SGB Bolt-Type Electrical Equipment Clamp for 35–400mm² Conductors and Busbars
Product Overview
The SGB bolt-type equipment clamp is used to connect conductors to flat terminals on transformers, substations and other electrical equipment. Its multi-bolt structure provides secure mechanical fastening and stable electrical contact.
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Product Features
- Suitable for conductor sizes from 35 to 400mm²
- Supports 2-bolt and 4-bolt configurations
- Recommended tightening torque from 28 to 58N·m
- Reference current capacity from 340 to 740A
- Slotted mounting plate allows installation adjustment
- Reliable connection for outdoor and indoor equipment
Product Structure

Technical Specifications
| Model | Applicable Conductor Cross-section(mm²) | Bolt Quantity | Recommended Tightening Torque(N·m) | Equipment Mounting Hole Diameter | Reference Current Capacity(A) | Reference Weight(kg) |
|---|---|---|---|---|---|---|
| SGB-35-120 | 35-120 | 2 | 28-32 | Φ13-14 | 340 | 0.32 |
| SGB-35-240 | 35-240 | 4 | 40-45 | Φ13-14 | 480 | 0.55 |
| SGB-70-240 | 70-240 | 4 | 42-48 | Φ13-14 | 510 | 0.6 |
| SGB-95-300 | 95-300 | 4 | 48-52 | Φ14-15 | 630 | 0.72 |
| SGB-120-400 | 120-400 | 4 | 52-58 | Φ14-15 | 740 | 0.85 |
Applications
Transformer terminals
Substation equipment
Switchgear and busbar connections
Overhead line equipment
Industrial power distribution systems

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