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Termate’s pillar insulators deliver high mechanical strength and electrical insulation for your compact assemblies and transport applications.

Designed and manufactured in-house from halogen- and phosphorus-free polyamide 6, they combine low smoke emissions with flame-retardant performance verified to EN 45545-2: 2020 – EL10 (R26).

These insulators are also fully compliant with IEC 61439, making them suitable for railway, marine, tunnelling, and industrial environments where both safety and durability are critical.

Available in female/female, male/female, and male/male versions, they provide dependable separation and support for live components in low-voltage systems.

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Key Features

  • Material: Halogen- and phosphorus-free PA6 (Polyamide 6), low-smoke and flame-retardant
  • Inserts: Brass (female) / Zinc-plated steel (male)
  • Standards: EN 45545-2 (R26 EL10) / IEC 61439 compliant
  • Operating temperature: −20 °C to +130 °C
  • Voltage rating: 1000 V AC / 1500 V DC
  • Impulse withstand: 12 kV
  • Flammability: V-0 to IEC 60695-11-10 | Glow wire 960 °C | Oxygen index 32 %
  • Configurations: Female/Female, Male/Female, Male/Male
  • Tested for reaction to fire, smoke opacity & gas toxicity (NF F16 101/102 I3/F2)

Technical Information for Pillar Insulators

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You will find useful technical information below but, if you have any questions, please contact our technical team for support.

Properties

PropertyValue
MaterialZero halogen and phosphorus-free polyamide 6 (PA6) with low smoke emissions and flame retardant
Female Insert MaterialBrass
Male Insert MaterialMild steel, zinc plated & passivated
Operating Temperature−20 °C to +130 °C
FlammabilityV-0, to IEC 60695-11-10
Product Number to EN 45545-2:2020EL10
Oxygen Index32%
Glow Wire960 °C

Characteristics

PropertyValue
Equipment Voltage (Ue)1000 V AC, 1500 V DC
Insulation Voltage (Ui)1000 V AC, 1500 V DC
Impulse Voltage (Uimp)12 kV

Diagram of Termate's Female/Female Pillar Insulator, showing a plan view of the top, with a width and
Part Number3D ModelHeight
[H] (mm)		Width AF
[W] (mm)		Width AC
[X] (mm)		Thread Size*
[M]		Thread Depth
[D] (mm)		Maximum
Tightening Torque
(N·m)		Box Qty.
3M420F3M420F STEP file201214M452200
3M520F3M520F STEP file201214M554200
3M425F3M425F STEP file251214M452200
3M525F3M525F STEP file251214M554200
3M430F3M430F STEP file301214M452200
3M530F3M530F STEP file301214M554200
3M540F3M540F STEP file401214M554100
3M550F3M550F STEP file501214M554100
3M560F3M560F STEP file601214M554100

* Fixing details: Hole diameter = Standoff thread size [M]+1 mm. e.g. M6 Thread = 7 mm hole diameter.

Our Insulators have ISO M inserts with coarse threaded inserts in accordance with BS 3643-2 – Table 1 and ISO 262

Part Number3D ModelHeight
[H] (mm)		Width AF
[W] (mm)		Width AC
[X] (mm)		Thread Size*
[M]		Thread Depth
[D] (mm)		Length
[L] (mm)		Maximum
Tightening Torque
(N·m)		Box Qty.
3M415H3M415H STEP file151214M45162200
3M515H3M515H STEP file151214M55144200
3M420H3M420H STEP file201214M45162200
3M520H3M520H STEP file201214M55144200
3M525H3M525H STEP file251214M55144200
3M430H3M430H STEP file301214M45162200
3M530H3M530H STEP file301214M55144200
3M540H3M540H STEP file401214M55144100
3M550H3M550H STEP file501214M55144100
3M560H3M560H STEP file601214M55144100

* Fixing details: Hole diameter = Standoff thread size [M]+1 mm. e.g. M6 Thread = 7 mm hole diameter.

Our Insulators have ISO M inserts with coarse threaded inserts in accordance with BS 3643-2 – Table 1 and ISO 262

Part Number3D ModelHeight
[H] (mm)		Width AF
[W] (mm)		Width AC
[X] (mm)		Thread Size*
[M]		Length
[L] (mm)		Maximum
Tightening Torque
(N·m)		Box Qty.
3M415M3M415M STEP file151214M4162200
3M515M3M515M STEP file151214M5144200
3M420M3M420M STEP file201214M4162200
3M520M3M520M STEP file201214M5144200
3M525M3M525M STEP file251214M5144200
3M430M3M430M STEP file301214M4162200
3M530M3M530M STEP file301214M5144200
3M540M3M540M STEP file401214M5144100

* Fixing details: Hole diameter = Standoff thread size [M]+1 mm. e.g. M6 Thread = 7 mm hole diameter.

Our Insulators have ISO M inserts with coarse threaded inserts in accordance with BS 3643-2 – Table 1 and ISO 262

Termate is committed to the highest standard of customer focus and we have made every effort to maintain the accuracy and completeness of the information provided in this data.

Where improvements to our products affect their installation and usage we endeavour to contact any customers who may be affected.

Warranty as stated in our Terms and Conditions of Trading is void if any modification is made to the warranted product.

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