Digital timers DH48S-2Z keep track of timing; to trigger an action, to start timing once triggered by an action, or both. Some products are programmable while others may be fixed at a set internal time and function. In addition to the number and type of functions, these devices differ in terms of time range settings.    The adjustment range is 0.01 sec. Up to 99 hours. The relay is started by supplying the supply voltage. There is 2xNO (normally open) and 2xNC (normally closed) contact for the load. Specification: Product Name : Time Relay w Base Socket Model Number : DH48S-2Z Contact Resistive Load :AC 250V 3A Contact Type :  DPDT, 2NO 2NC Number of Terminals : 8 Pins Time Range: 0.01s-99H99M External Material : Plastic, Metal, Electric Parts Fixing Hole Dia: 3mm/0.12" Mounted Hole Distance: 33mm Total Size : 110 x 60 x 50mm Net Weight: 135g Package Includes: 1 x DH48S-2Z 0.01s-99H99M AC Digital Programmable Time