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Overview
- 600 Amp, 35kV rating for medium-voltage applications
- Accommodates cable insulation diameters from 1.370" to 1.630"
- Includes insulated plug, cap, stud, lug, and cable adapter
- Universal aluminum compression lug for stranded and solid conductors
- Suitable for 250-350 kcmil compressed stranded and 350 kcmil solid conductors
Specifications
Amperage Rating | 600 A |
Application | Designed to provide Fully Shielded, Dead-Front Submersible Cable Connections to High-Voltage Apparatus |
Color | Black |
Conductor Range | 250 kcmil , 300 kcmil |
Connection Type | Compression Lug |
Current Rating | 600 A |
Environmental Conditions | Fully Submersible |
Insulation | True |
Material | Aluminum |
Material | Housing - EPDM-Rubber |
Series | 600 Series |
Size | 1.370 inch to 1.630 inch |
Size | Cable Insulation Diameter 1.370 inch to 1.630 inch |
Special Features | 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 |
Temperature Rating, Maximum | 149 F |
Temperature Rating, Maximum | 65 C |
Temperature Rating, Minimum | -40 F |
Temperature Rating, Minimum | -40 C |
Type | Deadbreak Elbow Connector |
Voltage Rating | 35 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 |
756LR-M0280
35kV 600 Series Deadbreak Elbow with Test Point (with Insulated Plug, Cap, Stud, Lug and Cable Adapter). Aluminum Compression Lug. Cable Insulation Diameter 1.370 inch to 1.630 inch. Conductor Size AWG or kcmil, Compressed Stranded 250 /Compacted Solid 300.
161LR-C5270-S
15kV, 200 Amp Loadbreak Elbow Connector without Test Point. Cable Insulation Diameter 0.805 - 1.060 inches. Bi-Metal Conductor. Conductor Size 270 - 4/0 Stranded/Compressed or 250 kcmil Sold/Compact. S - Cold-Shrinkable Jacket Seal. Length 9.03 inches, 7.44 inch Width (without counting Probe). 2.92 Diameter.
K655LRTP-G0220-DRG
600 Amp, 25kV, Stick-Op Connector Kit with Insulated Cap. Aluminum Compression Lug. Cable Insulation Diameter 0.760 inch to 0.950 inch. Conductor Size AWG or kcmil, Compressed Stranded #2/Compacted Solid #1/mmSquared Compact 35.
676LRTP-K2330-DRG
900 Amp, 15kV Stickop Connector Kit With Test Point, No Sealing Kit. Cable Insulation Diameter 1.090 inch to 1.310 inch. Conductor Size Compressed Stranded 500 kcmil or Compacted Solid 600 kcmil or mmSquared Compact 250/300 kcmil. Copper Conductor Only.
K656LRTP-LM0270DRG-S
600 Amp, 25kV, Deadbreak, Stick-Op Connector Kit with Test Point, Cable Insulation Diameter 1.280 inch to 1.430 inch. Aluminum Compression Lug. Conductor Size AWG or kcmil, Compressed Stranded 4/0 /Compacted Solid 250 /mmSquared Compact 125. With Insulated Cap. Cold-Shrinkable Jacket Seal Included.
655LRTP-G0230-DRG
600 Amp, 15kV, Deadbreak Stick-Op Connector Kit, With Insulated Cap. Cable Insulation Diameter 0.760 inch to 0.950 inch. Aluminum Compression Lug. Conductor Size AWG or kcmil, Compressed Stranded #1 /Compacted Solid 1/0 /mmSquared Compact 70.K655LRTPN0410DRG
600 Amp, 25kV, Stick-Op Connector Kit. Aluminum Compression Lug. Cable Insulation Diameter 1.515 inch to 1.780 inch. Conductor Size AWG or kcmil, Compressed Stranded 1000. With Insulated Cap.Frequently Asked Questions
What is the maximum operating voltage for the 755LR?
The 755LR elbow connector is designed for use through 35kV. Its maximum phase-to-ground operating voltage is 21.1kV.
What standards does the 755LR meet?
The 755LR meets ANSI/IEEE Standard 386, Latest Revision.
What is the maximum phase-to-phase voltage rating?
The maximum phase-to-phase voltage rating for the 35kV voltage class is 36.6kV.
Is a grounding device needed for metallic tape shield cables?
When used on metallic tape shield or drain wire cable, an ECS cable seal grounding device is recommended.
What type of construction material is used for the 755LR?
The 755LR features 100% peroxide-cured construction, including insulation and conductive EPDM materials.
What is included in a 755LR kit?
Each kit contains an elbow connector housing, a copper compression lug, a stud, an insulated plug with cap, lubricant tubes, a cable adapter, and installation instructions.
What is the impulse withstand rating (BIL) for the 755LR?
The 755LR has a 150kV BIL (Basic Impulse Level) impulse withstand rating.
What is the continuous current rating of the 755LR?
The 755LR has a continuous current rating of 600 Amps.
Is the 755LR elbow connector submersible?
Yes, the 755LR features a fully shielded and fully submersible molded rubber housing.
What cable insulation diameters does the 755LR support?
The 755LR supports cable insulation diameters from 0.760 inches to 2.120 inches.
How to Install 755LR/775LR Deadbreak Elbow Connectors
This guide provides step-by-step instructions for the safe and proper installation of 755LR and 775LR Deadbreak Elbow Connectors on 35kV class systems, including cable preparation, lug crimping, and final connections.
Estimated time: 2h
Tools needed:
Wire strippers, Measuring tape, Wire brush, Crimping tool, Hotstick, Voltage sensing device
Supplies needed:
755LR/775LR Elbow Connector kit (Elbow, Cable Adapter, Compression Lug, Insulating Plug, Lubricant, Stud Prepack), Grounding wire (min. No. 14 AWG Copper), Suitable grounding connector, Silicone lubricant
- Prepare the Cable for Installation
DANGER: Ensure all apparatus are de-energized before starting installation. Position the cable in its final assembled position with enough slack to allow for elbow removal. For concentric neutral cable, unwind the neutral wires. Cut the cable 1-3/4” (45mm) from the centerline of the mating product. Clean the outer jacket of the cable for a distance of 24” (610mm). Inspect all components for damage, rating, and compatibility with mating parts.
- Prepare Cable Insulation and Install Cable Adapter
Follow the appropriate cable preparation instructions (A, B, or C) for your specific cable type, referring to other product instructions if using grounding devices or specific shield types. For jacketed/non-jacketed cable, remove the outer jacket and prepare the cable as shown in the diagrams (e.g., 10-3/8” insulation, 11-3/8” semi-con shield, 13-5/8” tape marker). Bevel the end of the cable insulation at a 45-degree angle, approximately 1/4” (6mm) back. Thoroughly clean and lubricate the cable insulation, working toward 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 Compression Lug
Remove the protruding cable insulation by cutting it even with the end of the cable adapter. Ensure the exposed conductor length is between 4-3/8” to 4-3/4” (111mm-121mm); otherwise, redo the assembly. 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' before crimping (should be less than 7” / 178mm). Crimp the compression lug according to its supplied instructions. Wipe all excess inhibitor from the lug and cable adapter surface. Verify the distance from the end of the lug to the cable adapter is 6-7/8” to 7-5/8” (175mm-194mm) after crimping.
- 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. Confirm the cable adapter remains flush with the tape marker; reposition if necessary. Remove the tape marker.
- Connect to Mating Products
DANGER: Do not connect or disconnect mating products while energized, and 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 it's not already equipped with one. Clean and lubricate both the elbow and the mating part with the supplied lubricant. Push the elbow onto the mating part, aligning the hole in the compression lug with the stud. For the opposite end, clean and lubricate the mating part, insert it into the elbow, engage threads, hand tighten, and then torque according to the mating part's instructions.
- Install Insulating Plug and Ground the Shield
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 until it snaps into place. Insert one end of a grounding wire (at least No. 14 AWG Copper) through the grounding eye and twist to form a small loop without damaging the eye. Connect this wire to ground using a suitable connector. Ensure the cable shield is grounded according to the instructions supplied with any grounding device, or via an alternate method if no device is used. It is also recommended to waterproof the cable jacket at this point to prevent moisture ingress.
- Perform Voltage Test
CAUTION: When constructing 600amp L-Kits, tighten each component to specified torque per plug connector instructions. Remove the test point cap with a hotstick, peeling it off at an angle. WARNING: The voltage test point is a capacitance device and 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. Treat the elbow as energized until the 'no voltage' indication is confirmed by other means, as contamination or incorrect equipment can give false readings. 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
How are Thomas and Betts products typically installed?
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