Technical Specifications: Material: PVC Color: Black+Yellow Length: 110mm/4.3" Width:76mm/2.9" Depth(including buttons): 86mm/3.3" Voltage: 250V Rated Current: 16 A Connection: 4 Pin 5 Pin Features and Benefits: The NVR action ensures that if you have a power supply failure the equipment will not start again until the emergency stop button is reset and the start button is pressed again. Emergency stop button has 1 no. normally open contact block & 1 no. normally closed. (Allows for extra features such as controlling a signal light/lamp) Ideal for power switching on electric motors, a great idea for all workshop machines. Rated at 250Volt, 16Amps Fixing holes and cable entry knock-outs Notice: 1. Please allow 1-2mm error due to manual measurement.Pls make sure you do not mind before you bid. 2. The color may have different as the difference display,pls understand. Package Contents: 1 x Switch with a Emergency Stop button.