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Overview
- 15/25 kV voltage rating for medium-voltage applications
- 600 Amp current rating for standard load break compatibility
- DeadBreak design for fully shielded, submersible connections
- Includes copper stud for secure switchgear/transformer mounting
- Basic Insulating Plug (BIP) maintains insulation integrity
Specifications
Application | 15/25 kV, 600 Amps |
Connection Type | Deadbreak |
Current Rating | 600 A |
Material | Elastomer |
Series | Series Elbow |
Temperature Rating, Maximum | 149 F |
Temperature Rating, Maximum | 65 C |
Temperature Rating, Minimum | -40 F |
Temperature Rating, Minimum | -40 C |
Type | Elbow with Test Point |
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 |
J6-622226-25
6 Point Junction, with one 600 Amp Bushing Interfaces, four 200 Amp Bushing Well Interface and one 600 Amp Bushing Interface, 25kV, No Tilt Mounting.
K655BCCPN
15/25kV, 600 Amp, No Test Point, ComboT Connecting Plug with Stud, (Aluminum), Cable Insulation Diameter 1.515 inch to 1.780 inch.
K650SOP-SP
15/25kV 600 Series Deadbreak Insulated Parking Bushing, Factory assembled Stud, which is not field removable.
K650BIP-20 PACK
15/25kV 600 Series Deadbreak Insulated Plug (with Cap). Material Epoxy, Length 4.5 inch, Widest Diameter 3 inch. - Pack of 20
Frequently Asked Questions
How do I order the 15/25kV 600A elbow housing?
To order the 15/25kV 600A elbow housing with test point, specify the ordering number K656BLR.
What materials are used in the K656BLR's construction?
The K656BLR features 100% peroxide-cured construction, including insulation and conductive EPDM materials.
What is the impulse withstand rating for the 28kV class?
For the 28kV voltage class, the impulse withstand (BIL) is 140kV (1.2 x 50 microsecond wave).
What type of housing does the K656BLR have?
The K656BLR features a fully shielded, fully submersible molded rubber housing.
What is the impulse withstand rating for the 15kV class?
For the 15kV voltage class, the impulse withstand (BIL) is 95kV (1.2 x 50 microsecond wave).
Does the K656BLR include a test point?
Yes, the K656BLR includes a noncorrosive capacitive test point.
What items are included in the K656BLR kit?
Each K656BLR kit contains one elbow connector housing, one tube of lubricant 82-08, one stud 650SA, and one installation instruction IS-0249.
Which industry standard does the K656BLR meet?
The K656BLR meets ANSI/IEEE Standard 386, Latest Revision.
What is the continuous current rating for the 28kV class?
The continuous current rating for the 28kV voltage class is 600 Amps.
What is the maximum operating voltage for the 28kV class?
For the 28kV voltage class, the maximum operating voltage is 16.2kV phase-to-ground and 28kV phase-to-phase.
How to Install 655/675LR and K655/K675LR Deadbreak Elbow Connectors
This guide provides step-by-step instructions for the safe and proper installation of 600-ampere or 900-ampere deadbreak elbow connectors on 15kV and 25kV class systems. Ensure all apparatus are de-energized before starting.
Estimated time: 1h 30m
Tools needed:
Cutting tool, Wire strippers, Wire brush, Crimping tool, Torque wrench, Hotstick, Suitable sensing device
Supplies needed:
Elbow connector (655/675LR or K655/K675LR), Cable adapter, Compression lug, Insulating plug (if applicable), Lubricant, Threaded stud, Tape marker, Grounding device or alternate grounding wire, Wire (at least No. 14 AWG Copper), Suitable connector (for grounding wire), HV insulated cap(s) or connector(s) (if replacing shipping covers), Waterproofing material
- Prepare Cable Position and Cut
Assemble the cable in its final position with enough slack to allow for elbow removal. If using concentric neutral cable, unwind the concentric neutral wires. Cut the cable 1-3/4 inches (45mm) from the centerline of the mating product. DANGER: Ensure all apparatus are de-energized during installation.
- Clean Cable Outer Surface
Clean the outer surface of the cable for a distance of 24 inches (610mm) or up to the bent back concentric neutral wires.
- Prepare Cable End
Remove the outer jacket (if applicable) and prepare the cable according to its type (e.g., non-jacketed, jacketed, flat metallic tape shield, fabric tape shield, or longitudinally corrugated shield). Refer to specific instructions for 20MA/21MA grounding devices, 600ECS Jacket Cable Seals, or 10TL cable shield adapters if used.
- 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, working towards the semi-con shield. Install the cable adapter, small end first, until it is flush with the edge of the tape marker.
- Prepare Conductor Length
Remove the protruding cable insulation by cutting it even with the end of the cable adapter. Do not cut or nick the cable adapter or the conductor. Verify the exposed conductor length is between 4-1/4 inches and 4-9/16 inches (108mm-116mm). If not, redo the assembly.
- Crimp Compression Lug
For copper conductors, fully insert the conductor into the compression lug. For aluminum conductors, wire brush the conductor and immediately fully insert it into the compression lug. Measure the 'Check Dimension' before crimping; it must be less than 6-3/8 inches. Crimp the compression lug following its supplied instructions. Wipe off any excess inhibitor. Verify the distance from the end of the compression lug to the cable adapter after crimping is between 6-3/8 inches to 7-1/8 inches (162mm-181mm). If not, redo the assembly.
- Install Elbow onto Cable Adapter
Lubricate the cable adapter and the inside of the elbow cable entrance. Install the elbow onto the cable adapter until it cannot advance further. Ensure the cable adapter remains flush with the tape marker; reposition if necessary. Remove the tape marker.
- Prepare Mating Products
DANGER: DO NOT CONNECT OR DISCONNECT MATING PRODUCTS WHILE ENERGIZED. DO NOT ENERGIZE WHILE DISCONNECTED. Remove protective caps from the elbow and the mating part. Hand tighten the threaded stud (supplied with the elbow) into the mating part if it's not already equipped with one. Clean and lubricate both the elbow and the mating part with the supplied lubricant, keeping surfaces clean.
- Connect Elbow to First Mating Part
Push the elbow onto the mating part, aligning the hole in the compression lug with the stud on the mating part.
- Connect Opposite End Mating Part
Clean and lubricate the mating part for the opposite end of the elbow. Insert this mating part into the elbow. Engage the threads and hand tighten. Torque the mating part according to its supplied 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 and place it on the elbow. Push down firmly until the cap snaps into place. Proceed to voltage test directions.
- Ground Cable Shield and Waterproof Jacket
Insert one end of a wire (at least No. 14 AWG Copper ampacity) through the grounding eye and twist to form a small loop, taking care not to damage the eye. Connect this wire to ground using a suitable connector. Ground the cable shield according to the instructions supplied with the grounding device, or by an alternate method if no device is used. Waterproof the cable jacket at this point to prevent moisture ingress.
- Torque 600amp L-Kit Components
CAUTION: When constructing 600amp L-Kits, ensure each component is tightened to the specified torque per the instructions provided with the kit.
- Remove Voltage Test Point Cap
Remove the test point cap using a hotstick. Peel off the cap at an angle rather than pulling directly in line with the test point assembly.
- Perform Voltage Test
WARNING: The voltage test point is a capacitance device and is not directly connected to the conductor. Do not use conventional voltage measuring equipment. Follow the manufacturer’s directions for the specific meter used. Test with a suitable sensing device designed for capacitive test points to determine if the cable is energized. Treat the elbow as energized until a 'no voltage' indication is confirmed by other means to prevent serious or fatal injury.
- Replace Voltage Test Point Cap
After voltage detection has been made, clean and lubricate the inside surface of the cap with silicone lubricant and replace it securely on the test point.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
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