PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC XB4BC21 - Flush Momentary Push-Button Head
This component is a Harmony XB4 series flush-mounted operator head, engineered for integration into industrial control panels and machinery interfaces. It provides momentary actuation for command and signaling functions within automation systems, requiring assembly with compatible contact blocks and light units. Designed for demanding operational environments, it facilitates reliable human-machine interaction in applications such as process control, machine operation, and safety interlocks.
Technical Specifications:
- SERIES/FAMILY: Harmony XB4
- COMPONENT TYPE: Push-Button Head, Flush, Momentary
- MECHANICAL/PHYSICAL:
- OPERATION TYPE: Momentary (Spring Return)
- HEAD STYLE: Flush
- COLOR: Black
- MATERIAL: Chromium-plated metal bezel
- MOUNTING DIAMETER: 22 mm
- INTERFACE/CONTROL:
- FUNCTION: Manual operator for command and signaling input
- COMPATIBILITY: Requires Harmony XB4 contact blocks and/or light blocks for complete functionality
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP66, IP67, IP69, IP69K (when properly assembled with compatible components)
- NEMA RATING: NEMA 13, NEMA 4X (when properly assembled with compatible components)
- MOUNTING STYLE: Panel mount, 22 mm cut-out
- OPERATING TEMPERATURE: -40 to 70 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial control panels, machine interfaces, process control systems
- APPLICATIONS: Start/stop functions, reset, mode selection, general command input for machinery and automation equipment