Clip the device onto a standard inside your distribution box. Connect the main live feed wire to the IN-L terminal. Connect the main neutral wire to the IN-N terminal.
The TOVPD1-60-EC is an intelligent over/under voltage protector with a 60-amp capacity. It is designed to cut off power to your home or equipment when voltage fluctuates dangerously (surges or brownouts) and automatically reconnect once the grid stabilizes.
Used to increase or decrease numeric values during programming. Parameter Settings and Programming Matrix
| Symptom | Possible Cause | Remedy | |---------|---------------|--------| | The relay does not close (no output) | Voltage outside the safe range, or power‑on delay active | Check voltage display; wait for delay time to expire | | Frequent tripping on over‑voltage | Supply voltage fluctuating above threshold | Increase the over‑voltage set point or check the mains supply stability | | Frequent tripping on under‑voltage | Supply voltage dropping below threshold | Lower the under‑voltage set point or verify that the supply wiring is adequate | | Relay trips on over‑current immediately after starting a motor | Motor starting current exceeds the over‑current setting | Increase the over‑current threshold or extend the protection action time to ignore short inrush current | | Display shows “none” or a fault code | Last trip was due to a protection event | Press and hold UP for 12 s to view the fault reason | | Settings lost after power off | Possible internal memory failure (rare) | Re‑enter settings; if problem persists, contact TOMZN support | tomzn tovpd1-60-ec manual
| Label / LED | Status | Meaning | |-------------|--------|---------| | Green LED (Power/OK) | ON steady | Voltage normal, relay closed | | Red LED (Fault) | ON steady | Over or under voltage detected – relay open | | Red LED (Fault) | Flashing | Delay/recovery period active | | Test button (if present) | Press | Simulates over-voltage trip (check function) | | Reset button (manual) | Press & hold | Force re-check & reset after fault |
: Press the first button to manually turn the load ON or OFF (displays "oFF" when deactivated).
The installation of the Tomzn TOVPD1-60-EC should be performed by a qualified electrician to ensure safety and compliance with local electrical codes. It is typically installed at the point of entry of the electrical supply into a building or in a distribution panel. This strategic placement allows it to protect all downstream electrical devices. Clip the device onto a standard inside your distribution box
140V–210V (Default: 170V)
The screen will display the first parameter code (e.g., A1 ). Use the or Down arrows to alter the numerical value.
: Brownouts or sag conditions occurred. The unit cuts power to save inductive loads (like refrigerator compressors) from burning out. Parameter Settings and Programming Matrix | Symptom |
MAIN INPUT (From Grid/Source) | | v v +----------------+ | L (IN) N (IN) | <-- Top Terminals | | | [ DIGITAL ] | | [ DISPLAY ] | | | | L(OUT) N(OUT) | <-- Bottom Terminals +----------------+ | | v v LOAD (To Household/Appliances) Interface and Display Indicators
: The "EC" in the model number suggests compliance with certain European standards or regulations, possibly indicating that the device meets specific requirements for safety, electromagnetic compatibility, or environmental protection.
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