База знань › Current Transformers (CT)
Siemens 4NC5438-2DL21
Official manufacturer GLOBAL перевірено 23 вересня 2026 р.
Identity
| category | current_transformers |
| manufacturer | Siemens |
| model | 4NC5438-2DL21 |
| region | GLOBAL |
| variant | — |
Electrical
| accuracy_class |
0.5
суперечливе
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| aperture_mm |
41
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| burden_va | 20 |
| busbar_dimensions | 64 mm (1 bus bar) / 51 mm (2 bus bars); opening height 36 mm |
| conductor_size_mm |
max push-through conductor diameter 41 mm; opening height 36 mm
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| ct_type |
solid_core
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| frequency_hz |
50/60
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| insulation_voltage_v | 3000 (3 kV); highest operating voltage 0.72 kV |
| max_operational_current_a | 2400 |
| overcurrent_limiting_factor | FS 5 |
| primary_current_a |
2000
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| rated_burden_va |
20
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| rated_insulation_voltage_v |
3000
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| rated_operational_voltage_v |
720
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| ratio |
2000/5 A
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| secondary_current_a |
5
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| secondary_output | 5 |
| security_factor |
FS 5
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| short_time_thermal_current |
Ith 60 x Ipr for 1 s; Idyn 2.5 x Ith or 150 x Ipr
суперечливе
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| terminal_type | Screw-type terminals |
| transformer_size | 4 |
| window_diameter_mm | 41 |
Physical / mechanical
| depth_mm |
77
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| dimensions_mm | 112 x 127.5 x 77 (W x H x D) |
| height_mm |
127.5
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| weight_kg |
1.241
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| width_mm |
112
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
Installation
| mounting | Screw fixing; bushing-type (push-through) current transformer |
Environment
| ip_rating |
IP20
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| operating_temperature_max_c |
55
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| operating_temperature_min_c |
-30
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
| operating_temperature_range_c | -30 to 55 |
| storage_temperature_range_c | -30 to 70 |
Protection
| protection_degree_ip | IP20 (indoor use only, touch-protected) |
Certifications
| standards |
['IEC 61869-2']
Data sheet 4NC5438-2DL21 - Current transformer 2000/5 A, 20 VA, Cl. 0.5
|
Документи
Зафіксовані конфлікти
electrical.short_time_thermal_current Review required
Ith 60 x Ipr for 1 s; Idyn 2.5 x Ith or 150 x Ipr — stored value
Ith (1 s) = 60 x Ipr; Idyn = 2.5 x Ith or 150 x Ipr (IEC 61869-2) — incoming package
Detected during import deep-enrich-pass2-2026-09-batch10
electrical.accuracy_class Review required
0.5 — stored value
class 0.5 — incoming package
Detected during import deep-enrich-pass2-2026-09-batch10
Додаткові задокументовані параметри
Записано дослівно з джерела; поля схеми для них поки немає.
| builder_completeness | complete |
| region_notes | Siemens SENTRON 4NC bushing-type CT; the TED per-article data sheet is the worldwide English edition. |