Description: The emergency stop button comes with a self-locking function. When the button is rotated clockwise, it will be reset to prevent the wrong start and easy to restart. Mushroom head emergency stop knob, beautiful and exquisite, with better protection, impact resistance, not easy to age. The high-quality flame-retardant material shell is resistant to high and low temperatures, safe and stable, and has a long service life. The base is hardened and durable, and has good dustproofness, preventing dust from entering and causing poor contact. Widely used in company equipment, instrumentation CNC lathes, marine equipment, industrial equipment, machine tools, textiles, light industry, electric power and other industries. Specification: Material: Plastic Type: Momentary Contact Type: Normally Close Reset method: Emergency Rated Voltage : 600V Rated Current : 10A Wiring method: Threaded push-in terminal Hole Diameter: 22mm / 0.87inch Size: 79 x 40 x 32mm / 3.11 x 1.57 x 1.226inch Package Includes:(6 Pack) 1pc Button Switch