The D1 Series of relay provides a compact single pole relay capable of handling 20A. Multiple feature and voltage options allow for the perfect fit for any application. The contact operation can be easily checked by Push-to-Test button. Flag indicator shows relay status in manual or powered condition. LED status lamp shows coil ON or OFF status- ideal for use in low light applications. Push-to-Test button allows for manual operation of relay without the need for coil power. Lock-down door holds pushbutton and contacts in the operate position when activated. Finger-grip cover allows operator to remove relays from sockets easily. ID tag/write label to identify relays in multiple relay circuits. Bipolar LED allows for reverse polarity applications.