Introducing the Harmony ZB4-B series of push button switch from Schneider Electric. This particular e-stop button has a snap-fit assembly which is tightened with a single screw, providing you with easy to secure mounting.

Harmony ZB4-B series from Schneider meets the most demanding international standards and approvals, such as EN/IEC 60204-1 and EN/ISO & Machinery Directive 2006/42/EC.

Note: All heads require a body/fixing collar and contact bodies.

• Easy mountable, using a single installer (Self-maintaining of the head in its cut-out).
• Clip-together component system (head, body, contact blocks).
• Chromium plated metal, durable and easy to recycle
• The switch has great resistance to electric shock, conforming to the machine safety standards of the IEC (Class 1)
• Single locking screw, making the button easy to mount, reliable and secure.
• Mushroom head push button switch, red unmarked for clear visibility. Easily resettable with turn-to-release.
• IP65, IP69K, IP67, IP66, NEMA 4, NEMA 4X, NEMA 12 & NEMA 13 dust and damp proofing as standard - ensuring reliability in harsh environments. Greater resistance to chemicals and/or double electrical insulation.
• Compact in nature perfect for confined spaces where E-stops are critical for dangerous machinery.
• Turn to release easily resettable control where the unit has been alerted and activated for easier Start-Stop operations.
• Schneider Green Premium product as standard across the XALK Emergency Stop Button range.
• 18-month manufacturer warranty with Schneider

• Energy infrastructure industries (control panels, machinery operation, packaging)
• Food and Beverage industries (restaurants, kitchens - IP66 waterproofing is perfect for wash-down procedures)
• Water and Waste Water management systems (control panels, machinery operation, packaging)
• Metal, Mining and Minerals industries (material handling, pumping/working)
• Oil and Gas industries (pumping control panels, dangerous machinery)

Need an easy way to pump the brakes on your system? Add this push button head from Schneider Electric to your panel. Its bright red colour's easy to spot in a busy setting, so you can reach for it quickly when you want to switch things on and off. The plastic head is insulating for safe use without the risk of shocks. As the button has combined IP66, IP69 and IP69K ratings, you can be sure it's shielded from dust and withstands the jets of water you get in washdown conditions.

• Flat 40mm mushroom head is simple to operate
• Long lifespan of 300,000 operations, so it goes the distance without a hitch
• Chrome-plated bezel is resistant to corrosion so you can use it in humid settings.
• Ideal for demanding applications thanks to a wide operating temperature range of -40°C to +70°C

• Control panels
• Machinery operation
• Food and drink industries
• Oil and gas sector

Twist it clockwise to release it. The direction of release is clearly debossed on the head. This prevents workers from accidentally turning on machinery while dealing with an emergency.