Technical Specifications Rated current: 16A; rated voltage: 480Y/277V AC, 125V DC; 2-pole configuration; B-curve tripping characteristic; breaking capacity: 6 kA at 240V; operating temperature: -25°C to +60°C; IP20 protection; UL 1077, IEC 60898 certified.
Functional Features Thermal-magnetic trip protection; visual trip indicator; manual ON/OFF/RESET handle; DIN rail mounting; reverse feed capability.
Application Scenarios Control circuit protection, lighting circuit protection, industrial panelboard branch protection, HVAC equipment circuit protection.
Performance Parameters Accurate overload trip time-current characteristic; fast short-circuit interruption; reliable reset operation; low power loss.
Material Composition Thermoplastic molded case, bimetallic thermal element, magnetic trip coil, silver-tin contact material, copper bus bars.
Structural Characteristics Modular DIN rail form factor, front operating handle, top and bottom screw terminals, trip status window.
Working Principle Under overload conditions, the bimetallic element heats and deflects to trip the mechanism after inverse time delay. Under short-circuit conditions, the magnetic coil generates instantaneous force to trip the mechanism and interrupt fault current.
Installation Requirements Snap onto standard 35mm DIN rail; torque terminals to specified values; verify pole configuration and current rating match circuit requirements.
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