Schneider Electric | Harmony XB4 Series | Key/Selector Switches Similar to the function of a push button, the key switch operates in a similar fashion, typically with an on/off function. The key differentiation between the two however is that the key switch is more secure, requiring a key to control the device. Schneider Electric bring you the Harmony XB4 series of key switch, designed with your electrical industrial controls security in mind. The Harmony XB4 series of products produced by Schneider Electric are tested rigorously to ensure a high quality product reaches you, that's why there's an 18-month warranty with this product. Features and benefits: • Tough Chromium plated metal, giving the key switch a smooth, silver finish. Highly resistant to corrosion.

• Compact 22 mm mounting diameter, perfect for when space is tight.

• 18-month manufacturer warranty with Schneider Electric.

• Supplied with contact blocks, can be mounted inside certain enclosures.

• Silver alloy contacts for reduced contact resistance.

• Selector Switch XB4 features two positions, capable of turning at 90° angles.

• Supplied with contact blocks.

Protection ratings & Safety features:

• Short circuit protection via a 10 A cartridge fuse conforming to EN/IEC 60947-5-1.

• Electrical durability of 1,000,000 cycles, perfect for industrial applications.

• IP67 conforming to IEC 60529.

• IP69 & IP69k rated for better ingress protection.

• Mechanical protection to IK06 conforming to IEC 50102.

• CSA, UL, JIS rated standards.

• Shock resistance from 30/50 gn conforming to IEC 60068-2-27. Applications: • Dangerous equipment such as motors that requires human intervention to operate.

• Public buildings to control lighting in rest rooms, corridors etc.