Brand: BSUMWELL (a professional manufacturer with many years of production experience, identified as a "Source Manufacturer").
Series Name: PS-RT Series (focuses on waterproof electrical junction boxes for power-related scenarios).
Product Type: Waterproof & moistureproof electrical junction box (used for protecting circuit connection nodes in power transmission).
Supply Capacity: 10,000 pieces per week, capable of meeting both small-batch trial and large-scale procurement needs.
Packaging & Delivery:
Packaging: Export-standard carton boxes (1 junction box per carton for basic packaging); outer box size of electric waterproof distribution boxes supports customization.
Delivery Ports: Shenzhen, Ningbo, Shanghai (flexible choice of logistics routes).
Inventory Status: Fully stocked (e.g., the PS-RT 20107G model has 1,000 pieces in stock), ensuring fast delivery without long production waits.
Price Range: Factory-direct prices, economical (e.g., the PS-RT 20107G model is priced at $0.6-$1.53), reducing procurement costs.
Main materials: ABS, PC, or ABS+PC composite; all materials feature high temperature resistance, low temperature resistance, and robust durability, adapting to diverse environmental conditions (e.g., outdoor humidity, workshop temperature fluctuations).
Two grades available:
IP55 (for small-size models like PS-RT 50x50, PS-RT 80x50, suitable for general dustproof and splash-proof scenarios).
IP65 (for most models like PS-RT 100x100x70, PS-RT 400x350x120, enabling effective waterproof and moistureproof performance, applicable to outdoor or humid environments).
Size range: Covers 13+ specifications, with external dimensions from 50×50mm (smallest, PS-RT 50x50) to 400×350×120mm (largest, PS-RT 400x350x120); representative models include PS-RT 200x100x70 (200×100×70mm) and PS-RT 255x200x80 (255×200×80mm).
Hole specifications:
Hole quantity: 4-16 holes (e.g., 4 holes for PS-RT 50x50, 16 holes for PS-RT 400x350x120).
Hole diameter: 25mm (for most small/medium models) or 36mm (for large models like PS-RT 200x155x80).
Weight & packaging quantity:
Gross weight (G.Weight): 12.9-19.8KG per carton; net weight (N.Weight): 11.7-18.0KG per carton.
Quantity per carton: 10-300 pieces (e.g., 300 pieces for PS-RT 50x50, 10 pieces for PS-RT 400x350x120).
Certifications: CE (safety certification) and ROHS (environmental protection certification), complying with international safety and environmental requirements.
Compliance standard: IEC60439 (international standard for low-voltage switchgear and controlgear assemblies), ensuring product reliability in power transmission.
External design: Equipped with mounting holes for easy fixing on walls, equipment, or other surfaces.
Internal design: Includes tabs for stably mounting circuit boards, preventing 晃动 (shaking) during use.
Wire connection: Configured with waterproof clamping connectors, adaptable to different wire sizes to enhance waterproof performance at wire inlets/outlets.
External mounting holes simplify fixing; internal tabs enable quick circuit board installation, reducing on-site construction time.
Waterproof connectors adapt to different wire sizes, eliminating the need for additional waterproof processing, improving installation efficiency.
Factory-direct pricing (e.g., $0.6-$1.53 for representative models) reduces intermediate circulation costs, suitable for mass procurement.
Sufficient stock (e.g., 1,000 pieces in stock for hot-selling models) and weekly supply capacity of 10,000 pieces ensure fast delivery, shortening procurement cycles.
Q1: Does it matter if you use a plastic or metal electrical box?
It matters, and the choice depends on the application scenario—the PS-RT series plastic boxes are more targeted for waterproof, humid, or corrosion-prone environments.
For the PS-RT series’ core use cases (e.g., outdoor power lines, railway trackside equipment, basement electrical connections): Plastic boxes avoid rusting (a common issue with metal boxes in humid conditions) and have better insulation. Their integrated waterproof design (matching IP65 protection and waterproof clamping connectors) also simplifies moistureproofing.
Metal boxes are more suitable for high-temperature, high-impact, or strong electromagnetic interference scenarios. If your project is in a dry, indoor, or high-load environment, metal boxes may be an option; but for the waterproof and corrosion-resistant needs that the PS-RT series focuses on, plastic is more cost-effective and practical.
Q2: How to run a small wire into a waterproof enclosure like the PS-RT series?
The PS-RT series is designed with wire entry convenience and waterproofing in mind, and you can follow these steps:
Select a matching waterproof clamping connector (the series is equipped with adapters for different small wire diameters by default).
Pass the small wire through the through-hole of the connector, then tighten the connector’s locking nut to fix the wire—this step ensures the wire is stable and prevents water from seeping in through the gap.
Insert the assembled connector (with the wire) into the pre-reserved hole on the PS-RT junction box, and fasten the connector to the box body (using screws or snap-in design, depending on the model).
After completing the internal wiring, close the box cover and tighten the cover screws to ensure the overall IP65 protection level is not damaged.
Q3: How to waterproof outdoor electrical connections?
Using the PS-RT series junction box is a direct and effective solution, and the specific waterproofing logic includes three core points:
Rely on the box’s inherent IP65 protection level: The PS-RT series’ shell is tightly structured, and the cover and body are sealed with gaskets (some models) to prevent rainwater or splashes from entering the interior.
Use dedicated waterproof clamping connectors: As mentioned in Q2, these connectors form a "double waterproof barrier" with the box body—they not only fix the wire but also block water from the wire entry point (the most vulnerable part of outdoor connections).
Avoid improper installation: Ensure the box is mounted in a non-ponding outdoor location (e.g., 30cm above the ground); after wiring, confirm the cover is fully closed and the screws are tightened. For extreme rain scenarios, you can add an additional waterproof cover (compatible with the PS-RT series’ external dimensions) without affecting the box’s normal use.


