The Schneider XB4BT845EX is a robust and reliable emergency stop push-button designed for critical industrial applications where safety is paramount. This complete unit is part of the Harmony XB4 series and is specifically engineered to meet the stringent requirements of ATEX zones, making it suitable for use in environments with dust hazards.
Crafted with a chromium-plated metal bezel and a Zamak fixing collar, the XB4BT845EX ensures durability and resistance to harsh conditions. The device features a red mushroom head with a diameter of 40mm for quick and easy activation in emergency situations. The push-button operates with a trigger action and mechanical latching for secure engagement and reset is achieved through a push-pull mechanism.
The contact assembly of the XB4BT845EX includes one normally open (NO) and one normally closed (NC) contact, providing flexibility in wiring and control circuit design. The contacts are made from a silver alloy (Ag/Ni) to ensure reliable operation and longevity, with a mechanical durability rated at 300,000 cycles.
Installation is straightforward with a mounting diameter of 22mm and the device can be securely fixed onto a support panel with a thickness ranging from 1 to 6mm. The screw clamp terminals are designed for easy and secure wire connection, accommodating a range of wire sizes and types.
Electrical safety is a key feature of the XB4BT845EX, with a rated insulation voltage of 600V and an impulse withstand voltage of 6kV, ensuring the device can handle the rigours of industrial power systems. It also boasts a high degree of protection with an IP65 rating, safeguarding against dust ingress and water jets from any direction.
The XB4BT845EX is a testament to Schneider's commitment to providing high-quality, safety-focused components for industrial automation and control systems. Its robust construction, reliable operation, and compliance with international standards make it an essential component for ensuring safety in hazardous environments.