Maybe you have existing live-front gear that’s battling some wildlife issues.
Maybe you require the safety of isolated components, but you don’t have the budget or the need for fully submersible switchgear.
Maybe you’re just looking for better overall reliability.
Whatever your specific challenges are, you need a pad-mounted switchgear solution to address them.
You’ve come to the right place: S&C’s PME Pad-Mounted Gear is dead-front, air-insulated underground distribution switchgear that provides safety and reliability upgrades at a reasonable price.
Advantages
Improved reliability with encased components
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Increased safety and ease with dead-front design
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Environmental and Economic Benefits of Air Insulation
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Leading-edge durability
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Case Studies
Reducing Animal-Induced Flashovers at a Major Theme Park
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TransFuser™ Mounting
S&C’s TransFuser Mounting enables a safer, simpler, and more ergonomic method of re-fusing.
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Gear Options
S&C Manual PME Pad-Mounted Gear is available in ratings of 14.4 and 25 kV, with switches and/or fuses in circuit configurations to fit every requirement.
Manual PME models include:
- S&C Mini-Rupter® Switches, operated by an external handle, for 600-ampere three-pole switching of source circuits
- Comprehensive tap protection with:
- Type SME-20 or SME-4Z Power Fuses
- Fault Fiter® Electronic Power Fuses
- Variety of current-limiting fuses
S&C Source-Transfer PME Pad-Mounted Gear is a completely self-contained package that provides automatic switching between two sources serving critical loads.
It incorporates the same features as Manual PME Pad-Mounted Gear, plus stored-energy operators and a sophisticated source-transfer control that continuously monitors source status and automatically switches to the “good” source if voltage is lost.
Available in ratings of 14.4 and 25 kV, Source-Transfer PME models include:
- S&C Micro-AT® Source-Transfer Control: Transfers on loss of source, voltage unbalance, or any source-side open-phase condition. It’s easy to set up. All settings are keypad-programmable, and calibration is automatic. And it can be furnished with an optional communications card to rapidly connect to your PC so you can upload event logs download standard settings.
- Built-in voltage sensors and power supply: No external wiring or control power required
S&C Remote Supervisory PME Pad-Mounted Gear permits automated switching and provides fault protection. It incorporates the same features as S&C Manual PME Pad-Mounted Gear and can be specified with a communication and control equipment group for a completely integrated, self-powered switching and protection package.
Available in ratings of 14.4 and 25 kV, Remote Supervisory PME Pad-Mounted Gear features carefully integrated components that ensure compatibility — all factory-assembled and checked.
Remote Supervisory PME Pad-Mounted Gear models include:
- Your choice of remote terminal unit, including S&C’s 6800 Series Automatic Switch Controls that provide standalone automatic sectionalizing (Available with the unique IntelliTeam® SG Automatic Restoration System.)
- Your choice of communication device
- Built-in voltage sensor and power supply: Minimizes enclosure size and installed cost
Product Details
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| Fuse Type | 60-Hz Ratings♥ | |||||||
|---|---|---|---|---|---|---|---|---|
| kV | Current, Amperes, RMS | Short-Circuit | ||||||
| Fuse Max | Mini-Rupter Switch | |||||||
| Nom. | Max | BIL | Cont. | Load Dropping | Amperes, RMS Sym. |
MVA 3-Phase Sym. at Rated Voltage |
||
| None | 14.4 25 |
17.0 27 |
95 125 |
— — |
600 600 |
600 600 |
25 000 12 500 |
620 540 |
| SME-20 | 14.4 25 |
17.0 27 |
95 125 |
200E♠ 200E♠ |
600 600 |
600 600 |
14 000 12 500 |
350 540 |
| SME-4Z | 14.4 25 |
17.0 27 |
95 125 |
200E 200E |
600 600 |
600 600 |
12 500 12 500♣ |
310 540♣ |
| Fault Fiter | 14.4 25 |
17.0 29 |
95 125 |
200 200 |
600 600 |
600 600 |
14 000♦ 12 500 |
350 540 |
♥ Consult the nearest S&C Sales Office for 50-hertz ratings.
♠ SMU-20 Fuse Units are available in ratings through 200K amperes as well as 200E amperes
♣ Applicable to solidly grounded-neutral systems only, with fuses connected by single-conductor, concentric-neutral-type cable to a transformer(s). Rating is 9,400 amperes RMS, symmetrical (405 MVA) for all other applications.
♦ 25,000 amperes, RMS, symmetrical and 620 MVA when certain non-S&C-manufactured current-limiting fuses are used, having a rated maximum interrupting current of at least 25,000 amperes, RMS, symmetrical and limiting the instantaneous peak let-through current to less than 36,000 amperes.
Circuit Configurations
Manual PME:
Source-Transfer PME:
Remote Supervisory PME:
For other possible configurations, please contact your nearest S&C Sales Office.
Which Underground Distribution Switchgear Is Right for Your Installation?
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