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PG21 Cable Gland
PG21 cable gland is a standard‑size heavy‑duty cable connector designed for medium‑large diameter cables, outdoor and industrial harsh‑environment wiring protection.
- Standard PG21 thread for universal enclosure installation
- IP67 weatherproof sealing with strain‑relief function
- Multiple material options: nylon, brass, stainless steel
- Suitable for new energy, electrical cabinet and coastal projects
Structural & Performance Advantages
Standard PG21 Thread for Universal Installation
Features standard PG21 metric thread, fully compatible with common enclosure hole sizes for industrial cabinets and electrical boxes. No extra machining is required, saving on‑site assembly time for large‑scale engineering projects.
High‑Grade Sealing & Weather Resistance
Multi‑layer elastic rubber gasket delivers stable IP67 protection against dust, rain and moisture. UV‑resistant sealing material prevents aging and cracking, maintaining waterproof performance under long‑term outdoor exposure.
Effective Strain Relief & Anti‑Loosening Design
Built‑in cable strain relief structure firmly locks thick‑diameter cables. It avoids cable pull‑out, displacement and loosening caused by vibration or external tension, improving overall electrical safety.
Robust Material & Wide Temperature Adaptability
Available in nylon . Supports operating temperature, resisting corrosion, impact and salt fog, suitable for long‑term use in harsh industrial environments.
Application Scenarios
Procurement & Customization Services
Bulk Supply & Stable Lead Time
Adequate stock of standard PG21 cable glands supports large‑volume engineering orders. Optimized production process ensures on‑time delivery for global importers and project contractors.
Flexible OEM & ODM Customization
Support custom logo marking, color options, special sealing gaskets and surface treatments. Non‑standard requirements for harsh‑environment applications can be tailored according to bulk‑order demands.
Professional Technical Support
Provide one‑stop selection guidance, parameter matching and installation suggestions. Long‑term quality warranty reduces procurement risks for B‑side buyers and end‑project users.
FAQ
What cable outer diameter does PG21 cable gland fit?
Our standard PG21 cable gland is designed for medium‑large diameter power cables, with a common clamping range of 13–18mm. Custom clamping ranges are available for bulk orders.
Are PG21 cable glands UV‑resistant for long‑term outdoor use?
Yes. UV‑stabilized nylon and anti‑aging rubber seals are adopted, suitable for solar, charging piles and long‑exposure outdoor scenarios.
What certifications do your PG21 cable glands have
CE, RoHS and REACH are standard. UL and ATEX explosion‑proof certifications can be provided upon request.
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| PART NO. | APPROX.LENGTH | APPROX.WIDTH | MAX.BUNDLE DIA. | MIN.LOOP TENSILE |
| MM(INCH) | MM(INCH) | MM(INCH) | STRENGTH N(LBS) | |
| GDCT-4.6x150 | 150(5.9) | 4.6(0.181) | 37(1.46) | 600(135) |
| GDCT-4.6x200 | 200(7.87) | 50(1.97) | ||
| GDCT-4.6x250 | 250(9.84) | 63(2.48) | ||
| GDCT-4.6x300 | 300(11.8) | 76(2.99) | ||
| GDCT-4.6x350 | 350(13.78) | 89(3.50) | ||
| GDCT-4.6x400 | 400(15.75) | 102(4.02) | ||
| GDCT-4.6x450 | 450(17.72) | 115(4.53) | ||
| GDCT-4.6x500 | 500(19.69) | 128(5.04) | ||
| GDCT-4.6x550 | 550(21.65) | 141(5.55) | ||
| GDCT-4.6x600 | 600(23.62) | 154(6.06) | ||
| PART NO. | APPROX.LENGTH | APPROX.WIDTH | MAX.BUNDLE DIA. | MIN.LOOP TENSILE |
| MM(INCH) | MM(INCH) | MM(INCH) | STRENGTH N(LBS) | |
| GDCT-7.9x150 | 150(5.9) | 7.9(0.311) | 37(1.46) | 800(180) |
| GDCT-7.9x200 | 200(7.87) | 50(1.97) | ||
| GDCT-7.9x250 | 250(9.84) | 63(2.48) | ||
| GDCT-7.9x300 | 300(11.8) | 76(2.99) | ||
| GDCT-7.9x350 | 350(13.78) | 89(3.50) | ||
| GDCT-7.9x400 | 400(15.75) | 102(4.02) | ||
| GDCT-7.9x450 | 450(17.72) | 115(4.53) | ||
| GDCT-7.9x500 | 500(19.69) | 128(5.04) | ||
| GDCT-7.9x550 | 550(21.65) | 141(5.55) | ||
| GDCT-7.9x600 | 600(23.62) | 154(6.06) | ||
| GDCT-7.9x650 | 650(25.59) | 167(6.57) | ||
| GDCT-7.9x700 | 700(27.56) | 180(7.09) | ||
| GDCT-7.9x750 | 750(29.53) | 191(7.52) | ||
| GDCT-7.9x800 | 800(31.5) | 193(7.59) | ||
| PART NO. | APPROX.LENGTH | APPROX.WIDTH | MAX.BUNDLE DIA. | MIN.LOOP TENSILE |
| MM(INCH) | MM(INCH) | MM(INCH) | STRENGTH N(LBS) | |
| GDCT-12x200 | 200(7.87) | 12(0.472) | 50(1.97) | 1200(270) |
| GDCT-12x250 | 250(9.84) | 63(2.48) | ||
| GDCT-12x300 | 300(11.8) | 76(2.99) | ||
| GDCT-12x350 | 350(13.78) | 89(3.50) | ||
| GDCT-12x400 | 400(15.75) | 102(4.02) | ||
| GDCT-12x450 | 450(17.72) | 115(4.53) | ||
| GDCT-12x500 | 500(19.69) | 128(5.04) | ||
| GDCT-12x550 | 550(21.65) | 141(5.55) | ||
| GDCT-12x600 | 600(23.62) | 154(6.06) | ||
| GDCT-12x650 | 650(25.59) | 167(6.57) | ||
| GDCT-12x700 | 700(27.56) | 180(7.09) |
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