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Industrial Loadbreak Bushing Insert

200 A
15 kV Class

5810 Series

Installation Instructions

1.0 General

The 3M

Industrial Loadbreak Bushing Insert threads into

a universal bushing well to provide the same function as
an integral loadbreak bushing. Using bushing inserts
makes field installation and replacement possible and
efficient. Bushing Inserts and elbow connectors comprise
the essential components of all loadbreak connections.

The bushing insert meets all the requirements of
ANSI/IEEE Standard 386 and is completely interchange-
able with mating products that also meet ANSI/IEEE
Standard 386. When mated with a comparably rated
component, the bushing insert provides a fully shielded
and submersible connection for loadbreak operation.

2.0 Installation

2.1 Clean and Lubricate

• Remove red shipping cap. Do not energize bushing

with shipping cap installed.

• Clean bushing well and apply a thin uniform coating of

silicone lubricant. (See Figure 1.)

• Clean mating interface of bushing insert and apply a thin,

uniform coating of silicone lubricant. (See Figure 2.)

2.2 Installation 

• Place threaded end of bushing insert into bushing well.
• If installing using a torque tool, the torque setting should

be set for 15 ft-lbs. (See Figure 3.)

• If installing without a torque tool, turn the insert

clockwise until it bottoms on the bushing well stud
(approximately 7–7

1

2

turns).

CAUTION:

The 200 A bushing insert should be installed,

operated and serviced only by personnel familiar with good

safety practice in handling high-voltage electrical equipment. Be
sure that the bushing insert is rated for the intended application
before it is installed.

Selection Chart

Product No.

Bushing Voltage Rating

5810-BI-15

15 kV

Figure 1.
Clean and lubricate interfaces of bushing well.

Figure 2.
Clean and lubricate interface of bushing insert 

These instructions do not claim to cover all details or variations in the equipment, procedure, or process described, nor to provide directions for meeting every
contingency during installation, operation, or maintenance. When additional information is desired to satisfy a problem not covered sufficiently for the user’s
purpose, please contact your 3M sales representative.

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