Knowledge Base › Current Transformers (CT)
Deye CT for SUN-SMART-CT02 smart meter (CT part number not published)
Official manufacturer EU verified Sept. 2, 2026
Identity
| brand | Deye |
| category | current_transformers |
| ean | UNKNOWN |
| manufacturer | Deye (Ningbo Deye Inverter Technology Co., Ltd.) |
| model | CT for SUN-SMART-CT02 smart meter (CT part number not published) |
| mpn | UNKNOWN |
| product_family | Deye Wireless CT 02 accessory CT |
| product_status | active |
| region | EU |
| sku | UNKNOWN |
Electrical
| accuracy_class | UNKNOWN for the CT itself; the meter's own accuracy is stated as Voltage +/-0.1 V, Current +/-0.01 A, Power +/-1 W |
| compatible_meters_inverters | ['Deye SUN-SMART-CT02', 'Deye SUN-SMART-CT02-W', 'Deye SUN-SMART-CT02-L', 'Deye SUN-SMART-CT02-WL'] |
| cts_per_system | single-phase 1 CT; split-phase three-wire 2 CTs (L1, L2); three-phase four-wire 3 CTs (L1, L2, L3) |
| opening_size_mm | UNKNOWN |
| orientation | manual: 'The CT arrow should point toward the inverter from the grid' |
| physical_type | UNKNOWN (split-core vs solid-core not stated) |
| primary_current_a | UNKNOWN (determined by the CT chosen; the meter itself accepts 50 mA or 5 A secondaries) |
| ratio |
settable in the meter, 100:1 to 5000:1 in steps of 100 ('CT Ratio set', SUN-SMART-CT02 manual)
Manual SUN-SMART-CT02 — manual, parameter 'CT Ratio set', 100:1 to 5000:1, adjustment step 100
|
| secondary_cable_length_m | UNKNOWN |
| secondary_output |
50 mA or 5 A (product page row 'CT (Rated Secondary Output) | 50mA/5A')
Wireless CT 02 product page (HTML technical specification table) — product page row 'CT(Rated Secondary Output) | 50mA/5A'
|
| used_for | zero export / anti-backflow - datasheet: 'Single CT per inverter system for synchronized zero-export control' |