Alduti-Rupter® Switches
S&C Alduti-Rupter Switches provide no-external-arc circuit interruption for underground distribution circuits. They are ideally suited for line switching, transformer switching, and cable switching duties.
Alduti-Rupter Switches are available in three-pole and single-pole versions, in voltage ratings through 34.5 kV and current ratings of 600 amperes or 1200 amperes, continuous and interrupting.
Three-Pole Alduti-Rupter Switches
Integral quickmake quick-break mechanism and antifriction bearings are featured in the built-in operating mechanism of the three-pole switches. These switches are furnished as complete units including direct-coupled, chain-coupled, or pipe-coupled handle; interphase barriers; side barriers; and any other operating-mechanism components required by the specifications for any Standard Mounting Arrangement covered in S&C Data Bulletin 783-80.
Standard Mounting Arrangements make it possible to buy and warehouse a quantity of Alduti-Rupter Switches in preferred mounting arrangements, for use in future installations. So at any time, a switch may be withdrawn from stock for immediate installation.
Single-Pole Alduti-Rupter Switches
Hookstick operated single-pole switch are designed for vertical or inverted mounting inside a vault or switchgear when a single-pole load-break disconnect is required.
| kV | Amperes, RMS | |||||
|---|---|---|---|---|---|---|
| Nom. | Max | BIL | Cont. and Interrupting |
Short-Time | Fault-Closing, Duty-Cycle, Two-Time, Asym. |
|
| Mom., Asym. | Mom., Sym. | |||||
| 4.8 | 5.5 | 60 | 600 | 61 000 | 25 000 | 61 000 |
| 4.8 | 5.5 | 60 | 1200 | 61 000 | 40 000 | 61 000 |
| 13.8 | 17.0 | 95 | 600 | 40 000 | 25 000 | 40 000 |
| 13.8 | 15.0 | 95 | 1200 | 61 000 | 40 000 | 61 000 |
| 25 | 29 | 125 | 600 | 40 000 | 25 000 | 28 000 |
| 34.5 | 38 | 150 | 600 | 40 000 | 25 000 | 28 000 |
| 34.5 | 38 | 200 | 600 | 40 000 | 25 000 | 28 000 |
| kV | Amperes, RMS | ||||
|---|---|---|---|---|---|
| Nom. | Max | BIL | Cont. and Interrupting |
Short-Time | |
| Mom., Asym. | 3-Sec., Sym. | ||||
| 13.8 | 17.0 | 95 | 600 | 40 000 | 25 000 |
Alduti-Rupter Switches are offered in three-pole and single-pole versions. Three-pole switches are available with the main contact at either the top or bottom, and with a direct-coupled, chain-coupled, or pipe-coupled handle.
Three-Pole Alduti-Rupter Switch, with main contact at top, handle on right.
Single-Pole Alduti-Rupter Switch
