<p>When it comes to selecting a dependable and robust selector switch for industrial or commercial applications, this black selector switch stands out with its impressive specifications. Designed to meet demanding operational environments, it combines functionality with durability, making it an ideal choice for professionals in the field.</p><p>With a width of 40 mm, this selector switch offers a compact yet efficient design that fits seamlessly into various control panels without compromising on space. It operates effectively across a wide operational temperature range from -25 to 70 degrees Celsius, ensuring reliable performance in diverse climatic conditions.</p><p>The terminal type features screw connections which are known for their secure and stable connectivity. This is complemented by a tightening torque of 0.8 N-m, providing ease of installation while maintaining firm connections essential for long-term use.</p><p>Safety and protection are paramount in any electrical component, and this selector switch excels in this area with multiple degrees of protection: IP20, IP66, IP67, and IP69K. These ratings ensure resistance against dust ingress and water exposure at varying levels—from basic indoor usage (IP20) to high-pressure wash-downs (IP69K), making it versatile enough for both standard and harsh environments.</p><p>In terms of electrical safety parameters, the rated insulation voltage is set at 300 V with a rated impulse withstand voltage of 6 kV. This ensures the device can handle unexpected surges or spikes in electricity without compromising on safety or performance.</p><p>The contact configuration includes one normally open (1NO) and one normally closed (1NC) contact which allows flexibility in circuit design—ideal for users who require specific control logic configurations.</p><p>For those concerned about storage conditions before installation or during maintenance periods, rest assured that this product can be stored safely within temperatures ranging from -40 to 85 degrees Celsius without affecting its integrity or functionality.</p><p>An actuator type described as &#39;maintained&#39; indicates that once activated, the position will remain until manually changed—a feature beneficial for processes requiring sustained operation states without continuous manual intervention.</p><p>Lastly, addressing environmental considerations such as pollution levels is crucial; hence this product boasts an IP3 degree of pollution rating ensuring reliable operation even when exposed to moderate levels of contaminants typically found in industrial settings.</p>