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Integrated Copper Busbar Wiring System, Stable Conductivity
Built-in thickened brass neutral bar and earth bar, low resistance and high current carrying capacity, avoiding loose wiring and heating risks. Pre-reserved multiple cable inlet holes on the back and side panels, reserved wiring space for neat internal cable arrangement.
Hidden Flip Cover Design, Dustproof & Household Aesthetic
The inward flip cover effectively blocks indoor dust from entering the box, preventing dust accumulation that causes poor contact. Smooth matte white appearance fits home decoration styles, recessed wall-mounted design saves indoor space without protruding prominently.
Multi-layer Safety Protection Structure, Eliminate Electric Shock Hazards
Internal isolation baffle separates live metal parts from the shell, isolating high-current conductive components. The cover locks tightly to prevent children from touching internal live parts, fully meeting household low-voltage power distribution safety requirements.
| Technical Parameters |
| Item | Technical Specification |
| Product Model | PZ30 Household Distribution Box |
| Housing Material | Flame-retardant ABS Plastic / Cold Rolled Steel Plate |
| Cover Material | Transparent Impact-resistant PC |
| Module Capacity | Single/Double/Triple Row, 4~72 Ways Optional |
| Standard Rail | 35mm DIN Mounting Rail |
| Internal Accessories | Thickened Copper Neutral Bar + Earth Bar |
| Installation Method | Recessed Wall-mounted / Surface Wall-mounted |
| Flame Retardant Grade | V0 Grade ABS Plastic Shell |
| Applicable Voltage | AC230V / AC400V 50Hz |
| Protection Grade | IP30 Indoor Dustproof |
| Standard Compliance | IEC60439 Low Voltage Distribution Standard |
| Product Uses |
◉ Residential Apartment Decoration: Recessed plastic distribution boxes for household lighting, socket, air conditioner and water heater independent branch circuit overload & short-circuit protection.
◉ Villa & Large House Power Distribution: Multi-row large-capacity metal distribution boxes for multi-loop power distribution of multi-layer villas, centralized control of all indoor electrical circuits.
◉ Office & Small Commercial Space: Surface-mounted PZ30 boxes for office lighting, computer socket and air conditioning power division, simple installation and convenient circuit maintenance.
◉ Hotel & Dormitory Room Power Control: Small module distribution boxes installed inside each guest room, independently controlling room power supply to facilitate power management and energy saving.
◉ Indoor Public Area Weak Current Matching: Small 4–12 way boxes for monitoring, access control and fire linkage power supply branch protection inside building electrical shafts.
| Product Operate Guide |
Select module quantity according to total number of circuit breakers before wall embedding. Install DIN rail and copper busbars first, then wire live, neutral and earth wires separately. Close transparent cover after wiring to block dust. Download full English wiring & installation PDF for standard construction steps.
| FAQ |
Q: What is the difference between plastic and metal PZ30 boxes?
A: Plastic boxes are lightweight, low-cost, flame-retardant and mostly used for ordinary home concealed installation. Metal steel boxes have stronger impact resistance, larger capacity, suitable for villas, offices and commercial multi-circuit power distribution.
Q: Can this box fit all brands of miniature circuit breakers?
A: It adopts universal 35mm DIN standard rail, compatible with all mainstream MCB, RCD and SPD brands at home and abroad, no size adaptation problem.
Q: How many circuits can a single-row PZ30 box hold at most?
A: Single-row maximum 24 modules; double-row up to 48 modules; triple-row up to 72 modules, supporting customized multi-row large capacity for large power consumption projects.
Q: Is the plastic shell resistant to high temperature and fire?
A: The plastic shell is V0 grade flame retardant ABS, it will self-extinguish within 30 seconds after leaving the fire source, no molten drip spread, effectively preventing electrical fire spread.
Q: Can it be installed on the wall surface without embedding?
A: Yes, we supply surface-mounted frame accessories for all models, can be directly fixed on wall surface without wall grooving, ideal for old house renovation projects.
