Knowledge Base › Current Transformers (CT)
Omron KM-NCT-E250A
Official manufacturer GLOBAL verified Sept. 25, 2026
Identity
| category | current_transformers |
| manufacturer | Omron |
| model | KM-NCT-E250A |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| accuracy_class | Class 1.0 |
| applicable_standards |
['EN61010-1', 'EN61010-2-030', 'EN61326-1']
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| bidirectional | True |
| burden_va |
1
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| compatible_meter_models |
['KM-N2-FLK', 'KM-N3-FLK']
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| conductor_size_mm |
24
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| ct_type |
split_core
KM-N3-FLK Power Monitor / Lineup
|
| dielectric_strength |
2300 VAC, 1 minute between core and all output terminals
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| dielectric_strength_vac |
2300
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| frequency_hz |
50/60
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| insulation_resistance |
100 MΩ min. (at 500 VDC mega)
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| insulation_resistance_mohm |
100
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| max_current_a | 250.0 |
| max_wire_diameter_mm |
24
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| measurement_type | Current Transformer (CT) |
| operating_humidity |
85% max. with no condensation
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| phase_count | 1 |
| primary_current_a |
250
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| rated_burden_va |
1
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| secondary_current_a |
1
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| voltage_rating_v | 230.0 |
| weight_g |
175
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
Physical / mechanical
| weight_kg |
0.175
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
Environment
| operating_temperature_max_c |
55
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| operating_temperature_min_c |
-20
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| storage_temperature_max_c |
90
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
| storage_temperature_min_c |
-30
OMRON Power Monitor KM-N2 / KM-N3 catalogue (N213-E1-10)
|
Documents
product_page
KM-N2-FLK Smart Power Monitor / Specifications
product_page
KM-N3-FLK Power Monitor / Lineup
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | OMRON's English-language industrial-automation catalogue (ia.omron.com) is the source; OMRON is a Japanese manufacturer and uses the same designation worldwide. |