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Overview
- 15/25kV rated voltage for medium-voltage applications
- 600 Amp current rating for high-power distribution
- Deadbreak design enables hot-stick operation under load
- Integrated test point for voltage verification and fault detection
- Aluminum compression lug for conductor sizes 500-600 kcmil or 250/300 mm² compact
Specifications
Amperage Rating | 600 A |
Application | 15/25kV, 600 Amp Deadbreak Elbow Connection |
Color | Black |
Conductor Range | 500 kcmil , 600 kcmil |
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) | 7.2500 L |
Package Weight (Metric) | 3.2890 kg |
K675LR-M2330
900 Amp, 15/25kV, 600 Series Elbow with Insulated Plug, Cap, Stud, Lug and Cable Adapter. Cable Insulation Diameter 1.370 inch to 1.630 inch. Copper Compression Lug. Conductor Size AWG or kcmil, Compressed Stranded 500 /Compacted Solid 600 /mmSquared Compact 250/300.
K656LR-J5270-S
15/25kV 600 Amp Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter), Bi-Metal Compression Lug. Cable Insulation Diameter 0.980 inch to 1.180 inch. Conductor Size Compressed/Stranded 4/0 or Compact/Solid 250 or mm2 Compact 125. Cold-Shrinkable Jacket Seal Included.K656LR-K0230
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 1.090 inch to 1.310 inch. Conductor Size Compressed/Stranded #1 or Compact/Solid 1/0 or mm2 Compact 50.K656LR-L0330-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 1.180 inch to 1.465 inch. Conductor Size Compressed/Stranded 500 or Compact/Solid 600 or mm2 Compact 250/300. Cold-Shrinkable Jacket Seal Included.K656LR-K0280
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 1.090 inch to 1.310 inch. Conductor Size Compressed/Stranded 250 or Compact/Solid 300.K656LR-J0280-SG3
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 0.980 inch to 1.180 inch. Conductor Size Compressed/Stranded 250 or Compact/Solid 300. Cold Shrinkable Seal with Copper Braid and Constant Force Spring Included.K656LR-J0250
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 0.980 inch to 1.180 inch. Conductor Size Compressed/Stranded 2/0 or Compact/Solid 3/0 or mm2 Compact 70.Frequently Asked Questions
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?
It can be used with conductor sizes from #2 AWG to 1250 kcmil for both aluminum and copper conductors.
What is the continuous current rating for this elbow connector?
The K656LR elbow connector has a continuous current rating of 600 Amps.
What is the impulse withstand rating for the 28kV voltage class?
The impulse withstand rating for the 28kV voltage class is 140kV BIL (1.2 x 50 microsecond wave).
What is the AC one-minute withstand voltage for the 15kV class?
The AC one-minute withstand voltage for the 15kV voltage class is 34kV.
What is the insulation diameter range for the K656LR connector?
The insulation diameter range for the K656LR connector is from 0.640 inches to 1.935 inches.
What is the momentary current rating for the K656LR?
The K656LR has a momentary current rating of 25kA Sym for 10 Cycles.
What is the corona extinction voltage for the 28kV class?
The corona extinction voltage for the 28kV voltage class is 21.5kV AC at 3pC sensitivity.
Are accessories available for the K656LR elbow connector?
Yes, optional accessories are available for visible external separation, by-pass, isolation, dead-ending, grounding, testing, and adding taps.
What is recommended when using the K656LR on metallic tape shield or drain wire cable?
An ECS cable seal grounding device for safety is highly recommended when used on metallic tape shield or drain wire cable.
How to Install K655/K675LR Deadbreak Elbow Connectors
This guide provides detailed instructions for the safe and proper installation of 655/675LR and K655/K675LR Deadbreak Elbow Connectors, including cable preparation, lug crimping, and connection to mating apparatus. Always ensure all apparatus are de-energized before beginning installation.
Estimated time: 2h
Tools needed:
Wire strippers, Crimping tool, Wire brush, Hotstick, Suitable sensing device for capacitive test points, Torque wrench
Supplies needed:
Elbow connector, Cable adapter, Compression lug, Insulating plug (if applicable), Lubricant (silicone), Threaded stud (if mating part not equipped), Grounding wire (min. No. 14 AWG Copper equivalent), Suitable connector for grounding wire, Voltage detection cap (if insulating plug used)
- Prepare Cable for Installation
Ensure all apparatus are de-energized. Assemble the cable in its final position with enough slack to allow for elbow removal. For concentric neutral cable, unwind the neutral wires. Cut the cable 1-3/4 inches (45mm) from the centerline of the mating product. Thoroughly clean the outer surface of the cable for a distance of 24 inches (610mm) or up to the bent back concentric neutral wires.
- Perform Cable Preparation
Remove the outer jacket (if applicable) and prepare the cable according to its type (e.g., non-jacketed concentric neutral, jacketed shield wires, flat metallic tape shield, fabric tape shield, longitudinally corrugated shield). Refer to specific instructions for 20MA/21MA grounding devices, 600ECS Jacket Cable Seal, or 10TL cable shield adapters if being used. Bevel the end of the cable insulation at a 45-degree angle, approximately 1/4 inch (6mm) back. Clean and 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 and Crimp Lug
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. The exposed conductor length should be between 4-1/4 inches and 4-9/16 inches (108mm-116mm); otherwise, redo the assembly. For copper conductors, fully insert the conductor into the compression lug. For aluminum conductors, wire brush the conductor and immediately fully insert it. Measure the 'Check Dimension' before crimping (should be less than 6-3/8 inches). Crimp the compression lug following the supplied instructions. Wipe all excess inhibitor from the lug and cable adapter. The distance from the end of the lug to the cable adapter after crimping should be between 6-3/8 inches and 7-1/8 inches (162mm-181mm); otherwise, redo the assembly.
- Install Elbow onto Cable Adapter
Lubricate the cable adapter and the inside of the elbow's 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 it. Remove the tape marker.
- Connect Elbow to Mating Apparatus
WARNING: Do not connect or disconnect mating products while energized, and 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 is not already equipped with one. Clean and lubricate both the elbow and the mating part with the supplied lubricant, ensuring surfaces remain clean. Push the elbow onto the mating part, aligning the hole in the compression lug with the stud on the mating part.
- Connect Opposite Mating Part (if applicable)
If connecting another mating part to the opposite end of the elbow, clean and lubricate its surface. Insert the mating part into the elbow, engage the threads, and hand tighten. Torque the mating part according to the instructions supplied with that specific 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 it snaps into place.
- Ground the Cable Shield
Insert one end of a grounding wire (with ampacity at least equivalent to No. 14 AWG Copper) 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. The cable shield must be grounded according to the instructions supplied with any grounding device used, or via an alternate method if no device is present. It is also recommended to waterproof the cable jacket at this point to prevent moisture ingress.
- Torque All L-Kit Components
CAUTION: When constructing 600-amp L-Kits, ensure that each component is tightened to the specified torque as per the instructions provided with the L-Kit.
- Perform Voltage Test
The ELASTIMOLD deadbreak elbow connector features an integral capacitance test point to determine if the circuit is energized. Remove the test point cap with a hotstick, peeling it off at an angle rather than pulling directly. 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. Contamination or incorrect equipment can give a false 'no voltage' indication; treat the elbow as energized until confirmed by other means. After testing, clean and lubricate the inside surface of the cap with silicone lubricant and replace it on the test point.
Frequently Asked Questions about ABB - Installation Products
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