Padmount Secondary Termination
Power Design’s padmount and wall-mount secondary terminations (up to 600 V) are available with high-conductivity copper bus rated 1,600–4,300 A, aluminum bus rated 1,300–2,900 A, or 22-position aluminum set-screw connectors rated 4,000 A for #2–750 MCM conductors. Ratings are based on source-to-tap (S-T) configuration; higher capacities up to 7,740 A are available in tap-source-tap (T-S-T) configurations.
Description
Key Features
Enclosure Construction
- Fire-retardant fiberglass with UV-stabilized gel coat
- Resistant to temperature, weather, and corrosive conditions
- Virtually maintenance-free design
Frame & Support
- Free-standing welded aluminum steel frame for secondary termination bus
- Removable aluminum support bars for simplified cable connection
Bus Bars
- High-conductivity copper bus rated 1600A through 4300
- T-S-T bus bar connection (up to 7400A) with copper busbars centrally located and taps at each end for efficient distribution
- Copper or aluminum bus bars, (17) two-hole per phase + neutral typical
- Custom bus bar sizes available
Cable & Connections
- 22 or 30-position aluminum #2–750 MCM set screws available
- Copper ground connector included
| Drawing | Type | Phase | Connectors | Positions | V | A |
|---|---|---|---|---|---|---|
| PS4-44-2222 | Padmount | 3 | CU or Alum. Bus | (17) - NEMA 2 Hole | 600 | 1,300 to 7,740 |
| PS2-44-1582 | Padmount | 3 | Alum. Set Screw | (22) #2-750MCM | 600 | 4000A |
| MB-40-30-1766 | Wall mount | 3 | Alum. Set Screw | (30) #2-750MCM | 600 | 4000A |
| MB-40-22-4124 | Wall mount | 3 | Alum. Set Screw | (22) #2-750MCM | 600 | 4000A |
Below are links to marketing & technical literature that can be downloaded. Please check back as we continue to add additional information.