The TQ-2521-A4 with Microswitches Through Hole,6.4x3.0x10mm RoHS manufactured by Yuandi is an electronic part that features a 6.4x3.0x10mm RoHS compliant form factor. The part comprises of two microswitches, each one being capable of turning electrical current on and off, making it ideal for control panel applications. It is RoHS compliant, meaning that it meets stringent environmental standards and therefore is safe for use in a wide variety of international markets. It is also shock and vibration resistant, making it suitable for tough operating environments. The microswitches feature a high contact rating and a lifetime of up to 1,000,000 operations, making this an incredibly reliable part.