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ABB - Installation Products 3701A3-H - 200 Amp, 35kV Loadbreak Bushing Insert, Includes internal torquing feature using 200AT Assembly Tool. Includes a black vent ring.

ABB Installation Products 3701A3-H 200 Amp, 35kV Loadbreak Bushing Insert, Includes internal torquing feature using 200AT…

UPC: 783786470365


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Installation InstructionsSpecification SheetManufacturer Product Website

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

Manufactured by ABB - Installation Products, this bushing insert is rated for 35kV class applications and supports both single-phase and three-phase systems, meeting ANSI/IEEE Standard 386 requirements. Key specifications include a maximum phase-to-ground operating voltage of 21.1kV, phase-to-phase voltage of 36.6kV, and a basic impulse level (BIL) of 150kV. The insert handles continuous and loadbreak currents up to 200 Amps, with a momentary and fault close rating of 10kA symmetrical for 10 cycles. It also meets a 50kV AC one-minute withstand test, 103kV DC 15-minute withstand, and 26kV AC corona extinction at 3pC sensitivity. The 3701A3-H features an internal torquing mechanism, requiring the 200AT Assembly Tool for precise installation. This ensures proper contact pressure, reducing resistance and preventing premature failure. The included black vent ring aids in managing internal pressure and dissipating heat, enhancing the longevity and safety of the connection. The bushing insert is compatible with shielded cable and is suitable for use in sub-surface transformers, generators, pad-mounted transformers, regulators, switchgear, and reclosers. Each kit includes the bushing insert, a protective shipping cap (2701-41), lubricant (82-08), and installation instructions (IS-0358). The peroxide-cured insulation and jacket provide durability, while the provision for ground wire connection ensures proper grounding. This product is designed for medium-voltage applications where loadbreak capabilities are essential for safe and efficient operation.
  • 200 Amp continuous and loadbreak rated for 35kV class applications
  • Meets ANSI/IEEE Standard 386 with 150kV BIL and 50kV AC withstand
  • Internal torquing feature requires 200AT Assembly Tool for precise installation
  • Includes black vent ring for pressure and heat management
  • Compatible with ANSI bushing wells for sub-surface transformers, switchgear, and reclosers

Specifications

Application
35 kV, 200 Amps
Color
Black
Connection Type
Loadbreak Bushing Insert
Current Rating
200 A
Temperature Rating, Maximum
149 F
Temperature Rating, Maximum
65 C
Temperature Rating, Minimum
-40 F
Temperature Rating, Minimum
-40 C
Type
Bushing Insert
Voltage Rating
35 kV
Package Dimensions (L x W x H)
0.01 IN x 0.01 IN x 0.01 IN
Package Dimensions (L x W x H)
0.0254 cm x 0.0254 cm x 0.0254 cm
Package Weight (Imperial)
3.5000 L
Package Weight (Metric)
1.5880 kg
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Frequently Asked Questions

What items are included in the 3701A3 kit?

Each kit contains the 3701A3 bushing insert, a protective shipping cap (2701-41), lubricant (82-08), and installation instructions (IS-0358).

What is the 3701A3 bushing insert?

The 3701A3 is a 35kV class, 200 Amp load break bushing insert. It serves as an apparatus bushing interface for elbow connections.

What is the primary application of the 3701A3?

It is used as the bushing interface for connecting shielded cable to sub-surface transformers, generators, pad mounted transformers, regulators, switchgear, and reclosers.

What type of bushing well does the 3701A3 fit?

The 3701A3 bushing insert fits a standard ANSI bushing well interface. It is easily installed in an Elastimold® universal bushing well.

What standards does the 3701A3 meet?

The 3701A3 bushing insert meets ANSI/IEEE Standard 386, Latest Revision.

What is the maximum operating voltage for the 3701A3?

The maximum phase-to-ground operating voltage is 21.1kV, and the maximum phase-to-phase voltage is 36.6kV.

What is the impulse withstand (BIL) rating?

The impulse withstand (BIL) rating for the 3701A3 is 150kV (1.2 x 50 microsecond wave).

Is the 3701A3 rated for single or three-phase switching?

Yes, the 3701A3 is rated for both 1 Ø and 3 Ø switching applications.

What type of insulation does the 3701A3 use?

The 3701A3 features peroxide-cured insulation and jacket.

Does the 3701A3 have a ground wire connection?

Yes, the 3701A3 bushing insert includes a provision for ground wire connection.

How to Install the 3701A3-H Loadbreak Bushing Insert

Instructions for installing the 3701A3-H Loadbreak Bushing Insert into apparatus for 35KV class loadbreak connectors.

Estimated time: 30m

Tools needed:

Screwdriver, Wire strippers, Pliers

Supplies needed:

Lubricant (supplied), Copper wire (No. 14 AWG or equivalent), Suitable connector for system ground, Insulated cap or grounding elbow connector (if not immediately mating)

  1. Prepare the apparatus and bushing insert

    Ensure the apparatus bushing well is dry and free from contaminants. Remove the protective shipping cap from the bushing insert. Lubricate the bushing well interface area of the bushing insert with the supplied lubricant. Do not substitute lubricants.

  2. Install the bushing insert

    Place the lubricated bushing insert into the apparatus bushing well. Hand tighten the bushing insert clockwise until it bottoms.

  3. Connect the electrostatic grounding wire

    Thread a length of No. 14 AWG (2.5mm²) copper wire through one of the grounding tabs on the bushing insert. Create a small loop and twist it tight, being careful not to damage the tab. Connect the free end of this wire to the system ground using a suitable connector. Ensure the grounding wire does not contact the bushing interface or interfere with nearby components.

  4. Complete the installation and mating

    Thoroughly clean and lubricate the bushing insert interface. Install mating products (e.g., elbow connector) according to their specific instructions. If not immediately mating, replace the shipping cover. Do not energize or submerge the apparatus with the shipping cover in place, as it is not insulated or watertight.

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