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Waterproof Junction Box Electrical Enclosure for Indoor and Outdoor Wire Connection PP Material Dustproof Terminal Project Box

  • IP65\ IP66\ IP67\ IP68

  • BSUMWELL/ OEM

  • $1 - $10

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Indoor and Outdoor New Waterproof Junction Box PP Material Plastic Box
 

Engineered for Extreme Environments

Crafted from high-grade, impact-resistant Polypropylene (PP), this indoor and outdoor junction box offers superior protection for your electrical connections. Unlike standard plastic enclosures that degrade under UV exposure or crack in freezing temperatures, our specialized PP material maintains structural integrity from -20°C to 85°C. This ensures long-term housing security for sensitive wiring, relays, and PCB boards.

Certified Waterproof and Dustproof Integrity

Designed with a precision-molded silicone sealing gasket and a secure screw-down lid, this enclosure provides an airtight barrier against dust, moisture, and high-pressure water jets. Whether deployed in heavy rain, marine environments, or high-dust industrial workshops, it prevents short circuits and hardware corrosion, meeting rigorous safety standards for outdoor electrical installations.

User-Centric Installation Design

  • Adaptable Outlets: Features clean, easy-to-drill walls or pre-molded knockouts that allow custom cable gland integration without cracking the main body.

  • Internal Mounting Pillars: Equipped with integrated boss pillars inside the base to securely fasten DIN rails, PCBs, or mounting plates.

  • External Mounting Flanges: Designed with external screw slots so you can mount the box to walls or posts without compromising the internal waterproof seal.

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Frequently Asked Questions (FAQ)

Can this junction box be permanently submerged underwater?

While this enclosure is highly weatherproof and protects against heavy rain, splashing, and powerful water jets, it is not rated for continuous underwater submersion. It is ideal for surface-mounted outdoor environments, coastal areas, and wash-down zones.

Is the PP material UV resistant for long-term outdoor exposure?

Yes, the premium Polypropylene compound includes UV-stabilizing additives. This prevents the box from becoming brittle, fading, or cracking when exposed to direct sunlight over extended periods, making it highly reliable for outdoor solar, lighting, and security setups.

How do I maintain the waterproof seal when running cables into the box?

To maintain the waterproof and dustproof rating, you must use properly sized, IP-rated cable glands or rubber grommets when drilling entry holes. Ensuring the lid screws are tightened evenly in a cross-pattern will also guarantee a uniform seal against the internal gasket.

Can I mount custom circuit boards or terminal blocks inside this enclosure?

Absolutely. The interior base features molded-in mounting bosses specifically designed for self-tapping screws. This allows you to easily secure PCBs, terminal strips, ground blocks, or small DIN rails without drilling through the back of the enclosure.


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             BSUMWELL - SHENZHEN POSHER ELECTRIC CO.,LTD              温州办公室



Power distribution room 

             Auxiliary production area             Core production area 
Production Workshop



Finished goods warehouse            Outbound confirmation room              Product testing room             
Testing workshop            



Operating equipment 2 

             Operating equipment              The goods are packed out of the container
Production related 


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Product Frequently Asked Questions

Q1: What makes this ABS enclosure suitable for direct burial or underground applications compared to standard PVC?

A1: High-grade ABS provides significantly higher impact resistance, tensile strength, and structural rigidity than standard PVC. This allows the enclosure to withstand the constant soil pressure, gravel shifting, and freeze-thaw cycles common in underground environments without cracking or deforming, while naturally resisting underground moisture, fungi, and soil chemicals.


Q2: How does the cable sealing system maintain its IP68 rating under high hydrostatic pressure?

A2: The enclosure utilizes a combination of compression-fit silicone gaskets along the lid and specialized mechanical cable glands at the entry points. When the glands are tightened, they compress a internal rubber seal uniformly around the cable jacket, preventing water tracking even when the unit is submerged or subjected to rising groundwater levels.


Q3: Can these plastic enclosures safely operate in industrial areas requiring explosion-proof specifications?

A3: Yes. The enclosure is engineered with high-density, flame-retardant ABS material that mitigates the risk of static build-up and surface arc ignition. Its robust wall thickness and secure fastening mechanism are designed to prevent external gases or dust from contacting internal electrical sparks, making it ideal for zone-classified dust or non-mining volatile environments.


Q4: Are these boxes resistant to prolonged sunlight if used above ground before transitioning underground?

A4: While standard ABS can degrade under prolonged UV exposure, our industrial-grade enclosures are manufactured with integrated UV-stabilizing compounds. This advanced formulation prevents the plastic from becoming brittle, fading, or cracking when exposed to direct sunlight in outdoor, above-ground installations.




Q1. Can I request samples of waterproof aluminum enclosures before bulk ordering?

A: Absolutely. We encourage sample orders for quality validation and even accept mixed samples. While standard samples are provided free of charge for qualified clients, custom samples may incur a nominal fee that will be credited toward future orders.


Q2. What is your production lead time?
A: Our streamlined process ensures:

  • Samples: 3-5 working days (expedited service available)

  • Mass production: 1-2 weeks for orders exceeding 1,000 units
    Note: Lead times may vary for complex customization projects.


Q3. Is there a minimum order quantity (MOQ) for waterproof enclosures?
A: We prioritize flexibility for our partners:

  • Sampling: MOQ 1 unit for quality verification

  • Bulk orders: Competitive MOQ starting at 500 units, with tiered pricing for volume orders


Q4. What shipping methods do you offer for international orders?
A: We provide end-to-end logistics solutions:

  • Express: DHL/UPS/FedEx (3-5 days, door-to-door tracking)

  • Air freight: 5-7 days for urgent bulk shipments

  • Sea freight: Economical option for full-container loads (FCL)
    Customs clearance support included for all shipments.


Q5. What is the standard ordering process?
A: Our 5-step streamlined workflow:

  1. Technical consultation (application scenarios/IP rating requirements)

  2. DFM analysis & formal quotation

  3. Sample approval & 30% deposit payment

  4. Production with weekly progress reports

  5. Final inspection & balance payment


Q6. Can you apply custom branding to the products?
A: Yes, we offer value-added OEM services:

  • Logo engraving/pad printing (provide vector files in .ai/.eps format)

  • Custom packaging solutions
    Design proof must be approved 72hrs before production commencement.


Q7. What quality assurance do you provide?
A: Our commitment includes:

  • Product warranty: 2-year limited warranty (extendable)

  • Certifications: IP68/IP69K compliant, RoHS & REACH certified

  • Testing reports: Third-party lab reports available upon request


Q8. How are quality issues handled?
A: Our zero-defect protocol ensures:

  1. Prevention: ISO 9001:2015 certified production with automated optical inspection

  2. Resolution:

    • Single-unit defects: Replacement within 48hrs (NCR report provided)

    • Batch issues: Full root-cause analysis + 3 resolution proposals within 72hrs

    • Critical defects: On-site technical support available


Need More Details?
Contact our sales team at [
Sales@bsumwell.com] for project-specific consultation.


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A430, Gaosheng Building, 18 Center Road, Xinqiao Street, Baoan, Shenzhen, China
 

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