ABB Installation Products 274RLR-K-5270 25kV 200 Amp, Loadbreak Replacement Elbow Connector with Test Point. Cable Insulation…
UPC: 783786347339
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 25kV operating voltage rating
- 200 Amp continuous current rating
- Integrated test point for circuit testing
- Accommodates cable insulation diameters from 1.090" to 1.310"
- Bi-metal compression lug for reliable termination
Specifications
Amperage Rating | 200 A |
Application | 25kV, 200 Amps |
Color | Black |
Conductor Range | 4/0 STR/COMPR AWG , 250 kcmil |
Current Rating | 200 A |
Environmental Conditions | Fully Submersible |
Insulation | True |
Material | Bi-Metal Compression Lug |
Material | Housing - EPDM-Rubber |
Size | Cable Insulation Diameter 1.090 inch to 1.310 inch |
Special Features | Replacement Elbow has extended length contact and elbow housing resulting in a net gain of 8-7/8 inches in length. Includes 00400X long Bi-Metal Contact |
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 | Loadbreak Replacement Elbow Connector with Test Point |
Voltage Rating | 25 kV |
Voltage Rating | 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) | 4.5100 L |
Package Weight (Metric) | 2.0460 kg |
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25kV 200 Amp, Loadbreak Replacement Elbow Connector with Test Point. .760 inch - .950 Inch Cable Insulation Diameter, 1/0 Stranded or 2/0 kcmil Solid Wire Size, Bi-Metal Compression Lug.Frequently Asked Questions
What is the maximum voltage rating for this elbow connector?
The ABB 274RLR-K-5270 has a maximum operating voltage rating of 25kV.
What is the continuous current capacity of this connector?
This loadbreak elbow connector is rated for 200 Amps of continuous current.
What cable insulation diameter range does this connector support?
The connector is designed to fit cable insulation diameters ranging from 1.090 inches to 1.310 inches.
What type of lug is used for conductor termination?
The ABB 274RLR-K-5270 features a bi-metal compression lug for secure conductor termination.
Does this connector have a test point?
Yes, this loadbreak elbow connector includes an integrated test point for circuit testing.
How to Install the 274RLR Loadbreak Replacement Elbow Connector
This guide provides step-by-step instructions for installing the 274RLR Loadbreak Replacement Elbow Connector, converting a livefront termination to deadfront for UD cable. It covers cable preparation, lug installation, elbow assembly, neutral connection, and initial connection to a bushing.
Estimated time: 1h 30m
Tools needed:
Probe Wrench, Hotstick (Live-Line Tool), Wire Brush, Capacitive Voltage Sensing Device, Cable Cutter, Wire Strippers, Crimping Tool
Supplies needed:
274RLR Replacement Elbow Connector Housing, Compression Lug, Probe, Elastimold Lubricant, Hose Clamp, No. 14 AWG (2.5mm) Copper Wire, Grounding Connector
- Prepare for Installation and Ensure Safety
DANGER: All apparatus must be de-energized during installation or removal of parts. Inspect the package contents to ensure completeness and check all components for proper fit with the cable and mating products. Verify the probe threads by hand-threading into the compression lug. Gather all required tools and maintain cleanliness throughout the procedure.
- Remove Existing Livefront Termination
Remove the rubber cap from the existing terminator. Cut off the connector at the top of the terminator. Disconnect the ground lead from the base of the terminator. Carefully remove the terminator housing from the cable.
- Prepare the Cable
Train the cable to be straight and in-line with the bushing centerline. Measure and cut the cable to 10-1/2 inches from the bushing centerline. Remove 1-3/8 inches of cable insulation from the end, ensuring the cut is square and the conductor is not nicked. If the insulation shield measures less than 6-1/2 inches, proceed; otherwise, consult an Elastimold representative.
- Install Compression Lug
Wire brush the bare aluminum conductor immediately before installation. Install the compression lug, rotating it to spread the inhibitor. Position the lug so its threaded hole aligns with the bushing bore. Crimp the lug according to the crimp chart, starting at the crimp line mark and rotating 180 degrees for each successive crimp. Carefully wipe any excessive inhibitor from the lug and cable.
- Assemble Elbow Connector Housing
Lubricate the cable insulation and the inside of the elbow housing with the supplied Elastimold lubricant; do not substitute. Slide the elbow connector onto the cable using a back-and-forth twisting motion, then wipe off any excess grease. Align the elbow with the compression lug's threaded hole. Thread the probe into the lug by hand, ensuring it turns freely for approximately four turns before becoming snug. Tighten with a probe wrench until the wrench bends.
- Connect Concentric Neutral
Insert one end of a No. 14 AWG (2.5mm) copper wire through the grounding eye on the elbow and twist it tight, taking care not to damage the eye. Twist all neutral wires together and connect them to ground using an appropriate connector, ensuring adequate slack for elbow operation. Add the supplied hose clamp as shown in the diagram and tighten it snugly, but do not overtighten.
- Connect Elbow to Bushing
Ensure the transformer and elbow are de-energized. Lubricate the receptacle portion of the elbow connector and the mating bushing with the supplied lubricant. Securely fasten a hotstick to the loadbreak connector pulling eye. Place the elbow connector receptacle over the bushing plug, inserting the male contact until slight resistance is felt. Immediately push the elbow home with a fast, firm, straight motion to engage the internal lock on the elbow and bushing interface.
- Perform Voltage Test (274RLR Only)
Remove the test point cap with a hotstick, peeling it off at an angle. WARNING: The voltage test point is a capacitance device; 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. After testing, clean and lubricate the inside surface of the cap with silicone grease and replace it on the test point.
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