Porcelain Stay Insulator Product Overview:
Functioning as a critical segment of a complete stay set—alongside plates, rods, bows, and thimbles—this stay type insulator safely anchors overhead structures. Utility procurement specialists rely on its durable design for the following operational advantages:
- Absolute Ground Isolation: Actively stops fault currents from traveling down the tension wire, protecting pedestrians and ground-level equipment.
- Visual Identification: Manufactured in standard grey or brown finishes to comply with specific regional utility coding requirements.
- EPC Scalability: Backed by a highly capable engineering team supplying bulk lots for massive infrastructure projects with zero initial MOQ.
Key Features of the Porcelain Stay Insulator:
Upgrading your grid with this heavy-duty hardware drastically reduces maintenance costs and prevents structural grounding failures. B2B contractors secure immediate logistical and mechanical benefits through these certified engineering traits:
- Constructed under a strict full-set quality control plan to ensure unwavering corrosion resistance and long-lasting field reliability.
- Highly economical sourcing that delivers a low cost and low price structure, coupled with dependably fast quotation responses.
- Fully supported by OEM customization capabilities and complete tender documentation ready for immediate engineering submission.
Porcelain Stay Insulator Applications & Use Cases:
Engineered to endure extreme mechanical tension, the stay insulator acts as an indispensable anchoring tool for overhead power lines. Field crews consistently deploy this hardware to guarantee precise alignment across diverse utility environments:
- Securing telecom poles and heavy electrical towers by bearing the intense pull of suspended cables.
- Forming a protective isolation gap in guy wire assemblies to prevent dangerous voltage leaks directly to the earth.
- Large-scale municipal utility deployments requiring robust isolation materials with free initial samples for quality verification.
Porcelain Stay Insulator Technical Specifications:
Review the precise mechanical, electrical, and dimensional parameters below to confirm the correct hardware for your project. Each series model is engineered to handle specific creepage distances and tensile limits safely.
54-Series Technical Data Sheet:
| Model No. | Creepage Distance (mm) | Power Freq. Flashover (Dry) | Power Freq. Flashover (Wet) | Min. Tensile Strength |
|---|---|---|---|---|
| 54-1 | 41 | 25 KV | 12 KV | 44.5 KN |
| 54-2 | 47 | 30 KV | 15 KV | 53.0 KN |
| 54-3 | 57 | 55 KV | 18 KV | 89.0 KN |
| 54-4 | 76 | 40 KV | 23 KV | 89.0 KN |









