Knowledge Base › Current Transformers (CT)
Sungrow NRC-100
Official manufacturer GLOBAL verified Sept. 22, 2026
Page 1 of Quick Installation Guide - Three-Phase Smart Energy Meter DTSU666-20 (https://info-support.sungrowpower.com/product-materials/4618fcef-2d6a-4575-a7f2-edf7c6d360d3.pdf)
Identity
| category | current_transformers |
| device_type | Rogowski coil (flexible current sensor) for the Sungrow DTSU666-20 meter |
| manufacturer | Sungrow |
| model | NRC-100 |
| note | Named only inside the Sungrow DTSU666-20 quick installation guide; no Sungrow datasheet for the coil itself was located, and the guide does not state who manufactures it. |
| product_name | NRC-100 |
| product_status | active |
| region | GLOBAL |
Electrical
| accuracy_class | Class 1.0 |
| bidirectional | True |
| max_current_a | 100.0 |
| measurement_type | Current Transformer (CT) |
| official_manual_url |
https://info-support.sungrowpower.com/product-materials/4618fcef-2d6a-4575-a7f2-edf7c6d360d3.pdf
Quick Installation Guide - Three-Phase Smart Energy Meter DTSU666-20
|
| output | — |
| phase_count | 1 |
| product_status |
active
Quick Installation Guide - Three-Phase Smart Energy Meter DTSU666-20
|
| rated_primary_current | — |
| ratio | — |
| voltage_rating_v | 230.0 |
Physical / mechanical
| lead_length | — |
| window_size | — |
Installation
| role | Current sensing for the DTSU666-20 in Rogowski mode (meter CT codes RS01-RS04 cover 1000 A - 4000 A) |
Documents
quick_installation_guide
Quick Installation Guide - Three-Phase Smart Energy Meter DTSU666-20
rev DTSU666-20-QIEN-Ver17-202605
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| manufacturer_legal_entity_as_printed | UNKNOWN |