3P Breaker Protector AC420V 20/40KA Arrester for Home/Industrial Electrical Systems DIN Rail Mount Thunder Overvoltage Protection(3P)

Protective device breaker protector designed for electrical systems with AC420V rating and 20-40KA discharge capacityThis 3-pole module features fireproof PC enclosure and advanced chip technology for precise overvoltage responseSuitable for residential and commercial electrical installations. Provides reliable protection against thunderstrike-induced voltage spikes and system overvoltage conditionsSpecificationItem Type: Breaker ProtectorMaterial: PCMaximum Continuous Working Voltage Uc: 420V ACNominal Discharge Current In: 20kA (8/20microsecond)Maximum Discharge Current Imax: 40kA (8/20microsecond)Voltage Protection Level Up: ≤1.8KVNumber of Poles: 3PInstallation: Approx. 36mm / 1.42in railProtection Class: IP20Working Temperature: -40℃~80℃, Humidity: ≤90% (average 25℃)Package List:1 x Breaker ProtectorNote:1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures2.Please allow 0.2 inch measuring deviation due to manual measurement. thanks for your understanding

• ‌Advanced AC Power Protection‌: Safeguards AC power systems (up to 420V) against flash strikes and overvoltage with nanosecond response time (≤1.8KV protection level)
• ‌High-Capacity Discharge‌: Handles nominal 20kA and up to 40kA (8/20μs) current, ensuring robust protection for sensitive electrical equipment
• ‌Fireproof & Durable‌: PC enclosure avoids burnout, while precision chips enhance conductivity and longevity (-40℃~80℃ operating range)
• ‌Easy DIN Rail Installation‌: Modular design simplifies setup and maintenance (fits standard 36mm rails; IP20 rated)
• ‌Reliable Grounding‌: Diverts hazardous voltages to ground instantly, minimizing downtime and damage risks