The DS04-254-2L-02BK is a 2-pole, through-hole DIP switch designed for PCB configuration settings. This switch features a 2.54 mm pitch, flat actuators, and long pins with a length of 4.74 mm. It has a switching rating of 24 Vdc at 25 mA and a non-switching rating of 50 Vdc at 100 mA. The device offers a low initial contact resistance of 50 mΩ and is built to last for 2000 cycles. With an operating temperature range of -40 to 85°C and a UL94V-0 flammability rating, it is suitable for reliable use in industrial controls, telecommunications, and computer peripherals.