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Low-voltage overhead distribution systems require insulators that support conductors while maintaining electrical separation from utility poles and supporting structures. Pin type insulators remain one of the most commonly used insulation components for this purpose.
The Reacon Porcelain Pin Type Insulator is designed for pole top installations in low-voltage distribution networks. Mounted directly onto insulator pins, it provides conductor support and electrical insulation for overhead line construction.
Manufactured from porcelain, the insulator is suitable for utility distribution systems, rural electrification projects, and municipal electrical infrastructure.
Porcelain insulation construction
Designed for pole top mounting
Suitable for low-voltage overhead lines
Supports conductor positioning
Compatible with standard insulator pins
Suitable for outdoor utility environments
Widely used in distribution networks
Available in multiple sizes and configurations
Low-voltage distribution networks
Rural electrification projects
Utility pole construction
Municipal electrical systems
Overhead conductor installations
Infrastructure maintenance and upgrades
Unlike suspension insulators that are used to hang conductors from crossarms, pin type insulators are mounted directly on pole-top pins or crossarm pins.
Support conductor positioning
Maintain electrical isolation
Simplify line construction
Facilitate maintenance and replacement
Because of these characteristics, pin type insulators continue to be widely used in low-voltage overhead distribution systems.
| Product Name | Low Voltage Porcelain Pin Type Insulator |
| Material | Porcelain |
| Installation Type | Pin Mounted |
| Application | Pole Top Conductor Support |
| System Type | Low Voltage Distribution |
| Service Environment | Outdoor |
| OEM Service | Available |
| Main dimensions and standard particulars | |||||||
| Fig | 1 | 1 | 2 | 2 | 3 | ||
| Class ANSI | 56-1 | 56-2 | 56-3 | 56-4 | 56-5 | ||
| Main Dimensions (mm) | H | 146 | 165 | 191 | 241 | 318 | |
| h | 50.8 | 50.8 | 50.8 | 50.8 | 63.5 | ||
| D | 191 | 228 | 267 | 305 | 343 | ||
| d | 34.9 | 34.9 | 34.9 | 34.9 | 34.9 | ||
| d1 | 19 | 19 | 19 | 19 | 19 | ||
| R2 | 14 | 14 | 14 | 14 | 14 | ||
| Nominal Voltage (kV) | 23 | 23 | 35 | 46 | 69 | ||
| Creepage Distance (mm) | 330 | 430 | 533 | 685 | 865 | ||
| Minimum Flashover Voltage | Power-frequency | Dry (kV) | 95 | 110 | 125 | 140 | 175 |
| Wet (kV) | 60 | 70 | 80 | 95 | 125 | ||
| 50% Impulse | Positive（kv） | 150 | 175 | 200 | 225 | 270 | |
| Negative（kv） | 190 | 225 | 265 | 310 | 340 | ||
| Radio Influence Voltage Data | Test Voltage to Ground (KV) | 15 | 22 | 30 | 30 | 44 | |
| Maximum RIV at 1000kHz (uv) | 100 | 100 | 200 | 200 | 200 | ||
| Low-frquency puncture puncture voltage average (kV) | 130 | 145 | 165 | 186 | 225 | ||
| Dry arcing dislance (mm) | 178 | 210 | 241.3 | 285 | 356 | ||
| Cantilever Failing Load(kN) | 1134 | 1360 | 1360 | 1360 | 1360 | ||
| Weight (kg) | 3.7 | 5.3 | 7 | 10.8 | 13.5 | ||
Reacon manufactures porcelain insulators, polymer insulators, surge arresters, fuse cutouts, grounding accessories, and transmission line hardware for utility infrastructure projects worldwide. OEM production and customized manufacturing are available according to project specifications and technical requirements.
Q1: What is a pin type insulator used for?
A1: A pin type insulator supports overhead conductors while electrically isolating them from poles and structures.
Q2: Why is porcelain used?
A2: Porcelain has long been used in electrical insulation applications due to its mechanical strength and insulating properties.
Q3: Can this insulator be used on utility poles?
A3: Yes. It is designed for pole top and crossarm mounting applications.
Q4: Is it suitable for outdoor use?
A4: Yes. It is intended for long-term outdoor service in distribution networks.
Q5: Does Reacon provide custom specifications?
A5: Yes. Different sizes and project-specific configurations can be manufactured according to customer requirements.
