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.

Stop emergency situations in a flash with this push button switch from Schneider Electric. The bright red colour makes it easy to spot when you need to shut down operations fast. Getting set up is a cinch, thanks to the unit's snap-fit modular assembly. Installation is completed with the tightening a single screw. For extra safety and peace of mind, when you press the emergency stop button you have to twist it to reset, so there's no need to worry about accidental restarts.

• Standard cutout diameter of 22mm for easy panel mounting
• Insulating plastic head for safe, shock-free handling
• IK06 rated for protection against impact
• Safe to use in a wide operating temperature range between -40°C and +70°C
• Flat head with a 40mm diameter makes it easy to operate

• Production lines
• Distribution centres
• Chemical processing

Yes, it's IP69K rated, meaning it's protected against the high-pressure jets of hot water used to keep workplaces hygienic.

It has a mechanical durability of 300,000 cycles, so you can depend on it to keep up with the pace in busy applications.