| PST-ZMAi-90 Specifications | |
| Product Name | Tuya Smart WiFi Power Switch & Energy Meter |
| APP Name | Tuya Smart or Smart Life |
| Material | Flame-retardant PC (V0 grade) |
| Display | LCD liquid crystal display (shows power, energy, etc.) |
| Voltage | 90-250V AC, 50/60Hz |
| Maximum Current Rating | 60A (Instantaneous: 60A) |
| Rated Current | 5-60A |
| Meter Constant | 1200imp/kwh |
| Pricision | 1V |
| Power Consumption (Standby) | ≤1W, 6VA |
| Control Mode | App Remote Control, Voice Control, Manual Pairing |
| Installation Type | DIN Rail Mount (35mm standard) |
| Protection Grade | IP20 (indoor use only) |
| Voice Control Commands | Compatible with Alexa/Google Home voice prompts |
| App Functions | Remote on/off, energy statistics, schedule timing |
| Wire Connection | L (Live) / N (Neutral) input/output |
| WiFi Standards | IEEE 802.11 b/n/g 2.4G Hz |
| Operation Temp. | –45°C to +70°C |
| Humidity | ≤75% |
| Product Size | 79*36*66mm |
| Dimension | 8.5*4*7.5cm |
| Weight | 0.18kg |
| PST-ZMAi-90 Package List | |
| Switch Energy Meter | x1 |
| Installation Matierla Bag | x1 |
| Use Manual | x1 |
| PST-ZMAi-90 Product FAQ | |
| Q1: What WiFi frequency does it support? A: It only supports 2.4GHz WiFi (802.11 b/g/n; 5GHz WiFi is not compatible). |
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| Q2: What’s the maximum power it can handle? A: Up to 13200W (at 220V, 60A) — suitable for most household appliances. |
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| Q3: How do I pair the switch with the app? A: Open the Tuya/Smart Life App, select “Add Device”, and follow the in-app pairing guide (use the “Pair” button on the switch if needed). |
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| Q4: Does it track energy usage? A: Yes, it monitors real-time power, daily/monthly energy consumption (displayed on the app and LCD screen). |
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| Q5: What’s the measurement accuracy of the energy meter? A: It meets Class 1.0 accuracy standards (per IEC 62053-21). |
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| Q6: Can I check historical energy data? A: The app stores the historical energy statistics for review. |
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| Q7: Is it easy to install? A: Yes — it mounts on a standard 35mm DIN rail, with simple L/N input/output wiring. |
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| Q8: What’s the standby power consumption? A: ≤0.5W, which is very low for energy efficiency. |
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| Q9: Can I set schedules or timers? A: Yes — use the app to set automatic on/off schedules or countdown timers. |
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| Q10: How do I reset the device? A: Press and hold the “Pair” button for 5-10 seconds until the indicator flashes to reset. |
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| Q11: Can it be integrated with other Tuya smart devices? A: Yes, it can be integrated into the Tuya IoT ecosystem to work with other smart devices via the app. |
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| Q12: Can multiple users control the same switch? A: Yes — share the device with family members via the Tuya/Smart Life App. |
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| Q13: Can I control it when I’m away from home? A: Yes — as long as the switch is connected to WiFi, you can control it remotely via the app. |
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| Q14: Is this switch suitable for commercial use? A: It’s designed for household use; for commercial applications, check if the 60A rating meets your needs. |
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| PST-ZMAi-90 OEM & ODM Service | |
| Q15. Can make OEM? A: Yes, we can. Box & manual OEM: 1000PCS; Laser logo OEM: 100PCS: |
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