Browse the full SONOFF POW power monitoring range:
📊 SONOFF POW Origin 16A — Smart Power Meter Switch (POWR136, WiFi, DIN Rail, Budget)
All the essential power monitoring features at a lower price. The SONOFF POW Origin (POWR136) is a WiFi smart switch with built-in power monitoring for circuits up to 16A / 3,520W at 220V. It has the same ESP32 chip, 6-month usage history, overload protection, and app/voice control as the POW Elite — but without the LCD display. All readings are via the eWeLink app only. If you don't need on-device readings, the Origin saves you money. DIN rail mountable. NRCS & ICASA certified. MPN: POWR136.
⚡ Key Features
- 16A / 3,520W Maximum Load — standard 16A circuit support; handles lighting, plug circuits, appliances up to 16A
- Real-Time Power Monitoring — view power (W), current (A), voltage (V), and cumulative energy (kWh) in the eWeLink app
- 6-Month Power Usage History — hourly-resolution data; export to Excel (.xlsx) for billing and energy audits
- Overload Protection — set custom thresholds for power, voltage, and current; relay auto-trips if exceeded
- Daily/Monthly Consumption Goals — push notifications when you reach your energy budget
- No LCD Display — all readings are via the eWeLink app only; this is what makes the Origin cheaper than the Elite
- ESP32 Chip — same fast, reliable chip as the Elite; stable WiFi, OTA updates
- DIN Rail Mountable — standard 35mm DIN rail for DB board installation
- Inching Mode — pulse the relay for a set duration; useful for momentary switching applications
- LAN Control — local network control when internet is down (eWeLink LAN mode)
- Tasmota / ESPHome Compatible — ESP32 can be flashed for full local control
🏠 Perfect For
Budget Energy Monitoring
Get all the power monitoring features at a lower price point. If you're only checking readings on your phone anyway, you won't miss the LCD. Perfect for monitoring multiple circuits affordably.
Multi-Circuit Deployments
Installing power monitors on 5+ circuits? The Origin's lower price makes it cost-effective to monitor every circuit in your DB board without breaking the budget.
Tenant Sub-Metering
One per unit. Export monthly Excel data for billing. The Origin provides the same data accuracy as the Elite at a lower per-unit cost.
Home Assistant Integration
If you're running Tasmota or ESPHome, the LCD is irrelevant — your dashboards show all the data. Save money and get the same ESP32 hardware.
📋 Technical Specifications
| Product | SONOFF POW Origin Smart Power Meter Switch |
| MPN / Model | POWR136 |
| Max Load | 16A / 3,520W @ 220V AC |
| Input Voltage | AC 100–240V, 50/60Hz |
| Display | None (app-only readings) |
| Relay | Built-in — inline switching |
| Wiring | Neutral wire required (L-in, L-out, N) |
| Usage History | 6 months · Hourly resolution · Excel export |
| Overload Protection | Yes — custom power, voltage, current thresholds |
| Chip | ESP32 |
| WiFi | 2.4 GHz 802.11 b/g/n |
| Mounting | DIN rail (standard 35 mm) |
| Enclosure | Flame-retardant V-0 |
| Certifications | NRCS · ICASA · CE · FCC |
| Home Assistant | eWeLink add-on · SonoffLAN · Tasmota · ESPHome |
| Voice Control | Amazon Alexa · Google Assistant |
| App | eWeLink (iOS & Android) |
| Warranty | 1 Year Manufacturer Warranty |
❓ Frequently Asked Questions
What's the difference between POW Origin and POW Elite?
Is there a 20A version of the Origin?
Is it NRCS and ICASA approved?
Can I flash Tasmota?
🤝 Need Help? We're Here for You!
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8 Wildebraam Street
Weltevreden Park, Roodepoort
Gauteng, 1709
Smart Metering. Smart Price.
Same monitoring power as the Elite — minus the LCD. NRCS & ICASA certified.