Iskra WM3M4C
Official manufacturer EU перевірено 23 вересня 2026 р.
Identity
| category | smart_meters |
| manufacturer | Iskra |
| model | WM3M4C |
| region | EU |
Electrical
| accuracy_class |
Class 1 (EN 62053-21) / Class B (EN 50470-3)
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| ct_required |
False
Energy meters WM3M4 & WM3M4C
|
| digital_signature_ocmf |
True
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| direct_connect |
True
Energy meters WM3M4 & WM3M4C
|
| display |
2 row display 6+2 digit (10 Wh resolution) with backlight
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| frequency_hz |
[50, 60]
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| max_current_a |
40
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| mid_approved |
True
Energy meters WM3M4 & WM3M4C
|
| min_current_a |
0.25
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| modbus_default_address |
33
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| optical_ir_port |
True
Energy meters WM3M4 & WM3M4C
|
| phase_count |
3
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| pulse_output_imp_kwh |
1000
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| rated_voltage_v |
3x230/400 V (-20%...+15%)
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| reference_current_a |
5
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| rs485_baud_rate |
1200 to 115200 bit/s (default 115200 bit/s)
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
Physical / mechanical
| depth_mm |
69.4
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| height_mm |
84.0
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| width_mm |
53.6
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
Installation
| mounting |
DIN rail, 3 DIN modules
Energy meters WM3M4 & WM3M4C
|
Environment
| ip_rating |
IP50
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| operating_temperature_max_c |
70
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
| operating_temperature_min_c |
-25
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
Interfaces & connectors
| documented_ports | [{'port_role': 'RS485', 'port_label_from_manual': 'RS485', 'port_type': 'RS485 2-wire', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical data', 'quote': 'RS485 Protocol MODBUS RTU'}, {'port_role': 'AUX', 'port_label_from_manual': 'IR (optical) serial communication', 'port_type': 'Infrared optical port', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical data', 'quote': 'via WM-USB adapter at 19200 bit/s, 8, N, 1, MODBUS RTU, address 33 (locked)'}, {'port_role': 'DIGITAL_OUT', 'port_label_from_manual': 'Pulse output', 'port_type': 'Pulse output', 'direction': 'output', 'electrical_domain': 'communication', 'quantity': 1, 'document': 0, 'page': 'Technical data', 'quote': '1000 imp/kWh'}] |
| protocols |
['Modbus RTU', 'OCMF']
Energy meters WM3M4 & WM3M4C
|
| rs485 |
True
WM3M4 / WM3M4C Data sheet, Ver. 1.09 (P_WM3M4_EN_22433922)
|
Документи
product_page
Energy meters WM3M4 & WM3M4C
Додаткові задокументовані параметри
Записано дослівно з джерела; поля схеми для них поки немає.
| builder_completeness | complete |
| region_notes | MID-approved to EN 50470-3 class B; EU market. Ordering code 022433922100 'WM3M4C 230 energy meter 40 A with digital signature'. |