Knowledge Base ›
Smart Meters
Official manufacturer
GLOBAL
verified Oct. 5, 2026
Identity
| brand |
Shelly
|
| category |
smart_meters
|
| manufacturer |
Shelly
|
| manufacturer_key |
shelly
|
| model |
Shelly Pro EM-50
|
| model_key |
shellyproem50
|
| product_family |
Pro EM
|
| product_key |
shelly/smart_meters/shellyproem50@GLOBAL
|
| product_status |
active
|
| region |
GLOBAL
|
| series |
Shelly Pro
|
Electrical
| ac_voltage_nominal_v |
230
|
| ac_voltage_range |
110 to 240 VAC
|
| accuracy_class |
Class 1 (IEC 62053-21) / Class B (EN 50470-3)
|
| bidirectional_metering |
True
|
| channels_count |
2
|
| frequency_hz |
50/60
|
| measurement_type |
2x 50A split-core current transformers included
|
| phase_count |
1
|
| power_measurement |
Active power (W), apparent power (VA), voltage (V), current (A)
|
| rated_current_a |
50
|
| relay_contact_rating |
Dry contact relay rated 16A (for contactor or direct load shedding)
|
| relay_output |
True
|
Physical / mechanical
| depth_mm |
58
|
| din_modules |
1
|
| height_mm |
94
|
| mounting |
DIN-rail 35mm
|
| weight_g |
60
|
| width_mm |
18
|
Interfaces & connectors
| bluetooth |
True
|
| ethernet_rj45 |
True
|
| home_assistant |
True
|
| home_assistant_integration |
Official core Home Assistant native integration with mDNS / CoIoT / local RPC auto-discovery
|
| home_assistant_integration_type |
official_core
|
| modbus_tcp |
True
|
| mqtt |
True
|
| rest_api |
True
|
| wi_fi |
True
|