The 1010 series is manufactured by MARQUARDT, and has a powerful snap-action switch with C-spring system in accordance to the design DIN 41635C. It has a contact resistance of < 100 mOhm or 1 A at 12 V DC, and an ambient temperature is from -20 °C up to +85 °C. The unit has a flammability that complies with UL 94 V2 or UL 94 HB standards.