The 421E key is a replacement key designed for use with Schneider Electric's Harmony XB4 and XB5 series emergency stop push buttons and selector switches. These switches are commonly used in industrial control panels and machinery to provide a secure means for authorized personnel to operate equipment.
The 421E key is compatible with standard latching mushroom head push buttons and selector switch units, ensuring reliable operation and security. This key is ideal for replacing lost or damaged keys, maintaining the integrity and safety of your industrial control systems.
Systems include Harmony XB4 and XB5 Systems, ZB4BG412 Systems, 421E Command and Signaling devices, 421E Control units and Schneider XB4 and XB5 units
This key is professionally cut-to-code to original manufacturer's specifications on a high-quality Silca key machine that is regularly calibrated.
