Distribution Arrester, 10.2 KV MCOV
Distribution arresters are protective devices installed on overhead distribution networks to safeguard electrical equipment and conductors from transient overvoltages, primarily caused by lightning strikes and switching surges. They function by diverting excess surge energy safely to the ground, thereby maintaining system insulation integrity and preventing equipment failure in medium-voltage power line infrastructure.
Engineered for utility-grade reliability, these arresters are commonly deployed on pole-mounted transformers, line taps, and distribution feeders to enhance system resilience and reduce outage frequency.
Key Features:
- High-energy surge protection for overhead distribution systems
- Fast-response nonlinear metal oxide varistor (MOV) technology
- Robust polymer or porcelain housing for environmental resistance
- High insulation coordination with distribution voltage classes
- Corrosion-resistant hardware suitable for outdoor installations
- Designed for repetitive surge handling without performance degradation
- Compatible with IEC/IEEE standards for utility applications
- UV-resistant construction for extended service life in harsh climates
- Easy pole-mount installation with minimal maintenance requirements
- Effective protection for transformers, conductors, and switchgear
Product Details
General
| Application | Distribution |
| Bracket Type | None |
| Color | Gray |
| Material | Silicone Polymer Housing |
| Mounting Position | Upright |
| Type | 5 kA |
Dimensions
| Stud Type | M12 |
Electrical Ratings
| Creep and Leakage Distance | 390 mm |
| Current – Low Current Long Duration (LCLD) Test | 75 |
| Duty Cycle | 12 kV |
| Frequency Rating | 48-62 Hz |
| MCOV | 10.2 kV |
| Maximum .5 Microsecond Discharge Volts @ Classifying Current | 40.0 kV |
| Maximum Discharge Voltage | 32.9 kV @ 1.5 kA 35.6 kV @ 3 kA 36.9 kV @ 5 kA 40.6 kV @ 10 kA 46.1 kV @ 20 kA 54.7 kV @ 40 kA |
| Maximum Switching Surge Protective Level @ 500A | 27.8 kV |
| Minimum Strike | 155.0 mm |
| Pressure Relief Capability-Symmetrical rms (kA) | 15 |
| Time – Low Current Long Duration (LCLD) Test | 2000 µs |
| Withstand Voltage – 60 Hz Wet | 34 |
| Withstand Voltage – Lightning Impulse | 125 |
| Withstand Voltage – Switching Impulse | 31.3 |
Resources and Downloads
| Specifications | Download PDF |
| Technical Drawings | N/A |