OTDS supply a wide range of Porcelain insulators and Glass insulators suitable for low, medium and high voltage applications.
All our insulators are manufactured to the highest standard usually using glazed brown porcelain. We can also manufacture insulators with a grey glaze if required. Pin insulators come complete with zinc thimbles.
Please click on the thumbnails to the right to learn more about our products.
PIN INSULATORS
CAP AND DISC INSULATORS
STAYWIRE INSULATORS
LOW VOLTAGE INSULATORS
GLASS INSULATORS
PORCELAIN INSULATORS
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11kV Pin Insulator - Porcelain
11kV Pin Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min: 240mm |
Weight: 2.1kg
|
| Min Failing Load (Mechanical Test): 10kN |
| Power frequency flashover voltage: |
| Dry = 80kV Wet = 50kV |
| Impulse flahover voltage: |
| 110kV Negative = 150kV |
| Power frequency withstand voltage: |
| Dry = 75kV Wet = 45kV |
| Impulse withstand voltage: 95kV |
| Power Frequency Puncture Voltage: 130kV |
| Specifications in accordance with BS EN 60383-1 |
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11kV Staywire Insulator - Porcelain
11kV Staywire Insulator - Porcelain
| Dimensions |
| Total creepage distance - Min: 70mm |
Overall Length: 120mm
|
Overall Width: 75mm
|
Weight: 1.2kg
|
Hole Diameter: 21mm
|
Mechanical Failing Load - Min: 110kN
|
| Power frequency flashover voltage: 17kV (Wet) |
| Impulse flahover voltage: 50kV (Negative) |
| Specifications in accordance with BS EN 60383-1 |
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125kN Disc Insulator - Porcelain
125kN Disc Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min) : 340mm |
Weight: 8.5kg
|
| Diameter: 280mm |
Spacing: 178mm
|
Ball and socket coupling size: 20B
|
Min Failing load: 125kN
|
| Power frequency flashover voltage: |
| Dry = 80kV Wet = 50kV |
| Impulse flahover voltage: |
| Positive = 125kV Negative = 130kV |
| Power frequency withstand voltage: |
| Dry = 70kV Wet = 45kV |
| Impulse withstand voltage: 100kV |
| Power Frequency Puncture Voltage: 110kV |
| Specifications in accordance with BS EN 60383-1 |
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125kN Glass Disc Insulator - Porcelain
125kN Glass Disc Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min : 380mm |
Weight: 6.35kg
|
| Diameter: 280mm |
Spacing: 178mm
|
Ball and socket coupling size: 20B
|
Min Failing load: 125kN
|
| Power frequency flashover voltage: |
| Dry = 80kV Wet = 50kV |
| Impulse flahover voltage: |
| Positive = 110kV Negative = 115kV |
| Power frequency withstand voltage: |
| Dry = 75kV Wet = 45kV |
| Impulse withstand voltage: 100kV |
| Power Frequency Puncture Voltage: 130kV |
| Specifications in accordance with BS EN 60383-1 |
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33kV Pin Insulator - Porcelain
33kV Pin Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min: 740mm |
Weight: 9.8kg
|
| Min Failing Load (Mechanical Test) : 10kN |
| Power frequency flashover voltage: |
| Dry = 145kV Wet = 100kV |
| Impulse flahover voltage: |
| 220kV Negative = 270kV |
| Power frequency withstand voltage (one minute): |
| Dry = 135kV Wet = 90kV |
| Impulse withstand voltage: 200kV |
| Power Frequency Puncture Voltage: 210kV |
| Specifications in accordance with BS EN 60383-1 |
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33kV Staywire Insulator - Porcelain
33kV Staywire Insulator - Porcelain
| Dimensions |
| Total creepage distance - Min: 95mm |
Overall Length: 220mm
|
Overall Width: 120mm
|
Weight: 5.4kg
|
Hole Diameter: 28mm
|
Mechanical Failing Load - Min: 140kN
|
| Power frequency flashover voltage: |
Single unit: 26kV (Wet)
|
| 2 units in series: 48kV (Wet) |
| Impulse flahover voltage: |
| Single unit: 75kV (Wet) |
| 2 units in series: 150kV (Wet) |
| Specifications in accordance with BS EN 60383-1 |
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80kN Anti-Fog Disc Insulator - Porcelain
80kN Anti-Fog Disc Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min) : 432mm |
Weight: 7.0kg
|
| Diameter: 254mm |
Spacing: 140mm
|
Ball and socket coupling size: 16B
|
Min Failing load: 80kN
|
| Power frequency flashover voltage: |
| Dry = 100kV Wet = 60kV |
| Impulse flahover voltage: |
| Positive = 150kV Negative = 150kV |
| Power frequency withstand voltage: |
| Dry = 90kV Wet = 50kV |
| Impulse withstand voltage: 125kV |
| Power Frequency Puncture Voltage: 130kV |
| Specifications in accordance with BS EN 60383-1 |
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80kN Disc Insualtor - Porcelain
80kN Pin Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min) : 760mm |
Weight: 5.2kg
|
| Diameter: 254mm |
Spacing: 140mm
|
Ball and socket coupling size: 16B
|
Min Failing load: 80kN
|
| Power frequency flashover voltage: |
| Dry = 80kV Wet = 50kV |
| Impulse flahover voltage: |
| Positive = 125kV Negative = 130kV |
| Power frequency withstand voltage: |
| Dry = 70kV Wet = 45kV |
| Impulse withstand voltage: 100kV |
| Power Frequency Puncture Voltage: 110kV |
| Specifications in accordance with BS EN 60383-1 |
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80kN Glass Disc Insulator - Porcelain
80kN Glass Disc Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min : 320mm |
Weight: 3.45kg
|
| Diameter: 255mm |
Spacing: 140mm
|
Ball and socket coupling size: 16B
|
Min Failing load: 80kN
|
| Power frequency flashover voltage: |
| Dry = 78kV Wet = 45kV |
| Impulse flahover voltage: |
| Positive = 105kV Negative = 110kV |
| Power frequency withstand voltage: |
| Dry = 70kV Wet = 40kV |
| Impulse withstand voltage: 100kV |
| Power Frequency Puncture Voltage: 130kV |
| Specifications in accordance with BS EN 60383-1 |
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Solid Core Insulators: Multiunit
Solid Core Insulator - Porcelain
| Dimensions: |
| Total creepage distance - Min : 210mm |
Weight: 2.5kg
|
Bending Tolerance: 5.0mm
|
| Power frequency flashover voltage: |
| Dry = 60kV Wet = 60kV |
Impulse flahover voltage: 75kV
|
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11kV Staywire Insulator - Porcelain
125kN Disc Insulator - Porcelain
125kN Glass Disc Insulator - Porcelain
33kV Pin Insulator - Porcelain
33kV Staywire Insulator - Porcelain
80kN Anti-Fog Disc Insulator - Porcelain
80kN Disc Insualtor - Porcelain
80kN Glass Disc Insulator - Porcelain
Solid Core Insulators: Multiunit