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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
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Product image: Siemens. Used for identification only.
30/40A Level 2 from Siemens with optional Wi-Fi. Cleanest fit for industrial sites already running Siemens switchgear.

| Charger type | Level 2 (AC) |
| Max amperage | 30 A or 40 A (model-dependent) |
| Max power output | 7.2 – 9.6 kW @ 240 V |
| Range per hour | ~22–28 miles/hour |
| Connector | SAE J1772 |
| Networked | Optional Wi-Fi (SG variant) |
| OCPP version | Not OCPP (US consumer variant) |
| Wi-Fi / cellular | Wi-Fi on SG / none on base |
| NEMA rating | NEMA 4 (indoor/outdoor) |
| Cable length | 20 feet |
| Warranty | 3 years |
| Made in | USA (Atlanta, GA) |
Sites that already run Siemens switchgear benefit from single-vendor supply chain and integrated load-center compatibility.
Solid 30A option for employers who want a name-brand charger at $100–200 less than networked competitors.
Clean install into a Siemens Q-series or Murray panel — same brand family keeps the electrical build tidy.
| Line item | Typical range |
|---|---|
| Hardware (MSRP) | $699 – $799 |
| Permits & inspection | $120 – $350 |
| Labor (licensed electrician) | $600 – $1,100 |
| Make-ready (wire, breaker) | $250 – $650 |
| SG Wi-Fi variant upgrade | +$80 – $150 |
| All-in single-port install | $1,700 – $2,500 |
Industrial-facility installs integrated with existing Siemens switchgear often come in $200–$400 below this range.
Residential 30C credit up to 30% / $1,000 per household at properties in eligible census tracts. Industrial and workplace installs claim the 6% business investment credit (or 30% if prevailing wage and apprenticeship rules are met on projects above $1M).
Full Section 30C commercial guide
Same workplace target, Leviton brand, Wi-Fi + Bluetooth, similar price point.
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32 A non-networked, US-made. More robust enclosure, no delayed-start feature.
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40 A, full OCPP networking, NEMA 4. Pick when rebate eligibility and app matter.
View specNuWatt handles load-center compatibility checks, permit, and the full install — especially clean on existing Siemens switchgear.
Last verified by NuWatt Engineering Team on 2026-04-14. Specs reflect the 2026 Siemens datasheet. Installed cost ranges reflect NuWatt project data.