Marquardt 1820 Series Toggle SwitchesMarquardt 1820 series single and double pole toggle switches. The 1820 toggle switches are suitable for use in Class II appliances and are available in a choice of SPST, SPDT, DPST or DPDT switching formats including SPDT center off changeover with latching action contacts see stock number 741-1003. A black Neoprene® lever cover which simply screws onto the toggle switch M12x0.75mm bush is available to protect the actuator from dust and water ingression.Long mechanical and electrical life Contact distance ≥3mm apart from stock number 741-1003 which has a contact distance Contact resistance Insulation resistance >100MΩ Electrical connection via Solder tag or 4.8mm Faston/Quick Connect style terminals UL 94 V-2 flammability rated ### 注See stock number 103-9475 for Neoprene® protective cover. Neoprene is a registered trademark of DuPont.### 认可UL; CSA; ENEC### 扳钮开关**瞬时功能**（弹簧加载复位）： | 当负载解除时，开关或触点断路器恢复到其原来位置。 例如电铃按钮） ---|--- **锁定型功能**： | 负载解除之后，开关或触点断路器保持（停止）在新位置上。
has been a successful, international and independent family enterprise for 90 years. We are a leading manufacturer in the field of electro-mechanical and electronic switches and switching systems. Our products are used by many well-known automobile manufacturers and our systems are also found in household appliances and other industrial applications. In the field of power tool switches, we are the global market leader. “Quality is when the customer returns, not the product” is the Marquardt way of thinking.
**Product Features for Series 1820 – Single and Double Pole Toggle Switches**
* 100 million times proven switching principle
* Attractive toggle design
* Long life endurance with 50,000 mechanical switching cycles
* Excellent actuating characteristics
* Fastening with nut M12
* IP40
* On request: Other colors, other printing variants, other switching functions, other terminal variants, cable assembly