Ningbo Suntech Power Machinery Tools Co.,Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 80000 PCS/Month |
| Delivery Time | 3-5days |
| Packaging Details | Plywood Case |
| Name | 660 Series Stringing Block |
| Item No. | 10121-10128 |
| Model | SHD660-SHWQN660 |
| Sheave | 1/3/5 |
| Rated Load | 20-60KN |
| Weight | 30-110KG |
| Brand Name | Suntech |
| Model Number | 660 |
| Certification | ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 80000 PCS/Month |
| Delivery Time | 3-5days | Packaging Details | Plywood Case |
| Name | 660 Series Stringing Block | Item No. | 10121-10128 |
| Model | SHD660-SHWQN660 | Sheave | 1/3/5 |
| Rated Load | 20-60KN | Weight | 30-110KG |
| Brand Name | Suntech | Model Number | 660 |
| Certification | ISO | Place of Origin | China |
| High Light | Angel Steel Lattice Tower ，Tubular Steel Lattice Tower ，330kv Lattice Transmission Tower | ||
Heavy Duty 660 Stringing Block For High-Voltage Transmission Lines
1. Professional Conductor Installation Performance
Designed for conductors up to 80mm diameter
•Working load limit: 15,000 lbs (6,800 kg)
•Low-friction operation with precision bearings
2. Industrial-Grade Construction
• Forged aluminum alloy body (6082-T6)
• Chrome-plated steel axle with sealed bearings
• Reinforced side plates with safety locks
3. Advanced Safety Features
Automatic spring-loaded gate lock
5:1 safety factor load tested
Non-slip groove surface treatment
4. Ergonomic Design Advantages
40% lighter than comparable steel blocks
Quick-release side plate mechanism
Balanced weight distribution
5. Comprehensive Applications
Ideal for:
500kV+ transmission lines
Bundle conductor installation
Cross-country power projects
Heavy duty stringing operations
Special conductor applications
6. Low Maintenance Operation
Self-lubricating sealed bearings
Corrosion-resistant anodized finish
Minimal moving parts
7. Productivity Enhancements
50% faster conductor payout than standard blocks
Reduces conductor abrasion
Enables smooth operation under heavy loads
8. Job Site Ready
Includes protective carrying case
Pre-assembled for immediate use
Field-serviceable components
9. Professional Certifications
ASTM F2434 compliant
CE certified
IEEE 524 compliant
10. Long-Term Value
15,000+ operation lifespan
Reduces project downtime
Minimizes conductor replacement costs
11. Size Options
Sheave diameters: 660mm, 760mm, 900mm
Groove configurations: 1-8
Custom sizes available
12. Environmental Resistance
-40°C to +80°C operating range
Saltwater corrosion resistant
UV stabilized materials
13. User-Friendly Features
Color-coded load rating indicators
Tool-free side plate removal
Integrated lifting points
14. Package Contents
660 stringing block main unit
Spare parts kit (bearings, pins)
Operation manual
Inspection certificate
15. Industry Applications
Extra high voltage transmission
Renewable energy grid connections
International power projects
Heavy industrial installations
Utility maintenance programs
16. Performance Advantages
Maintains alignment under extreme loads
Easy to install on tensioners
Durable in harsh weather conditions
17. Technical Innovations
Patented bearing protection system
Advanced groove geometry
Anti-vibration design
18. Purchase Options
Available through power equipment suppliers
Project volume discounts
Global shipping available
19. Training Resources
Installation video tutorials
Safety operation manuals
Maintenance procedure guides
20. Quality Assurance
Each unit factory load tested
Full material traceability
1-year structural warranty
| Item number | Model | Number of sheaves | Rated load (kN) | Weight (kg) | Features |
| 10121 | SHD660 | 1 | 20 | 30 | Rubber lined aluminium sheave |
| 10122 | SHS660 | 3 | 40 | 100 | Middle : Cast steel sheave Conductor : Rubber lined aluminium sheave |
| 10123 | SHW660 | 5 | 60 | 150 | Middle : Cast steel sheave Conductor : Rubber lined aluminium sheave |
| 10124 | SHDN660 | 1 | 20 | 26 | MC nylon sheave |
| 10125 | SHSN660 | 3 | 40 | 86 | Middle : MC nylon sheave Conductor : Rubber lined aluminium sheave |
| 10126 | SHWLN660 | 5 | 60 | 120 | Middle : MC nylon sheave Conductor : Rubber lined aluminium sheave |
| 10127 | SHSQN660 | 3 | 40 | 70 | MC nylon sheave |
| 10128 | SHWQN660 | 5 | 60 | 110 | MC nylon sheave |
| 10130 | SHQ660A | 7 | 75 | 190 | Middle :cast steel sheave Conductor : MC nylon sheave |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1995
Total Annual:
>300 Million
Employee Number:
>158
Ecer Certification：
Verified Supplier
Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged in the field of electric power more than 26 years. 1.Steel structure industry especially steel towers and related pr... Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged in the field of electric power more than 26 years. 1.Steel structure industry especially steel towers and related pr...
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