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.

• 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.

• Dangerous equipment such as motors that requires human intervention to operate.

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

• Manufacturers part numbers ending in EX are EX rated products.
• Manufacturers part nos. ending in B5 are fitted with a 24V LED, M5 are fitted with a 230V LED and G5 are fitted with a 110V LED.
• Manufacturers part nos. containing a J are long handle type.

1 NERIS 04Atex900LU

112 D-Ex td A21

This Harmony XB4, red selector switch head with standard handle has 2 positions, operates with stay-put mechanism. This switch head with standard handle provides an ergonomic interface for controlling your machines. It can easily be installed on compatible selector switch units and provide an effective manner to set your machine in various operating modes. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP69K. It has a metal bezel, this makes it Ideal for applications requiring high impact and vibration resistance. It is designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product.