Charged Reviews
Quick reference
Enphase 400 A Production Current Transformer (CT-400-277-SOLID)
Model: CT-400-277-SOLID · SKU: CT-400-277-SOLID
Prepared Nov 12, 2026
Common specifications
| Device type | Production current transformer (solid core)Source [1] |
|---|---|
| Max switched load (A) | Not documented |
| Max switched load (W) | Not documented |
| Measurement channels | Not documented |
| Current sensors | Solid coreSource [1] |
| Current rating | 400 ASource [1] |
| Voltage range | 277 VAC maximum (primary)Source [1] |
| Accuracy | 0.5 %Source [1] |
| Communications | Not documented |
| Display | Not documented |
| Power input | Not documented |
| Mounting | Not documented |
| Safety listing | Not documented |
| Weight | Not documented |
| Dimensions | Not documented |
| Enclosure volume | Not documented |
| Warranty term | Not documented |
All recorded specifications
| Accuracy | 0.5 %Documented claim ConditionsPrinted as an error rate of less than 0.5%. Location: PDF page 1, Specifications Printed as an error rate of less than 0.5%. Location: PDF page 1, Specifications |
|---|---|
| Certifications (as printed) | UL 2808Documented claim ConditionsPrinted as "Compliance UL 2808, RoHS" in the specifications table under the CT-400-277-SOLID column; no CE, IEC, TUV or JET mark is printed anywhere in the guide. Manufacturer claim; no issuer directory was checked. Location: PDF page 1, Specifications Printed as "Compliance UL 2808, RoHS" in the specifications table under the CT-400-277-SOLID column; no CE, IEC, TUV or JET mark is printed anywhere in the guide. Manufacturer claim; no issuer directory was checked. Location: PDF page 1, Specifications |
| Compatibility | IQ Gateway Commercial Pro (a set of three)Documented claim ConditionsPrinted in the guide's introduction. Location: PDF page 1, Introduction Printed in the guide's introduction. Location: PDF page 1, Introduction |
| Current rating | 400 ADocumented claim ConditionsPrinted as the maximum primary current. Location: PDF page 1, Specifications Printed as the maximum primary current. Location: PDF page 1, Specifications |
| Current sensors | Solid coreDocumented claim ConditionsPrinted in the current transformer type row. Location: PDF page 1, Specifications Printed in the current transformer type row. Location: PDF page 1, Specifications |
| Device type | Production current transformer (solid core)Documented claim ConditionsPrinted as the guide's title and the current transformer type row. Location: PDF page 1, Specifications Printed as the guide's title and the current transformer type row. Location: PDF page 1, Specifications |
| Operating temperature | -40 to 85 °C-40 to 185 °F convertedDocumented claim ConditionsPrinted as -40 to 85 °C (-40 to 185 °F). Location: PDF page 1, Specifications Printed as -40 to 85 °C (-40 to 185 °F). Location: PDF page 1, Specifications |
| Voltage range | 277 VAC maximum (primary)Documented claim ConditionsPrinted as the maximum primary voltage. Location: PDF page 1, Specifications Printed as the maximum primary voltage. Location: PDF page 1, Specifications |
Warranty
Certificate records
No records documented.
Sources and revisions
- Enphase 400 A Production CT quick install guide, 140-00457-01 (November 2025) (November 3, 2026 capture)Official instruction manual · Revision 140-00457-01 · Checked https://enphase.com/download/400a-production-current-transformer-quick-install-guide