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Overview
- 200 Amp rated current
- 25kV voltage rating
- 4-point junction configuration
- Center feed type
- Large hub opening for cable entry
Specifications
Application | 25 kV, 200 Amps |
Connection Type | Loadbreak |
Current Rating | 200 A |
Poles | 4-Point |
Temperature Rating, Maximum | 149 F |
Temperature Rating, Maximum | 65 C |
Temperature Rating, Minimum | -40 F |
Temperature Rating, Minimum | -40 C |
Type | Junction 4-Point |
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) | 1.0000 L |
Package Weight (Metric) | 0.4540 kg |
K675TBC
15/25kV, 900 Amp, Deadbreak Bushing for In-Air Applications (Pad-Mounted or Vault-Type or Submersible Transformers or Switchgear). One Factory installed 5/8-11 UNC-2A Stud included, other Stud must be Purchased Separately. Overall Length 13.75 inch, Diameter 4.50 inch. Molded Epoxy with Stainless Steel Flange. Boot and Collar.
750J4-5
35kV 600 Series Deadbreak 4-Point Junction, includes Rubber Junction, Stainless Steel U-Straps and Back Plate, No Bracket
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35 kV, 600 Series Deadbreak Insulated Parking Bushing with Stud and Universal Bracket and EyeBolt, Stand-Off Plug. Length 5.062 inch, Widest Diameter 3 inch. Epoxy.775ETPSP
35kV, 900Amp, Deadbreak/Loadbreak Elbow Tap Plug, use 600ATM assembly tool. Factory assembled Stud, which is not field removable.35MTGA-HB500-3
2 Hole Spade for MTG, includes Spade contact, ground strap and rain cap. Cable Insulation Diameter 1.095 inch to 1.240 inch. Conductor Size KCMIL Stranded 500 /Solid 600.Frequently Asked Questions
What are the main specifications of the 274J4 junction?
It is a 25kV, 200 Amp Loadbreak 4-Way Junction with a fully shielded, fully submersible molded rubber housing.
What is the Basic Impulse Level (BIL) withstand rating?
The Basic Impulse Level (BIL) impulse withstand rating is 125kV (1.2 x 50 microsecond wave).
What is the momentary and fault close rating?
The momentary and fault close rating is 10kA Symmetrical for 10 cycles.
What is the corona extinction voltage?
The corona extinction voltage is 19kV AC at 3pC sensitivity.
What is the DC 15-minute withstand voltage?
The DC 15-minute withstand voltage rating is 78kV.
What is the AC one-minute withstand voltage?
The AC one-minute withstand voltage rating is 40kV.
What is the maximum phase-to-phase voltage?
The maximum phase-to-phase voltage for the junction is 28kV.
What is the maximum phase-to-ground operating voltage?
The maximum phase-to-ground operating voltage is 16.2kV.
What industry standards does the 274J4 junction meet?
The 274J4 junction meets ANSI/IEEE Standard 386, Latest Revision.
Which ELASTIMOLD® products can mate with this junction?
It mates with 25kV Family of Elbow Connectors, 370GLR Grounding Elbow, 370TR Test Rod, and 273/274DRG Insulated Cap.
How to Install the 274J4-6 Two--, Three--, and Four--Point Loadbreak Junctions
Installation guide for mounting and wiring the 274J4-6 loadbreak junctions. Ensure all apparatus is de-energized before beginning.
Estimated time: 45m
Tools needed:
Screwdriver, Level, Drill, Wrench
Supplies needed:
Mounting brackets with hardware, Lubricant, Grounding wire, Insulated caps or connectors
- Attach mounting brackets and position junction
Loosely attach the universal mounting brackets to the junction back plate. Position the assembly against the wall and adjust the brackets for proper alignment. Mark the bracket locations on the wall.
- Mount the brackets to the wall
Detach the universal mounting brackets from the junction back plate. Mount the brackets to the wall according to the marks made in the previous step. Ensure the brackets are securely fastened.
- Attach the junction back plate
With the universal mounting brackets securely fastened to the wall, attach the back plate (with the junction assembled) to the mounting brackets. Ensure the parking stands are in the upright position.
- Adjust mounting angle
Adjust the mounting angle of the junction to the desired position. The mounting angle can be adjusted from 0 to 90 degrees in 15-degree increments.
- Secure the assembly
Tighten all bolts securely to ensure there is no movement during operation. Verify that the assembly is stable.
- Ground the back plate
Ground the back plate using the provided grounding lug. This lug accommodates wire sizes from No. 10 Solid to No. 1 Stranded.
- Prepare and connect mating products
Thoroughly clean the bushing interface of any contaminants and lubricate it with the supplied lubricant. Install the mating products to the bushing insert, following the instructions provided with those products. Ensure the yellow band is not visible when viewed from the side, indicating full elbow seating.
- Install protective caps on unused interfaces
WARNING: If all operating interfaces are not utilized, an Elastimold 273DR insulated cap MUST be installed on the unused interface(s) before energization. Do not use protective shipping covers for this purpose.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.
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What are the main product lines offered by Ocal?
Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.