ОПИСАНИЕ ПРОДУКТА
SCHNEIDER ELECTRIC 81678 - Complete Metal Push Button
The SCHNEIDER ELECTRIC 81678 is a Harmony XB4 series complete metal push button, engineered for robust industrial control applications. This flush-mounted, spring-return operator provides momentary contact closure via a single normally open (NO) contact block, suitable for start/stop functions, process initiation, and general machine control within harsh operating environments. Its design ensures reliable human-machine interface in demanding automation and process control systems.
Technical Specifications:
- SERIES/FAMILY: Harmony XB4
- COMPONENT TYPE: Push Button, Complete, Flush Mounted, Spring Return, Momentary
- ELECTRICAL SPECS:
- CONTACT CONFIGURATION: 1 Normally Open (NO)
- RATED OPERATIONAL CURRENT (AC-15): 1.5 A @ 240 V
- RATED OPERATIONAL CURRENT (DC-13): 0.1 A @ 250 V
- RATED INSULATION VOLTAGE (Ui): 600 V (IEC 60947-1)
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- SHORT-CIRCUIT PROTECTION: 10 A cartridge fuse type gG (IEC 60947-5-1)
- CONTACT MATERIAL: Silver Alloy (AgNi)
- MECHANICAL/PHYSICAL:
- ACTUATOR TYPE: Flush, Spring Return
- ACTUATOR COLOR: Green
- MOUNTING DIAMETER: 22 mm
- BEZEL MATERIAL: Chromium Plated Metal
- MECHANICAL DURABILITY: 10,000,000 cycles
- INTERFACE/CONTROL:
- SIGNALING TYPE: Momentary Contact
- CONNECTION TYPE: Screw Clamp Terminals
- ENVIRONMENTAL/MOUNTING:
- IP RATING (FRONT FACE): IP66, IP67, IP69, IP69K (IEC 60529)
- NEMA RATING: NEMA 13, NEMA 4X
- OPERATING TEMPERATURE: -40 to 70 °C
- STORAGE TEMPERATURE: -40 to 70 °C
- MOUNTING STYLE: Panel Mount, 22 mm Cut-out
- COMPATIBILITY/APPLICATION: Industrial Control Panels, Machine Interface, Process Control Systems, Automation Equipment
