDB2U204 0.1-1s Nieaf Smitt Your Quotation Basket Items: 2