Electrical Power Distribution Box — WHA Series Waterproof (IP65)
IP65 electrical power distribution box with smoked PC door and Class II insulation.
Polycarbonate/ABS housing, IK10 impact rating, -25 °C to +100 °C operating range.
DIN rail pre-installed; clean knock-out entries; insulation level up to 1000 VAC / 1500 VDC.
Models from 4 to 26 ways for lighting, PV strings, EV-charger feeders, and control circuits.
Overview
The WHA Series electrical power distribution box is a waterproof IP65 board designed for dependable field wiring. Its polycarbonate/ABS enclosure and smoked PC viewing door protect devices while allowing quick breaker checks. Every unit includes a factory-fitted DIN rail plus knock-out entries that accept cable glands to maintain sealing. With Class II insulation, IK10 impact rating, and a wide operating range of -25 °C to +100 °C, WHA suits indoor and sheltered outdoor use.
Key Features
- Smoked viewing door with secure latch for frequent inspections
- Pre-installed DIN rail for MCB/RCD/RCBO devices; tidy internal routing
- Clean knock-out cable entries; glands keep the IP65 protection intact
- Chemical/weather resistance: water, saline solutions, acids, bases, mineral oils and UV
- Insulation capability: up to 1000 VAC / 1500 VDC
Performance & Ratings
- Ingress protection: IP65 (dust tight, protected against water jets when properly sealed)
- Insulation class: Class II (double insulation)
- Impact resistance: IK10
- Operating temperature: -25 °C ~ +100 °C
- Materials: Polycarbonate/ABS body; smoked PC door
Applications
- Lighting and small power sub-circuits in commercial buildings
- Industrial control loops and instrumentation junctions
- Solar PV string/combiner protection (DC), battery systems (confirm device ratings)
- EV-charger feeders and outdoor auxiliaries in sheltered locations
Installation Guide
- Mark the fixing points, drill, and wall-mount the base; ensure the box is level.
- Open knock-outs; fit appropriately sized cable glands or bushings.
- Clip protective devices onto the DIN rail; add neutral/earth bars if required.
- Dress conductors, maintain bend radius, label circuits, and tighten terminals.
- Close the door and verify gasket compression; test continuity/insulation.
What’s Included
- WHA enclosure with smoked PC door
- Pre-installed DIN rail
- Mounting hardware pack (typical screws) *
* Contents may vary by region; confirm with your sales representative.
Options & Accessories
- Cable glands and blind plugs (sizes to suit your cable OD)
- Neutral & earth bars, labeling kits, padlockable latches
- Pre-wiring and custom cut-outs (MOQ applies)
Models & Dimensions
Dimensions are exterior W × H × D from the provided drawings.
Use correctly sized glands and follow sealing instructions to maintain IP65.
WHA-4
WHA-8
WHA-8
WHA-12
WHA-18
WHA-26
Quality & Compliance
- CE & RoHS compliant materials
- Design targets: IP65 (IEC 60529) and IK10 (IEC 62262) levels*
- Routine QC: visual inspection, fit & latch check, gasket compression check
* Always verify final certificates and test reports for the exact batch before project submission.
Request a Quote
Tell us the WHA electrical power distribution box model (ways), quantity, and required accessories (glands, labels, terminal bars, pre-wiring). We’ll respond quickly.
