Head Boards for Two Bundle Conductors High Efficiency Spacer For
Overhead Lines
Core Design Features
- High-strength aluminum alloy frame (6061-T6) with stainless
steel hardware
- Rubber-coated clamps to prevent conductor damage and reduce
vibration
- Working Load Limit (WLL): 10-50kN (depending on configuration)
- Compatible with 10-50mm diameter conductors (ACSR/AAAC/ACCC
types)
- Adjustable spacing (300-600mm) for different bundle
configurations
- UV-resistant polymer components for long-term outdoor use
Operational Advantages
✔ Reduces conductor galloping by maintaining consistent spacing
✔ Minimizes sub-span oscillations with integrated damping
features
✔ Easy installation with tool-free clamp adjustment
✔ Corrosion-resistant (ISO 9227 C4 class for harsh
environments)
✔ Low maintenance design with self-lubricating components
Safety Certifications
✓ IEEE 524 conductor installation standard compliance
✓ IEC 61897 spacer damper requirements
✓ OSHA 1910.269 live-line work certified
✓ Non-conductive materials for electrical safety
Maintenance Specifications
• Annual visual inspection for wear and damage
• Replace rubber clamps every 5 years or as needed
• 5000-cycle service life guarantee
• UV-resistant markings for long-term identification
Typical Applications
➔ Bundle conductor installations
➔ Transmission line vibration control
➔ Dead-end spacer applications
➔ High-wind area conductor spacing
➔ Emergency conductor repairs
| Item number | Model | Rated Load (KN) | Applicable Sheave Width (MM) | Weight (KG) | Feature |
| 17220 | SZ2-8 | 80 | 75 | 17 | Conductor are independent |
| 17221 | SZ2-8A | 100 | 19 |
| 17222 | SZ2-8B | 110 | 19.5 |
| 17223 | SZ2A-8 | 80 | 100 | 90 | Poising sheave |
| 17223T | SZ2A-8T | 110 | 100 | Poising sheave |
| 17224 | SZ2B-13 | 130 | 110 | 55 | Conductor are independent |
| 17225 | SZ2C-13 | 130 | 110 | 50 | Conductor are independent |
| 17226 | SZ2B-18 | 180 | 125 | 90 | Conductor are independent |
