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Fire-Resistant Outdoor Residential Distribution Box with Overload Protection
Safeguard your home's electrical infrastructure against extreme conditions with our Fire-Resistant Outdoor Residential Distribution Box. Specifically engineered to handle the demands of modern residential power systems, this high-performance consumer unit integrates advanced UL94-V0 fire-retardant technology with robust structural design to deliver comprehensive safety.
Equipped to house and optimize overload protection devices, this distribution box serves as the ultimate defensive barrier against electrical fires, short circuits, and current surges. Whether installed for outdoor backyard power hubs, residential electric vehicle (EV) charging stations, or exterior HVAC units, it provides uninterrupted reliability while keeping your family and property secure.
Technical Specifications
Technical Parameter
Certified Specification Standards
Flame Retardancy Rating
UL94-V0 (Self-extinguishing within 10 seconds, no flaming drips)
Glow Wire Test Resistance
IEC 60695-2-11 verified up to 850°C
Ingress Protection (IP)
IP65 / IP66 Weatherproof Standard
Impact Resistance
IK08 Mechanical Shock Rating
Enclosure Material
Heavy-duty, UV-Stabilized Polycarbonate/ABS Alloy
Rated Voltage / Current
Up to 415V AC / 100A Max Total Busbar Capacity
Internal Hardware
Pre-installed 35mm Electroplated DIN Rail
Terminal Blocks
Heavy-gauge brass grounding & neutral bars included
Thermal runaways from loose residential wiring are a major cause of domestic electrical fires. The main chassis of this box is formulated with high-density, self-extinguishing polymer agents. It passes the international 850°C glow-wire test, meaning that even under severe internal component meltdowns, the enclosure will isolate the thermal hazard and prevent external flame propagation.
Ready for Integrated Overload & Short-Circuit Protection
The spacious internal configuration is purpose-built to house modern circuit protection modules. It effortlessly accommodates:
MCBs (Miniature Circuit Breakers) for overcurrent and overload mitigation
RCBOs / RCDs for ground fault protection and residual current detection
SPDs (Surge Protective Devices) to shield home appliances from lightning strikes
All-Weather Outdoor Durability (IP65 & UV-Stable)
Engineered for exposed perimeter walls, this enclosure features a continuous, co-extruded silicone sealing strip that locks out driving rain, driving wind, sand, and ambient moisture. The outer shell contains dedicated UV inhibitors that prevent polymer degradation, cracking, or embrittlement from prolonged exposure to intense sunlight.
Installer-Friendly Architecture
Pre-Punched Knockouts: Clean, multi-diameter entry paths at the top and bottom allow fast integration with standard PVC or liquid-tight conduits
Safe-Lock Transparent Door: High-impact smoked polycarbonate cover protects breakers from environmental exposure while keeping trip indicators visible for rapid troubleshooting. Includes a padlockable latch to prevent unauthorized tampering
Primary Residential Applications
Residential EV Charging Sub-Panels: Dedicated overload and thermal protection box mounted adjacent to outdoor Level 2 electric vehicle charging stations
HVAC & Heat Pump Isolation: Weatherproof, high-amperage disconnection and distribution point for exterior heating, ventilation, and air-conditioning compressors
Smart Outdoor Living Areas: Centralized control hub for swimming pool pumps, automated landscape lighting transformers, and outdoor kitchen appliances
Solar PV Grid Inversion: Serves as a rugged AC/DC distribution or combiner box for domestic rooftop solar arrays
Package Checklist & Installation Components
1 x Fire-Resistant Outdoor Enclosure
1 x Pre-fitted 35mm Galvanized DIN Rail
1 x Insulated Neutral and Earth Brass Terminal Blocks
4 x Wall-Mount Anchor Screws & Waterproof Bolt Caps
Adjustable PG Threaded Cable Glands
Frequently Asked Questions
Does the enclosure include the actual circuit breakers for overload protection?
This is a fully equipped protective enclosure with internal DIN rails and busbars. The circuit breakers (MCBs/RCBOs) are sold separately or can be configured upon request so that you can match the precise amperage load your home requires.
What makes UL94-V0 material different from standard plastic distribution boxes?
Standard plastics burn freely when ignited and can drip flaming molten material, spreading fire. UL94-V0 rated material stops burning within 10 seconds when the flame source is removed and does not release flaming particles, acting as a true fire containment barrier.
Can this box handle coastal environments with high salt spray?
Yes. The non-metallic ABS/PC polymer alloy body is entirely rust-proof and corrosion-proof, making it significantly more durable than traditional sheet metal panels in coastal or highly humid regions.
Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation!
We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ...
Xiamen Rongmai Electric: A Comprehensive Business Upgrade and Transformation!
We specialize in the R&D and manufacturing of a full range of power distribution boxes, including temporary construction site units, residential lighting panels, power distribution units, fire control cabinets, and ...
