Features: 1[STABLE PERFORMANCE] The disconnect knife switch has a new fastening ring design to reinforce the toughness of the blade clamps so that it remains in good contact with the blade even after multiple partings and closures. 2[UNIQUE DESIGN AND LED INDICATOR] The 3 pole knife switch has a highly transparent housing showing the pure copper inside. LED indicators on both sides of the handle for clear working status. 3[APPLICATION] Double throw knife switch are used in industrial enterprises and domestic appliances to convert between electrical systems and self generated circuits. 4[CONVENIENT TO USE] The knife switch has a large aperture tunnel type wiring hole for easy wiring and stable pressure lines. 5[SAFETY DESIGN] The knife switch is designed to prevent electric shock by raising the edge of the connection port to avoid fingers touching the conductive screws eliminating the risk of electric shock. Specification: Item Type:DisconnectKnifeSwitchMaterial: Resin + ABS + CopperWeight: Approx. 841g/29.7ozNumber of Poles: 3PRated Current: 100AApplicable: For Fail Safe Circuit Breakers Standby Generator Switches Power Switches Package List: 1 xDisconnectKnifeSwitch4 x Screw Note: Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.