Primary Metering – Switch Disconnect
Three-phase padmount primary metering with group-operated loadbreak switch provides isolation and visible break, rated 15/25 kV (95/125 BI. Features a galvanized free-standing frame with bushings, outdoor-rated instrument transformers, and group-operated switch. Installs on fiberglass or concrete pads; enclosure mounts or removes independently for service. Meets NEC, ANSI, IEEE, NEMA, and ANSI C57.12.28 standards.
Description
Key Features
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- Padmound Enclosure:
– Housed in a fiberglass outdoor weatherproof enclosure with stainless steel hardware - Construction:
– Ultra-strong, fire retardant, and corrosion resistant
– Fiberglass laminate guaranteed against degradation for 25 years under normal service - Structural Frame:
– Free-standing, hot-dipped galvanized steel frames
– Allows full enclosure removal for easy equipment access - Switching:
– Group-operated loadbreak disconnect switch provides isolation and visible break
– Transformer Integration Supports instrument transformers from all manufacturers
– Connected with copper bus bar to bushings - Wiring:
– Secondary wiring and color coding per customer specification
– Installed in non-metallic, liquid-tight conduit and fittings - Metering:
– Meter base and test switch installed per specification
– Can be mounted on enclosure or remote junction box
- Padmound Enclosure:
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? Contact our sales department for special requirements or custom configurations.
| Drawing | Phase | V | A | Bil | CT | VT | Switch |
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| PS4-86-2540 | 3 | 25kV | 600A | 125kV | 15kV 110kV Bil 100-5 Ratio 1B | 15kV 110kV 60:1 Ratio 1B | S&C Mini-Rubpter |
| PS4-86-2893 | 3 | 15kV | 600A | 95kV | 15kV 95kV Bil 400-5 Ratio | 15kV 110kV 70:1 Ratio | S&C Mini-Rupter |
| PS4-86-4408 | 3 | 25kV | 600A | 125kV | 25kV 150kV Bil 100-5 Ratio | 25kV 125kV Bil - 120:1 Ratio 1B | S@C Mini-Rupter |
Below are links to marketing & technical literature that can be downloaded. Please check back as we continue to add additional information.
Design your own primary metering switchgear by completing the form below and submitting it to our sales department. Our three-phase padmount and pole-top primary metering switchgear is available in 15 kV, 25 kV, or 35 kV classes with 200 A or 600 A ratings. Padmount units feature a galvanized free-standing frame with an optional swing-out panel for bushings, outdoor-rated instrument transformers, and an optional group-operated loadbreak disconnect switch for isolation and visible break. A sales representative will review your request and contact you within a few days if needed.