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Still deciding? Get samples of $ !
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| Customization: | Available |
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| Material: | ABS |
| Application: | Medical, Household, Electronics, Automotive, Agricultural, Store Electrical Wire |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
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Mold Material
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Aluminum,45#, P20, H13, 718, 1.2344, 1.2738 and so on
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Plastic Material
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PC/ABS, ABS, PC, PVC, PA66, POM or other you want
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silicon rubber Material
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NR, NBR, SBR, EPDM, IIR, CR, SILICONE, etc
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Plastic Surface finish
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Polishing finish,Texture Finish,Glossy Finish,Painting,Slik print,Rubber Painting etc
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Drawing format
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IGES, STEP, AutoCAD, Solidworks, STL, PTC Creo, DWG, PDF, etc..
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The Way of Color Contrast for Plastic
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RAL PANTONE
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Certificated
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ISO 9001:2015 Certificated, SGS Certificated
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Service Project
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To provide production design, production and technical service, mould development and processing, product assembly and packaging,etc
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| Item | Description |
| 1.Mould material | P20,718H,45#,STAVAX ESR S136,H13,2316,2083,2344 |
| 2.Hardness of steel | vacuum quenching, nitride, HRC41-47, HRC46-50, HRC60 |
| 3.Inserts / Slider steel | H13 (DIN.1.2344),tempered with HRC46-50 |
| 4.Mould spare parts | H13 (Din 1.2344),tempered with HRC40-45,nitrited with HRC60-62 |
| 5.Mould base | LKM,HASCO |
| 6.Mould cavity | Single / Multi |
| 7.Runner system | Hot / Cold |
| 8.CAD centre for data formats | IGES,X_T,STP & DWG,etc |
| 9.Plastic material | ABS,PC,PE,PP,PS. |
| 10.Mould life | 80000- more than 1000000 |
| 11.Delivery time | 4-8 weeks |
| 12.Terms of payment | T/T, Paypal, Western Union and so on |
Strict inspection we do during operation
Experienced QC testers to check the products dimension, surface and performance according to drawings specification.
Experienced IQC to check the dimensions and surface of the incoming material.
Experienced PQC to inspect full-course during the processing.
Experienced FQC to inspect all the plating products from outsides and make the 100% inspection before the shipments.
Quality sample will be provided for your testing before production according to ISO 9001: 2015.
We are pleased to service you with excellent quality, reasonable cost and grow with you together.
Our Services
1.Product Design,Structural Optimization,Process Optimization.
2.Mold Making,Plastic Molding Parts,Casting Parts,Machining Part.
3.Manage Project,Control The Delivery and Quality of Products.
4.Arranging the Transportation,Customs Clearance and other Matters for You.
Advantages:
1. Competitive price.
2. Strict quality control system.
3. Quick mold making and delivery.
4. Advanced equipment, excellent R&D teams.
5. Professional technicians and rich experienced workers.
1. What is a terminal box (junction box)?
A terminal box, often called a junction box, is an enclosure that houses and protects electrical connections (splices, terminations, or branches of circuits). Its primary purposes are to protect connections from environmental factors, prevent electrical shock, and contain any potential sparks or fire.
2. What are the main types of terminal boxes?
Common types are categorized by material, protection level, and application:
By Material: Plastic (PP, PVC, Polycarbonate), Fiberglass-Reinforced Polyester (FRP), Stainless Steel (SS 304/316), Aluminum, Cast Iron.
By Protection (IP Rating): Dust-tight, waterproof, submersible, explosion-proof (Ex d, Ex e).
By Application: General-purpose, marine, corrosive environment, hazardous area, underground, solar PV, cable gland entry.
3. What does the "IP Rating" mean?
The Ingress Protection (IP) rating indicates the level of protection against solids and liquids. For example:
IP65: Dust-tight & protected against low-pressure water jets.
IP66/IP67: Protected against powerful jets or temporary immersion.
IP68: Protected against prolonged immersion under specified pressure.
Choose the rating based on the installation environment (e.g., outdoor, washdown area, underground).
4. How do I select the right size terminal box?
Consider:
Number and Size of Cables/Glands: Ensure enough entry points (knockouts or pre-drilled holes) and space for all cable glands.
Internal Components: Allow ample space for wire bundles, splices, terminal blocks, and devices (e.g., small relays) without overcrowding. A good rule is to fill no more than 40-50% of the internal volume.
Future Expansion: Consider adding spare capacity for future modifications.
5. How do I install a terminal box safely?
Power Off: Always isolate and lock out/tag out the power supply before installation.
Mounting: Securely mount the box on a stable surface using appropriate hardware.
Cable Entry: Use correctly sized cable glands or conduit connectors for each cable to maintain the IP rating.
Grounding: Ensure proper grounding of the box itself (if metal) and the cable shields/armor as required.
Sealing: Use provided gaskets correctly and seal any unused openings with blanking plugs.
6. What are the key maintenance requirements?
Regular Inspection: Check for physical damage, corrosion, cracks (in plastic boxes), or degradation of gaskets.
Tightness: Ensure covers are tightly sealed and cable glands are secure.
Internal Check: Periodically (during scheduled maintenance) inspect for signs of overheating, loose connections, moisture, or pests. Keep the interior clean and dry.
7. Can I use a standard plastic box outdoors?
Only if it is explicitly rated for outdoor use (UV-stabilized material) and has a sufficient IP rating (typically IP65 or higher) for the specific weather conditions (rain, ice, sunlight). For harsh environments, fiberglass or stainless steel is often recommended.
8. What is the difference between a "Terminal Box" and a "Control Box"?
Terminal Box: Primarily for housing and protecting wire connections, splices, and distribution points. It may contain terminal blocks, but few or no active devices.
Control Box: A broader term for an enclosure housing active control components like PLCs, relays, contactors, switches, and HMI panels, in addition to terminal blocks.
9. What are the standards for terminal boxes?
Common international standards include:
IEC/EN 62208: For empty enclosures (defines general requirements).
IEC/EN 60529: IP Code (Ingress Protection).
IEC/EN 60079: For explosion-proof enclosures (ATEX/IECEx).
UL 50 & UL 508A: Standards for enclosures and industrial control panels in North America.
NEMA 250: Defines NEMA Type ratings (e.g., NEMA 4X) common in the US.
10. My terminal box has condensation inside. What should I do?
Condensation indicates moisture ingress or internal temperature cycles.
Short-term: Dry the interior, check and re-seal all gaskets, cable glands, and covers.
Long-term solutions: Install a breather drain valve (to allow moisture out while blocking water in), use silica gel desiccant bags, or install a heating element to keep the internal dew point low.
11. How do I choose between a screw cover and a hinge cover?
Screw Cover: Generally provides a better, more uniform seal and higher IP rating. It is more secure against but slower to open/close for frequent access.
Hinge Cover: Allows much quicker and easier access for maintenance but may have a slightly lower sealing performance over time as hinges wear. Often includes a screw or latch to secure the closed lid.
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