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Overview
- 15/25kV voltage rating with 600 Amp continuous current capacity
- Molded epoxy body with stainless steel flange for corrosion resistance and structural integrity
- Factory-installed 5/8-11 UNC-2A stud (second stud sold separately)
- Includes boot and collar for environmental sealing and mechanical protection
- Meets ANSI/IEEE Standard 386 dimensional criteria for proper mating with Elastimold 600A/900A interfaces
Specifications
Application | In-Air Applications |
Connection Type | 5/8-11 UNC-2A Stud |
Current Rating | 600 A |
Material | Molded Epoxy Body and Stainless Steel Flange |
Material | Molded Epoxy with Stainless Steel Flange |
Mounting Type | Pad-Mounted, Vault-Type, Submersible Transformers, Switchgear |
Series | K650TBC-SP |
Size | Overall Length 13.75 inch, Diameter 4.50 inch |
Size | 13.75 inch (Length) x 4.50 inch (Diameter) |
Special Features | Conductive Shield made of Molded Conductive EPDM makes Positive Ground Contact with EPDM Flange of Bushing Insert. Stainless Steel Flange Resists Corrosion and can be Externally Clamped or Welded to Apparatus. Stud Permanent |
Standard | ANSI/IEEE Standard 386 |
Temperature Rating, Maximum | 149 F |
Temperature Rating, Maximum | 65 C |
Temperature Rating, Minimum | -40 F |
Temperature Rating, Minimum | -40 C |
Type | Deadbreak Bushing - 600 Amps |
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) | 1.0000 L |
Package Weight (Metric) | 0.4540 kg |
10EP-FA
200 Amp, 15/25kV, Deadbreak Elbow Cable Entrance Insulating Plug, Cable Insulation Diameter 0.575 inch to 0.685 inch. 9.25 inches Long. Plastic.
775J4-U
900 Amp, 35kV, Deadbreak, 4-Point Junction, Rubber Junction with Stainless Steel Mounting Plate, Back Plane and Adjustable Mounting Bracket.
K150DR-CS2075
15/25kV 200 Amp, Deadbreak Insulated Cap. Bails are required, and Stainless Steel Junction Bail is Included. Does include a Nylon Vending Rod. CS2075 - for any customer.
J4-6666-35-SV
4 Point Junction, with four 600 Amp Bushing Interfaces, 35kV, 6-1/2 inch centers. No Tilt Mounting.
K650SL-CS1887
15/25/35kV 600 Series Spiking Aid Appendage - Contact has an Aluminum Tip for Use with Piercing Tool.
2702A1-CS2037
25kV, 200 Amp, Loadbreak, Feed-Thru-Insert, Fully Rotable for 360 Degree Positioning, includes Bail Assembly to secure Feed-Thru Insert to Bushing Well. Any Customer Modification CS2037 - (4) in bag with No Instruction Sheets, Lube or Bail Plate Prepack.Frequently Asked Questions
What material is required for K675TBC connections?
For the K675TBC (900A) bushing, any associated product, including the cable's conductor, must be copper.
What is the continuous current rating for K650TBC and K675TBC?
The K650TBC (AL) bushing is rated for 600A continuous, while the K675TBC (CU) bushing is rated for 900A continuous.
What is the impulse withstand (BIL) rating?
The impulse withstand (BIL) rating is 125kV (1.2 x 50 microsecond wave).
What is the voltage class of these deadbreak bushings?
The K650TBC/K675TBC deadbreak bushings are rated for a 25kV voltage class.
What standards do the K650TBC/K675TBC bushings meet?
These bushings meet ANSI/IEEE Standard 386, Latest Revision, and their interface meets ANSI/IEEE 386 dimensional criteria.
What materials are K650TBC/K675TBC bushings made from?
The bushings are molded of epoxy and feature a stainless steel flange for welding or external clamping to the apparatus.
What is the standard shank length for these bushings?
The bushings are available with a short shank length of 8.563 inches for cover or side-mount installations.
What are typical applications for K650TBC/K675TBC bushings?
Typical applications include pad-mounted, vault-type, and submersible transformers, as well as switchgear.
What interfaces are compatible with K650TBC/K675TBC bushings?
These bushings universally accept Elastimold 600A/900A Elbow or bushing extender interfaces.
What material is required for K675TBC connections?
For the K675TBC (900A) bushing, any associated product, including the cable's conductor, must be copper.
How to Weld ELASTIMOLD Apparatus Bushings and Bushing Wells
This guide provides suggested recommendations and procedures for welding ELASTIMOLD apparatus bushings and bushing wells, emphasizing heat management and proper setup.
Estimated time: 1h 30m
Tools needed:
TIG Welding Equipment, MIG Welding Equipment, Thermocouple Detectors
Supplies needed:
No. 308 bare stainless steel wire, Copper Heat Sinks, Thermally Conductive Paste, HV insulated cap(s) or connector(s)
- Prepare Apparatus and Work Area
Ensure all apparatus is de-energized before starting any work. Inspect all parts for damage, proper rating, and compatibility with mating components. Verify package contents are complete and undamaged. Thoroughly clean all surfaces, including the tank, bushing, and bushing well, removing any contamination like paint or grease, as this can extend welding time and negatively affect the bushing's integrity. If the product includes protective shipping covers, remove them and replace with appropriate HV insulated caps or connectors before energizing the circuit.
- Configure Heat Sinks
Utilize copper heat sinks to effectively minimize heat flow to the epoxy during welding. Apply thermally conductive paste to the contact faces of the heat sinks that will touch the flange and cover. Ensure adequate venting is provided for the heat sinks. Position the bottom heat sink with a larger diameter than the top to maximize heat absorption away from the tank. Do not thread heat sinks to the bushing or bushing well stud, as expansion due to heat may compromise the integrity of these parts. If using non-water cooled heat sinks, remove them promptly after welding and air cool the bushing to prevent heat from flowing back into the component.
- Execute Welding Process and Monitor Temperature
Perform welding using either Inert-gas, tungsten-arc (TIG) or Short-arc (MIG) processes, utilizing No. 308 bare stainless steel wire. Maintain heat to a minimum; the visible heat line should not exceed 1/8 inch from the weld or 3/16 inch from the outer diameter of the flange. Minimize air currents in the welding area to prevent disturbance of the gas atmosphere. Monitor temperatures at critical points using thermocouple detectors, ensuring they do not exceed 225°F. Handle the heated stud and flange carefully both before and after welding to minimize any applied forces. Avoid applying torque to the epoxy when making any bus bar connections.
Frequently Asked Questions about ABB - Installation Products
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What are the main product lines offered by Ocal?
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.