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Overview
- 15/25kV voltage rating
- 200 Amp current rating
- Loadbreak Bushing Well Plug
- Manufactured by ABB Installation Products
- Designed for medium-voltage applications
Specifications
Application | Fully shielded, fully submersible, insulating plug designed for de-energized operation. It is suitable for use on 15/25kV class bushing wells to Dead-End the transformer or switchgear for testing purposes |
Current Rating | 200 A |
Material | EPDM-Rubber |
Size | 5.55 inch (141.0 mm) Length, 2.78 inch (70.4 mm) width |
Special Features | 15/25kV, Rated. Molded EPDM Rubber. Provision for hotstick operation. Securely insulates and Dead-Ends bushing well |
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 Well Plug |
Voltage Rating | 15/25 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) | 0.9200 L |
Package Weight (Metric) | 0.4170 kg |

150-TB-2
15/25kV, T-Splice 6-3/4 inch Long Bail Assembly, Made of Stainless Steel, Used for Assisting Cable to Transformer Connections. Non-Current Carrying. The 150TB2 bailing assembly kit consists of a modified hold down bail for securing Elastimold® tee splice K150T to a K150DP Deadbreak insulating plug. This assembly provides positive hold down force between the tee splice and the insulating plug.
200TC-4
15-35kV 200 Amp, Loadbreak Direct Voltage Test Port Adapter for all Loadbreak or Deadbreak connectors with a direct access port to a maximum line-to-ground voltage of 21.1kV. It is designed for use with CHANCE Auto-Ranging Voltage Indicator, Catalog No. C403-3374 only. Includes Direct Voltage Test Port Adapter, Tube of Lubricant and Operating Instructions.
200TC-1
15-35kV 200 Amp, Loadbreak Direct Voltage Test Port Adapter for all Loadbreak or Deadbreak connectors with a direct access port to a maximum-line-to-ground voltage of 21.1kv. It is designed for use with the H/D Electric Company MARK I thru MARK IX Voltmeter/Phaser only. Includes Direct Voltage Test Port Adapter, Tube of Lubricant and Operating Instructions.
K1601WFT
15/25 kV, 200 Amp, Loadbreak, Feed-Thru Well Bracket, includes Silicone Lubricant and Instructions. EyeBolt, Bottom Shield Plate
200TC-2
15-35kV 200 Amp, Loadbreak Direct Voltage Test Port Adapter for all Loadbreak or Deadbreak connectors with a direct access port to a maximum line-to-ground voltage of 21.1kV. It is designed for use with the ROSS METER HI-Z VM25SE-A/VMP25B. Includes Direct Voltage Test Port Adapter, Tube of Lubricant and Operating Instructions.Frequently Asked Questions
What is the primary use of the 276BWP bushing well plug?
It is an insulating plug designed to "dead-end" transformers or switchgear for testing purposes. It is suitable for 15/25kV class bushing wells.
What material is the 276BWP bushing well plug made of?
The 276BWP bushing well plug is made from molded EPDM Rubber.
What is the BIL impulse withstand rating for the 25kV class?
For the 25kV voltage class, the BIL impulse withstand rating is 125kV.
Can the 276BWP be operated with a hotstick?
Yes, the 276BWP features a provision for hotstick operation.
What items are included in the 276BWP kit?
Each kit contains one 276BWP bushing well plug, one lubricant 82-08, and installation instructions IS-0286.
What is the maximum phase-to-ground operating voltage for 25kV class?
For the 25kV voltage class, the maximum phase-to-ground operating voltage is 15.2kV.
What is the maximum phase-to-phase operating voltage for 25kV class?
For the 25kV voltage class, the maximum phase-to-phase operating voltage is 26.3kV.
What is the BIL impulse withstand rating for the 15kV class?
For the 15kV voltage class, the BIL impulse withstand rating is 95kV.
What is the maximum phase-to-phase operating voltage for 15kV class?
For the 15kV voltage class, the maximum phase-to-phase operating voltage is 14.4kV.
What is the maximum phase-to-ground operating voltage for 15kV class?
For the 15kV voltage class, the maximum phase-to-ground operating voltage is 8.3kV.
How to Install the 276BWP/M276BWP Bushing Well Plug
This guide provides instructions for the safe installation of the 276BWP/M276BWP bushing well plug, designed for insulating and watersealing an ELASTIMOLD 200A bushing well interface. Ensure all associated apparatus are de-energized before beginning installation to prevent serious or fatal injury.
Estimated time: 15m
Tools needed:
Hot-stick
Supplies needed:
276BWP/M276BWP Bushing Well Plug, Silicone lubricant (provided), No. 14 Copper or equivalent electrostatic grounding wire, Suitable connector for grounding wire
- Connect Grounding Wire to Plug
Securely connect an electrostatic grounding wire (No. 14 Copper or equivalent) to the grounding eye of the bushing well plug.
- Lubricate Bushing Well Plug
Lubricate the external mating surface of the bushing well plug with the silicone lubricant provided. DO NOT SUBSTITUTE. Keep mating surfaces free of dirt and grime.
- Insert and Tighten Plug
Firmly attach a hot-stick to the bushing well plug hot-stick eye. Insert the plug into the bushing well and rotate clockwise until it is tight. The conductive flange should be within 1/16” of the bushing well metal flange.
- Connect Grounding Wire to System Ground
Connect the electrostatic grounding wire from the bushing well plug to the system ground, using a suitable connector.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
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Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.

