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Overview
- 15/25kV voltage rating with 600 Amp continuous current capacity
- Integrated test point for safe voltage verification without service interruption
- Aluminum compression lug compatible with #2 compact or solid conductors
- Accommodates cable insulation diameters from 0.640 inch to 0.820 inch
- Factory-assembled with insulated plug, cap, stud, and cable adapter
Specifications
Amperage Rating | 600 A |
Application | 15/25kV, 600 Amp Deadbreak Elbow Connection |
Color | Black |
Conductor Range | #2 SOL/COMPT AWG |
Environmental Conditions | Fully Submersible |
Insulation | True |
Length | 13 in |
Length | 330.2 mm |
Material | Housing - EPDM-Rubber |
Special Features | 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. Non-Corrosive, Capacitive Test Point |
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 Elbow Connector with Test Point |
Voltage Rating | 25 kV |
Width | 10.36 in |
Width | 263.144 mm |
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) | 6.5400 L |
Package Weight (Metric) | 2.9670 kg |
K655YSR-F0210
600 Amp, 15-25kV, 600 Series Deadbreak Straight Receptacle. Cable Insulation Diameter 0.640 inch to 0.820 inch. Aluminum Compression Lug. Conductor Size AWG or kcmil, Compacted Solid #2.
K655LR-N0410-SG3
15-25kv 600 Amp Elbow With Sealing Kit. Cable Insulation Diameter 1.515 inch to 1.780 inch. Aluminum Compression Lug. Conductor Size kcmil Compressed/Stranded 1000.K656LR-G0270-S
15/25 KV, Elbow Connector with Test Point, 600 Amp, Dead Break, Cable Insulation Diameter 0.760 inch to 0.950 inch. Aluminum Compression Lug. Conductor Size AWG Compressed/Stranded 4/0 or Solid 250 or mm2 125. With Cold-Shrinkable Jacket Seal.K656LR-H0290-S
15/25kV 600 Amp Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter), Aluminum Compression Lug. Cable Insulation Diameter 0.850 inch to 1.050 inch. Conductor Size Compressed/Stranded 300 or Compact/Solid 350 or mm2 Compact 150. Cold-Shrinkable Jacket Seal Included.K656LR-M0410
15/25kv, 600 Amp, Deadbreak Elbow with Test Point. Cable Insulation Diameter 1.370-1.630 inch (34.798-41.402mm). Universal Aluminum Compression Lug. 410 Wire Size - 1000 kcmil Stranded/Compressed. No Sealing kit.K656LR-G-0270-SG3
15/25 KV, Elbow Connector with Test Point, 600 Amp, Dead Break, Cable Insulation Diameter 0.760 inch to 0.950 inch. Aluminum Compression Lug. Conductor Size AWG Compressed/Stranded 4/0 or Solid 250 or mm2 125. Cold Shrinkable Seal with Copper Braid and Constant Force Spring Included.K655LR-N0420
15-25kv Dead Break Elbow, No-sealing. Cable Insulation Diameter 1.515 inch to 1.780 inch. Aluminum Compression Lug. Conductor Size kcmil Compact/Solid 1250.Frequently Asked Questions
Does the K656LR meet any industry standards?
Yes, the K656LR meets ANSI/IEEE Standard 386, Latest Revision.
What is the continuous current rating for this elbow connector?
The K656LR elbow connector has a continuous current rating of 600 Amps.
Can the K656LR be used in submersible applications?
Yes, the K656LR is designed to provide fully shielded, dead-front submersible cable connections.
What is the maximum operating voltage for the K656LR elbow connector?
For the 15kV voltage class, the maximum operating voltage is 8.3kV phase-to-ground. For the 28kV voltage class, it is 16.2kV phase-to-ground.
What conductor sizes can the K656LR handle?
The K656LR can be used with conductor sizes ranging from #2 AWG to 1250 kcmil for both aluminum and copper conductors.
What insulation diameters are compatible with the K656LR?
The K656LR is compatible with insulation diameters ranging from 0.640 inches to 1.935 inches.
Are there any recommended accessories for safety?
Yes, a sealing & grounding kit is highly recommended for safety when installing the 600A dead break.
What is the impulse withstand rating for the 28kV voltage class?
For the 28kV voltage class, the impulse withstand rating is 140kV BIL (1.2 x 50 microsecond wave).
What is the corona extinction rating for the 15kV voltage class?
For the 15kV voltage class, the corona extinction rating is 11kV AC at 3pC sensitivity.
How is the K656LR connected or disconnected?
It can be easily connected or disconnected using standard hand tools and equipment in a de-energized state.
How to Install K655/K675LR Deadbreak Elbow Connectors
This guide provides step-by-step instructions for the safe installation and wiring of K655/K675LR deadbreak elbow connectors on high voltage apparatus, including cable preparation and final assembly. Ensure all apparatus are de-energized before beginning installation.
Estimated time: 1h 30m
Tools needed:
Wire strippers, Crimping tool, Wire brush (for aluminum conductors), Hotstick, Suitable sensing device (for capacitive test points), Torque wrench
Supplies needed:
K655/K675LR Elbow Connector kit (includes Elbow, Cable Adapter, Compression Lug, Insulating Plug, Lubricant, Stud Prepack), No. 14 AWG Copper wire (or equivalent ampacity), Suitable ground connector, Silicone lubricant, Waterproofing material (for cable jacket)
- Ensure Safety and Prepare for Installation
DANGER: All apparatus must be de-energized during installation or removal of parts. Do not touch or move energized products. Inspect all parts for damage, proper rating, and compatibility with mating parts. Read all instructions completely before starting and have all required tools at hand. Maintain cleanliness throughout the procedure.
- Assemble Cable and Clean Outer Surface
Assemble the cable in its final position, ensuring enough slack to remove elbows. For concentric neutral cable, unwind the neutral wires. Cut the cable 1-3/4 inches (45mm) from the centerline of the mating product. Clean the outer surface of the cable for a distance of 24 inches (610mm) or up to the bent back concentric neutral wires.
- Prepare the Cable End
Remove the outer jacket (if applicable) and prepare the cable according to the specific type (e.g., non-jacketed concentric neutral, jacketed shield wires, flat metallic tape shield, fabric tape shield, or longitudinally corrugated shield). Refer to the provided diagrams for precise dimensions for cable insulation, semi-con shield, and tape marker placement. If using a 20MA/21MA grounding device, 600ECS Jacket Cable Seal, or 10TL cable shield adapter, refer to their specific installation instructions for cable preparation.
- Install the 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.
- Expose the Conductor
Remove the protruding cable insulation by cutting it even with the end of the cable adapter. Be careful not to cut or nick the cable adapter or the conductor. The length of the exposed conductor should be between 4-1/4 inches and 4-9/16 inches (108mm-116mm). If the length is outside this range, redo the assembly.
- Install and Crimp the 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 should be less than 6-3/8 inches. Crimp the compression lug following the instructions supplied with the lug. Wipe all excess inhibitor from the lug and cable adapter surface after crimping. The distance from the end of the compression lug to the cable adapter after crimping should be between 6-3/8 inches to 7-1/8 inches (162mm-181mm). If dimensions are incorrect, redo the assembly.
- Install the Elbow Connector
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. If not, reposition the cable adapter. 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 both the elbow and the mating part. Hand tighten the threaded stud supplied with the elbow into the mating part, if the mating part is not already equipped with a stud. Clean and lubricate both the elbow and the mating part with the supplied lubricant, ensuring surfaces remain clean.
- Connect Elbow to First Mating Part
Push the elbow onto the mating part, carefully lining up the hole in the compression lug with the stud on the mating part.
- Connect Elbow to Second Mating Part or Insulating Plug
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 the instructions supplied with that specific mating part. 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, pushing down hard until the cap snaps into place.
- Ground the Cable Shield
Insert one end of a piece of wire with ampacity at least equivalent to No. 14 AWG Copper through the grounding eye and twist to make a small loop, taking care not to damage the eye. Connect this wire to ground using a suitable connector. The shield of the cable must be grounded; follow instructions supplied with any grounding device or use an alternate method. It is also recommended to waterproof the cable jacket at this point to prevent moisture ingress.
- Perform Final Torque Check
CAUTION: When constructing 600-amp L-Kits, ensure each component is tightened to the specified torque per the instructions provided with the individual components.
- Perform Voltage Test (Optional but Recommended)
The ELASTIMOLD deadbreak elbow connector has an integral capacitance test point. To use it, remove the test point cap with a hotstick, peeling it off at an angle. WARNING: This is a capacitance device, not directly connected to the conductor. Do not use conventional voltage measuring equipment. Use a suitable sensing device designed for capacitive test points to determine if the cable is energized. Contamination or incorrect equipment can give false readings; treat the elbow as energized until confirmed otherwise by other means. After testing, clean and lubricate the inside surface of the cap with silicone lubricant and replace it on the test point.
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