ABB - Installation Products 3701A4 - 35kV 200 Amp, Loadbreak Bushing Insert, rated for single phase applications only. Includes a black vent ring.
ABB - Installation Products

3701A4

UPC: 783786630516


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Overview

The ABB 3701A4 is a 35kV, 200 Amp loadbreak bushing insert designed exclusively for single-phase applications. Manufactured by ABB Installation Products under the Elastimold® brand, this component serves as a critical interface between shielded cable and medium-voltage apparatus, including sub-surface transformers, generators, pad-mounted transformers, regulators, switchgear, and reclosers. The 3701A4 meets ANSI/IEEE Standard 386 (latest revision) and is rated for a maximum phase-to-ground operating voltage of 21.1kV, with a 150kV BIL impulse withstand rating (1.2 x 50 microsecond wave). It supports continuous and loadbreak currents up to 200 Amps, with a 10kA symmetrical momentary and fault close rating for 10 cycles. The insert features peroxide-cured insulation and jacket for enhanced durability, along with a provision for ground wire connection. Each kit includes the bushing insert, protective shipping cap (2701-41), lubricant (82-08), and installation instructions (IS-0287). The included black vent ring ensures proper thermal management during operation. This bushing insert is engineered for ANSI standard bushing well interfaces and is compatible with Elastimold® universal bushing wells, providing a reliable solution for medium-voltage distribution systems requiring loadbreak capabilities.
  • 35kV voltage class, 200 Amp continuous and loadbreak rating
  • Meets ANSI/IEEE Standard 386 (latest revision)
  • 150kV BIL impulse withstand rating (1.2 x 50 microsecond wave)
  • Includes black vent ring for thermal management
  • Peroxide-cured insulation and jacket for durability
  • Provision for ground wire connection
  • Compatible with ANSI standard bushing well interfaces
  • Kit includes protective shipping cap, lubricant, and installation instructions

Specifications

Application
Designed for use as an apparatus bushing interface
Color
Black
Connection Type
Loadbreak Bushing
Current Rating
200A
Current Rating
200 A
Material
Composite
Material
EPDM-Rubber
Poles
1
Size
8.93 inch (226.8 mm) long, 2.81 inch (71.3 mm) Diameter
Special Features
35kV, 200 Amp Loadbreak Rated. Rated for Single Phase switching. Black vent ring. Includes hex-broach for torque installation. Peroxide-cured insulation and jacket. Provision for ground wire connection
Standard
ANSI/IEEE 386
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
Voltage Rating
35kV
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)
1.5000 L
Package Weight (Metric)
0.6800 kg
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Frequently Asked Questions

Can the elbows be ordered with a capacitive test point?

Yes, the Elastimold 200 amp loadbreak elbows are available with or without a capacitive test point.

Is the product compatible with existing systems?

Yes, Elastimold 200 amp loadbreak bushing inserts and elbows are designed for maximum flexibility in cable and equipment connection applications, even on existing systems.

What are the voltage class indications for the PBT shield?

The color-coded PBT interface shield indicates voltage class: red for 15 kV, blue for 25 kV, and black for 35 kV.

What material is used for the housing of the elbows?

The elbows feature a 100% peroxide-cured EPDM housing, which provides lasting durability.

Are the bushing inserts suitable for submerged conditions?

Yes, Elastimold 200 amp bushing inserts are designed to ensure exceptional performance even when fully submerged.

What is the purpose of the patented vented ring design?

The patented vented ring design, for 25 kV and 35 kV classes, prevents partial vacuum flashover and can be universally applied to IEEE 386 compliant interfaces.

What are the voltage ratings for the loadbreak elbow?

The Elastimold 200 amp loadbreak elbow is available for 15 kV and 25 kV system voltages.

What material is used for the housing of the elbows?

The elbows feature a 100% peroxide-cured EPDM housing, which provides lasting durability.

What are the voltage class indications for the PBT shield?

The color-coded PBT interface shield indicates voltage class: red for 15 kV, blue for 25 kV, and black for 35 kV.

Can the elbows be ordered with a capacitive test point?

Yes, the Elastimold 200 amp loadbreak elbows are available with or without a capacitive test point.

How to Install the 3701A4 Loadbreak Bushing Insert

This guide provides instructions for the safe and proper installation of the 3701A4 Loadbreak Bushing Insert, designed for 35kV class loadbreak connections in apparatus bushing wells. All apparatus must be de-energized during installation.

Estimated time: 30m

Supplies needed:

3701A4 Loadbreak Bushing Insert, Lubricant, Copper wire (No. 14 AWG or equivalent), Suitable connector for grounding wire

  1. Prepare the Bushing Well and Insert

    Inspect the apparatus bushing well to ensure it is dry and free from all contaminants. Remove the protective shipping cover from the bushing insert. Lubricate the bushing well interface area of the bushing insert with the supplied lubricant or ELASTIMOLD approved lubricants. DO NOT SUBSTITUTE other lubricants as they may be harmful.

  2. Install the Bushing Insert

    Place the lubricated portion of the bushing insert into the apparatus bushing well. Hand tighten the bushing insert in a clockwise direction until it bottoms.

  3. Connect the Electrostatic Grounding Wire

    Push a length of copper wire (No. 14 AWG (2,5mm2) or equivalent) through one of the grounding tabs on the bushing insert. Make a small loop and twist it tight, taking care not to damage the grounding tab. Connect the free end of the electrostatic grounding wire to the system ground using a suitable connector. Ensure the grounding wire does not contact the bushing interface or adjacent interfaces or interfere with accessories.

  4. Prepare for Mating Products or Storage

    Thoroughly wipe the bushing interface clean of any contaminants and lubricate with the supplied lubricant. Install the mating products to the bushing insert following their specific instructions. If the bushing insert is not to be immediately mated, replace the shipping cover. Do not energize or submerge the apparatus with only the shipping cover on the bushing insert, as it is not insulated or watertight.

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