Fox ESS
Fox ESS S3300-G3
S Series (G3)
String inverter
Fox ESS S3300-G3 has a reviewed nominal AC active-power rating of 3300 W.
Deep comparison fields reviewedThis local comparison record does not approve module compatibility, string sizing, grid connection or electrical safety.
Documented source scope: Global / ROW official site. This is not a statement about your location or product availability. manufacturer-id + exact model code + market; no cross-region, power-bin, suffix, phase, certification or hardware-generation merge
Representative illustration — not the manufacturer’s exact hardware appearance.
Field-level provenance
Electrical specifications
Unknown means the field has not passed this exact-record integration review. It does not mean zero.
| AC output | |
|---|---|
| Rated AC active power | 3300 Wnominal active AC output; scope: AC output; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Nominal AC Power Revision: V1.4 · Checked 2026-10-02 |
| Maximum AC apparent output | 4000 VAmaximum apparent AC output; scope: AC output; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Max. AC Apparent Power Revision: V1.4 · Checked 2026-10-02 |
| Connection phases | 1Official exact-model/family phase identity: single-phase. For North-American split-phase, the literal split-phase descriptor is retained rather than converted to a false phase count. No grid-approval inference. Official source ↗ · p.1 product heading “SINGLE-PHASE INVERTER”; p.2 exact model column in technical specifications Revision: V1.4 · Checked 2026-10-02 |
| PV input & tracking | |
| Independent MPPT trackers | 1independent MPP trackers; scope: inverter; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 No. of MPP Trackers Revision: V1.4 · Checked 2026-10-02 |
| MPPT operating window minimum | 50 Voperating MPPT range; scope: MPPT; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 MPPT Voltage Range; canonical min bound from source range Revision: V1.4 · Checked 2026-10-02 |
| MPPT operating window maximum | 480 Voperating MPPT range; scope: MPPT; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 MPPT Voltage Range; canonical max bound from source range Revision: V1.4 · Checked 2026-10-02 |
| DC operating voltage minimum | Unknown |
| DC operating voltage maximum | Unknown |
| Maximum PV input voltage | 500 Vmaximum DC input voltage; scope: inverter; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Max. DC Voltage Revision: V1.4 · Checked 2026-10-02 |
| Maximum input current per tracker/input | 20 Amaximum input current; scope: input; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Max. Input Current Revision: V1.4 · Checked 2026-10-02 |
| Maximum PV short-circuit current | 26 Amaximum short-circuit current; scope: input; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Max. Short Circuit Current Revision: V1.4 · Checked 2026-10-02 |
| Efficiency & environment | |
| Maximum conversion efficiency | 97.4 %maximum conversion efficiency; scope: efficiency; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Max. Efficiency Revision: V1.4 · Checked 2026-10-02 |
| European efficiency | 96.8 %European efficiency; scope: efficiency; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 European Efficiency Revision: V1.4 · Checked 2026-10-02 |
| Operating ambient temperature minimum | -25 °Cambient operating range; scope: environment; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Operating Temperature Range; canonical min bound from source range Revision: V1.4 · Checked 2026-10-02 |
| Operating ambient temperature maximum | 60 °Cambient operating range; scope: environment; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Operating Temperature Range; canonical max bound from source range Revision: V1.4 · Checked 2026-10-02 |
| Enclosure protection | IP65ingress protection rating; scope: enclosure; Exact model/market manufacturer evidence; no compatibility, string-sizing, grid or safety approval. Official source ↗ · p.2 Ingress Protection Revision: V1.4 · Checked 2026-10-02 |
| Surge protection | DC Type II / AC Type II (optional)Manufacturer protection table; optional qualifiers retained where stated. Decorative/catalogue use only; no safety approval. Official source ↗ · p.2 PROTECTION — Surge Protection row Revision: V1.4 · Checked 2026-10-02 |
| Warranty | |
| Warranty and eligibility | Unknown |
Comparison category basis
Official exact-model/family evidence supports source category 'PV string inverter'; normalized only to the allowed comparison category 'string'.
Generic artwork is presentation-only and is not hardware, compatibility, dimension or electrical evidence.