Scope of Application
• The HUM18PV-63 miniature photovoltaic circuit breaker (hereinafter referred to as the circuit breaker) is primarily designed for overcurrent protection of power facilities and electrical equipment in DC circuits with rated voltages up to 1000V and rated operating currents up to 63A. It can also be used for infrequent switching operations.
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Complies with Standard: GB14048.2.
Normal Operating Conditions
• The upper limit of the surrounding air temperature shall not exceed +40°C, and the lower limit shall not be lower than -5°C. The average value over 24 hours shall not exceed +35°C.
• The altitude of the installation site shall not exceed 2000m.
• The relative humidity of the atmosphere at the installation site shall not exceed 50% at the maximum ambient temperature of +40°C. Higher relative humidity is permissible at lower temperatures. The average maximum relative humidity of the most humid month shall not exceed 90%, while the average temperature of that month shall not exceed +25°C. Measures must be taken against condensation occurring on the product due to temperature changes.
• Pollution Degree: 2.
• Installation Category: II, III.
• Mounting on 35mm standard rail.
Structural Characteristics
• The circuit breaker features excellent current-limiting characteristics, extremely short arcing time, high breaking capacity, precise protective characteristics, long service life, and reliable performance.
• It features a clear visual indication of contact position status.
• The terminal blocks employ a cage clamp structure, ensuring secure and reliable wiring.
• Comprehensive range of accessories available, including auxiliary contacts, alarm contacts, shunt trip releases, etc., providing great convenience for intelligent applications.