ABB Installation Products K655BVS 15/25kV 600 Series Deadbreak Vault Stretcher (Housing Only with Stud)
UPC: 783786639472
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 15/25kV voltage class with 600A continuous current rating
- Meets ANSI/IEEE Standard 386 for medium-voltage deadbreak applications
- Fully shielded, fully submersible molded rubber housing with EPDM construction
- Includes integrated stud for reliable electrical interface and secure connections
- Compatible with 600-ampere rated deadbreak connectors
Specifications
Application | The K655BVS vault stretcher housing is a component of the Vault Stretcher product line |
Connection Type | Deadbreak |
Current Rating | 600 A |
Material | EPDM-Rubber |
Series | 600 Series |
Size | 2.50 inch (63.5 mm) Diameter. 21.75 inch (552.50 mm) Length. Centerline to Edge 10.88 inch (276.2 mm) |
Special Features | Fully rated 15/25kV, 600 Amp Deadbreak Vault Stretcher. Fully shielded, fully submersible molded rubber housing. 100 percent peroxide-cured construction includes insulation and conductive EPDM materials. Can be easily connected or disconnected using standard hand tools and equipment in a de-energized state. Optional accessories allow visible external separation, by-pass, isolation, dead-ending, grounding, and testing as well as adding taps, surge arrestors, and fault current indicators |
Standard | ANSI/IEEE Standard 386 |
Type | Vault Stretcher Housing |
Voltage Rating | 15/25kV |
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) | 6.5500 L |
Package Weight (Metric) | 2.9710 kg |
K675TBC
15/25kV, 900 Amp, Deadbreak Bushing for In-Air Applications (Pad-Mounted or Vault-Type or Submersible Transformers or Switchgear). One Factory installed 5/8-11 UNC-2A Stud included, other Stud must be Purchased Separately. Overall Length 13.75 inch, Diameter 4.50 inch. Molded Epoxy with Stainless Steel Flange. Boot and Collar.
Frequently Asked Questions
What is the K655BVS product?
The K655BVS is a 15/25kV 600A Deadbreak Vault Stretcher Housing without a Test Point, part of the Vault Stretcher product line.
What items are included in the K655BVS kit?
Each kit contains one K655BVS vault stretcher housing, six tubes of lubricant 82-08, one stud 650VSA, and one installation instruction IS-0356.
How is the K655BVS connected or disconnected?
It can be easily connected or disconnected using standard hand tools and equipment, but only in a de-energized state.
What is the 15kV class corona extinction voltage?
For the 15kV voltage class, the corona extinction is 11kV AC at 3pC sensitivity.
What is the 28kV class corona extinction voltage?
For the 28kV voltage class, the corona extinction is 21.5kV AC at 3pC sensitivity.
What is the 15kV class BIL impulse withstand rating?
The 15kV voltage class has a 95kV BIL impulse withstand rating (1.2 x 50 microsecond wave).
What is the 28kV class BIL impulse withstand rating?
The 28kV voltage class has a 140kV BIL impulse withstand rating (1.2 x 50 microsecond wave).
What is the 28kV class maximum operating voltage?
For the 28kV voltage class, the maximum phase-to-ground operating voltage is 16.2kV and phase-to-phase is 28kV.
What is the 15kV class maximum operating voltage?
For the 15kV voltage class, the maximum phase-to-ground operating voltage is 8.3kV and phase-to-phase is 14.4kV.
What is the continuous current rating for K655BVS?
The K655BVS has a continuous current rating of 600 Amps for both 15kV and 28kV voltage classes.
How to Install the K655VS Deadbreak Vault Stretcher
This guide provides step-by-step instructions for the safe and proper installation of the Elastimold K655VS Deadbreak Vault Stretcher, including cable preparation, crimping, and connection to high-voltage apparatus.
Estimated time: 2h
Tools needed:
Crimping tool, Wire brush, 5/8 inch bolt and nut, Cable stripping tools, Measuring tape, Cleaning supplies
Supplies needed:
Vault Stretcher (K655VS/655VS), Cable Adapters (2), Compression Lugs (2), Insulating Plugs (2), Lubricant, Stud Prepack (includes special stud 650VSA), Concentric neutral wire (at least No. 14 AWG copper, if applicable), Suitable ground connectors, Mating parts (e.g., apparatus bushing, connecting plug)
- Safety First: De-energize Apparatus
DANGER: Ensure all apparatus in the work area are completely de-energized before beginning installation or removal of any parts. Do not touch or move energized products.
- Inspect Components and Gather Tools
Inspect the vault stretcher, cable adapters, compression lugs, and other supplied parts for any damage, correct rating, and compatibility with mating parts. Gather all required tools, including a crimping tool, wire brush (for aluminum), 5/8 inch bolt and nut, cable stripping tools, and measuring tape. Maintain cleanliness throughout the procedure.
- Prepare Concentric Neutral Cable (If Applicable)
For concentric neutral cable, overlap both cables and cut them to 14 inches (355mm) from the centerline of the joint. Carefully bend back the concentric neutral wires.
- Clean and Prepare Cable Ends
Clean the outer surface of the cable for a distance of 24 inches (610mm) or up to the bent-back neutrals. Remove the outer jacket (if applicable) and prepare the cable insulation, semi-con shield, and shield wires to the specified dimensions (e.g., 9-3/4 inches, 10-3/4 inches, 12-3/4 inches tape markers as per Step 3C in the full instructions).
- Bevel Cable Insulation and Install Cable Adapter
Bevel the end of the cable insulation at a 45-degree angle, approximately 1/4 inch (6mm) back. Thoroughly clean and then lubricate the cable insulation, always working toward the semi-con shield. Install the cable adapter, small end first, until it is flush with the edge of the tape marker.
- Verify Conductor Length
Remove any cable insulation protruding beyond the cable adapter, cutting it even with the adapter's end without nicking the adapter or conductor. The exposed conductor length must be between 4-3/8 inches and 4-11/16 inches (111mm-119mm). If not, redo the assembly.
- Insert Conductor into Compression Lug and Prepare for Crimping
For copper conductors, fully insert the conductor into the compression lug. For aluminum conductors, wire brush the conductor immediately before fully inserting it into the compression lug. Measure the “Check Dimension” (should be less than 6-1/2 inches). Align the flat portions of the compression connector using a 5/8-inch bolt as a temporary locater. Make the first crimp 3-1/2 inches from the open end of the compression fitting at the indicated mark.
- Complete Crimping and Inspect Lug
Rotate each successive crimp 180 degrees to prevent bowing. Carefully wipe any excess inhibitor from the outside of the connector and the cable insulation. Verify that the connector end measures between 6-1/2 inches and 7-1/4 inches (165mm-184mm). Remove any sharp flash from the crimp before proceeding.
- Install Vault Stretcher Body onto Cable Adapter
Lubricate the inside of the vault stretcher body and the outside of the cable adapter. Using a rotating motion, slip the vault stretcher body onto the cable adapter. Ensure the compression lug is aligned and seats properly with the inside mating portion of the vault stretcher, pushing it until it cannot advance further. Confirm the base of the adapter is aligned with the marking tape. Repeat for the second cable, pushing the vault stretcher and compression lug sideways until the lug enters the open end.
- Align and Seat Vault Stretcher
Slowly push both units toward their final alignment, ensuring the lubricated adapter slides into proper position within the vault stretcher. Check the location of the compression lug through the viewing hole. Once the compression lug is fully seated, verify that both cable adapters are still flush with their respective tape markers. Reposition if necessary, then remove the tape markers.
- Connect Mating Parts
Remove protective caps from the vault stretcher and the mating part. Hand tighten the special conversion stud (650VSA), supplied with the vault stretcher, into one mating part. Clean and lubricate both the vault stretcher and the mating part. Repeat the cleaning and lubricating process for the mating part on the opposite end. Insert the mating part, engage the threads, and hand tighten. Torque the mating part according to its specific instructions.
- Install Insulating Plug (If Applicable)
If an insulating plug is used as a mating part, clean and lubricate the inner surface of the voltage detection cap. Place the cap onto the elbow and push down firmly until it snaps securely into place.
- Ground Concentric Neutral Cable
Insert one end of a wire, with an ampacity at least equivalent to No. 14 AWG copper, through each grounding eye and twist to form a small loop. Exercise care to avoid damaging the grounding eyes. Connect these wires to a suitable ground using appropriate connectors.
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