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. These mushroom head E-Stops come with the complete button head, fixing collar and contact block.

• 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
• Shock protection level up to IK06 providing additional machine & personnel safety in emergency situations including shock or electrocution
• 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
• High vibration resistance combined with shake-proof terminal screws perfect for a moving panel or parts
• 1 NO + 1 NC Contact(s) - suitable for varying applications and scenarios
• 22 mm cut-out size - fits with a wide range of other Schneider Contact Block base units
• Conformity to the highest industry standards for machine safety including - IEC, UL, CSA, CCC EAC & JIS standards, as well as CE marking & Marine approvals
• 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 making them perfect for confined spaces where E-stops critical for safety and security
• 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 XB4 Emergency Stop Button range
• 18-month manufacturer warranty with Schneider

• Food and Beverage industries (restaurants, kitchens - IP66 waterproofing is perfect for wash-down procedures)
• Automotive industries (particularly with a lot of moving machinery & devices)
• Energy distribution panels, public works, commercial buildings, airports.