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Overview
- 900 Amp rated current for medium-voltage systems
- 25kV deadbreak design allows safe tap-offs without de-energizing
- Accommodates conductor sizes #1-300 CU or #1-300 AL
- No lugs required for simplified installation
- ABB Electrification medium-voltage distribution component
Specifications
Application | 25 kV, 900 Amps |
Color | Red |
Connection Type | Deadbreak |
Current Rating | 900 A |
Material | Copper |
Temperature Rating, Maximum | 149 F |
Temperature Rating, Maximum | 65 C |
Temperature Rating, Minimum | -40 F |
Temperature Rating, Minimum | -40 C |
Type | Reducing Tap Well |
Voltage Rating | 25 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 |
Frequently Asked Questions
What is the K675RTW's primary application?
The K675RTW permits a 200A deadbreak or loadbreak tap-off from a 900A connector.
What is the 15kV class max phase-to-phase voltage?
For the 15kV voltage class, the maximum phase-to-phase voltage is 14.4kV.
What items are included in the K675RTW kit?
Each K675RTW kit contains one reducing tap well, one tube of 82-08 lubricant, and installation instructions IS-0230.
What is the BIL rating for the 28kV class?
The 28kV voltage class has a 140kV BIL Impulse Withstand rating (1.2 x 50 microsecond wave).
What is the BIL rating for the 15kV class?
The 15kV voltage class has a 95kV BIL Impulse Withstand rating (1.2 x 50 microsecond wave).
What is the 28kV class max phase-to-phase voltage?
For the 28kV voltage class, the maximum phase-to-phase voltage is 28kV.
What is the 28kV class max phase-to-ground operating voltage?
For the 28kV voltage class, the maximum phase-to-ground operating voltage is 16.2kV.
What is the 15kV class max phase-to-ground operating voltage?
For the 15kV voltage class, the maximum phase-to-ground operating voltage is 8.3kV.
What is the momentary current rating?
The momentary current rating for the K675RTW is 25kA Symmetrical for 10 cycles. This applies to both 15kV and 28kV classes.
What is the continuous current rating?
The continuous current rating for the K675RTW is 900 Amp. This applies to both 15kV and 28kV classes.
How to Install 15/25/35kV 600/900 AMP Deadbreak Plug and Well Products
This guide provides step-by-step instructions for the safe installation and initial setup of 15/25/35kV 600/900 AMP Deadbreak Plug and Well products. Ensure all apparatus are de-energized before beginning any work.
Estimated time: 1h 30m
Tools needed:
Torque wrench, ELASTIMOLD 600SW spanner wrench (for specific plugs), Hotstick, Suitable voltage sensing device
Supplies needed:
Lubricant (supplied, do not substitute), Stud (if mating interface not equipped), Silicone lubricant
- De-energize and Inspect Components
Before beginning, ensure all apparatus are de-energized. Do not touch or move energized products in the work area. Inspect the plug or well, lubricant, and mating parts (elbow or bushing extension) for any damage, correct rating, and compatibility. If the product is supplied with protective shipping covers, remove them and replace with appropriate HV insulated caps or connectors before submerging or energizing the circuit.
- Prepare and Lubricate Components
Remove any protective caps from the plug or well product. If the 600 amp mating interface is not equipped with a stud, hand tighten the supplied stud into the 600 amp interface on the plug or well. Lubricate both the elbow and its mating part thoroughly with the supplied lubricant; do not substitute, as other lubricants may be harmful. Ensure all surfaces remain clean during this process.
- Connect Plug or Well
Carefully push the plug or well into the elbow or bushing extension. Ensure the components align correctly and engage the threads fully.
- Apply Specified Torque
Use a torque wrench to tighten the connection. For an insulating plug, apply 50 to 60 foot-pounds of torque. For a connector plug, tap plug, or tap well, use an ELASTIMOLD 600SW spanner wrench with the torque wrench, applying an indicated torque of 40 to 48 foot-pounds. Refer to special instructions IS-0915 for K651 and 750 rubber connecting plugs.
- Install Voltage Detection Cap (If Applicable)
If an insulating plug is used as a mating part, clean and lubricate the inner surface of the voltage detection cap with silicone lubricant. Place the cap onto the elbow and push down firmly until it snaps securely into place.
- Conduct Voltage Detection
Remove the test point cap using a hotstick, peeling it off at an angle rather than pulling directly in line. WARNING: The voltage test point is a capacitance device and is not directly connected to the conductor. Do not use conventional voltage measuring equipment. Use a suitable sensing device designed for use with separable connectors manufactured with 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 to prevent serious or fatal injury.
- Secure Voltage Test Point Cap
After voltage detection has been made, clean and lubricate the inside surface of the test point cap with silicone lubricant. Replace the cap onto the test point, ensuring it is securely seated.
Frequently Asked Questions about ABB - Installation Products
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