Post Insulator Brackets

Post Insulator Bracket
Ductile iron post insulator bracket
post insulator brackets
Galvanized post insulator mounting bracket
Post Insulator Bracket
Ductile iron post insulator bracket
post insulator brackets
Galvanized post insulator mounting bracket

Post Insulator Brackets

Hot-dip galvanized post insulator brackets that fix a post insulator to the pole or structure at the position, standoff, and angle your line needs. Matched to your insulator’s base and your structure’s mounting, so the insulator sits where the design put it.

Description

The Bracket That Puts the Post Insulator Where It Belongs

A post insulator bracket supports the conductor on a rigid post, but the post has to be mounted to something, at the right place on the structure, held firm and clear. The post insulator bracket is what does it: the metal mount that fixes the insulator’s base to the pole or structure, setting its position, its standoff from the structure, and its angle.

It’s a small component that decides where the conductor ends up. A bracket that mounts the insulator too close to the structure, at the wrong angle, or that flexes under load puts the conductor out of position, and conductor position is clearance, and clearance is safety. This page covers post insulator brackets: the mounting job, matching the bracket to both the insulator and the structure, and choosing for your pole type.

The Bracket Matches Two Things at Once

A post insulator bracket sits between the insulator and the structure, so it has to fit both:

  • The insulator base: The bracket’s mounting face and bolt pattern must match the base of your post insulator the bolt holes, the base dimensions, the fixing your insulator uses.
  • The structure: The bracket’s other side must mount to your pole or structure bolted to a pole face or crossarm, or banded to a concrete pole at the standoff and angle your design requires.

Get both matches right and the insulator sits exactly where the design put it. Get either wrong a bolt pattern that doesn’t fit the insulator base, or a mount that doesn’t suit the pole and the bracket doesn’t do its job. Send us the insulator (or its base detail) and the structure it mounts to, and we supply the bracket that fits both.

Why Buyers Choose DAPENG Post Insulator Brackets

  • Matched to your insulator base and your structure: Bolt pattern to the insulator, mounting to the pole or structure, standoff and angle to the design the two-sided fit that puts the conductor in position.
  • Bolt or band mounting: Bolted to steel and timber structures; banded to concrete poles where drilling is prohibited so the bracket suits any structure.
  • Hot-dip galvanized, strong under load: Galvanized to ISO 1461 / ASTM A153 class coatings, and made stiff enough that it holds the insulator’s position under conductor load without flexing.
  • The position patterns your line needs: Pole-face, offset/standoff, and angle/dead-end mounting patterns to suit the structure position.
  • Supplied with the insulator and mounting hardware: Brackets with the post insulators, bolts, and banding they need matched and kitted.

Use-Case Deep Dive

Where is a post insulator bracket used?

Wherever a post insulator mounts to a structure rather than sitting on a crossarm pin fixing the insulator to the pole face, to a crossarm, or standing it off the structure at the position and angle the line needs. On distribution and sub-transmission structures, post insulators on brackets are common at line positions where a rigid, well-located support is wanted. Tell us the structure and the position, and we supply the bracket to mount the insulator there.

How do I choose the bracket for my structure and insulator?

Two matches, as above. Insulator side: the bracket’s bolt pattern and mounting face must fit your post insulator’s base send the insulator or its base detail. Structure side: the mounting (bolt or band) and the standoff/angle must suit your pole or crossarm and the position the conductor needs send the structure and the position. We supply the bracket that fits both. For concrete poles, specify banding, since drilling is usually prohibited; for steel and timber, bolting is standard.

Can the bracket mount to a concrete pole?

Yes, by banding most utility standards prohibit drilling concrete poles, so the bracket mounts with stainless banding straps and buckles around the pole, gripping any diameter without a hole. On steel and timber structures, bolting is standard. Tell us the pole type and we supply the bracket with the right mounting banded for concrete, bolted elsewhere.

Specifications and What They Mean for You

Specification What we supply What it means for the buyer
Insulator fit Bolt pattern to your insulator base The insulator mounts firm and true
Structure mount Bolt and/or band Suits pole, crossarm, or concrete pole
Position Pole-face, standoff, angle patterns Puts the conductor where the design needs it
Material & coating HDG to ISO 1461 / ASTM A153 class Outdoor service life, matched to the hardware
Load Stiff enough to hold position under load The conductor stays where it was placed
Pairing With post insulators, bolts, banding The mounting assembles complete

Straight Answers to Common Buyer Concerns

“How do I make sure the bracket fits my post insulator?” By matching the bolt pattern to the insulator’s base send us the post insulator (or its base detail) and we supply the bracket to fit it. If you buy the insulators from us too, the fit is guaranteed. The bracket-to-insulator match is one of two that must be right; the other is the bracket-to-structure mount, which we confirm from your pole type.

“Can you mount to concrete poles without drilling?” Yes banded brackets fix to concrete poles of any diameter with no hole, which most standards require. Tell us the pole type and we supply the bracket with banding for concrete, or bolting for steel and timber.

“Can you match a legacy bracket or a utility standard?” Send the standard, the dimensions, or a sample. Manufacturing post insulator brackets to a utility’s specification (insulator fit, mounting, standoff, grade) is routine export work, with confirmation before production.

Complete the Structure

Get a Structure-Matched Quote Within 24 Hours

Send the post insulator (or its base detail), the structure it mounts to (pole type, position), and your quantities or the standard you build to. Our team confirms the insulator fit and the structure mount, and returns a factory-direct quotation with the insulators and mounting hardware alongside, typically within one working day.

Request a Free Quote →

After You Order

Fit and mounting confirmation before production, galvanizing certificates with shipment, brackets kitted with their insulators and mounting hardware, and an engineering contact who answers quickly because the bracket sets the conductor’s position, and getting the insulator mounted where the design put it is what keeps the clearances right.

Specifications

Parameter

Specification

Product Name

Post Insulator Bracket

Application

Mounting and securing post-type insulators on utility poles

Suitable Voltage Range

15 kV to 34.5 kV

Mounting Surface

Wood, Concrete, Steel, Composite Poles

Construction Type

Armless construction / Phase-over phase mounting

Main Material

Ductile Iron / Hot Rolled Steel

Surface Finish

Hot Dip Galvanized

Overall Length

8.0 inches

Plate Height

4.0 inches

Mounting Hole Diameter

Ø11/16″ (2 holes), Ø13/16″

Bending Angle

70°

Vertical Offset (Type 1)

2.0 inches

Vertical Offset (Type 2)

4.25 inches

Bracket Shape

Pole-shaped back for easy installation

Function

Mounts and supports distribution post insulators on poles

Video

Drawing

Post Insulator Bracket Drawing

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