Tomzn Tovpd1-60-ec - Manual

The display shows the over-voltage threshold symbol (often indicated by a high voltage value like 270 ). Use or ▼ to change the limit. Press SET to save and move to the next option. 2. Under-Voltage Protection Value

1s–500s delay (default 30s), 100,000+ mechanical operations. Installation and Wiring Mounting: 35mm DIN rail.

The is a single-phase, DIN-rail mounted adjustable protector designed to safeguard appliances from over-voltage, under-voltage, and over-current faults. It features an automatic recovery function, allowing it to restore power once electrical conditions return to normal. Key Technical Specifications Range / Specification Default Setting Rated Voltage AC 230V, 50/60Hz Rated Current 1A – 63A (Adjustable) 60A or 63A Over-Voltage Protection 230V – 300V – OFF Under-Voltage Protection 140V – 210V – OFF Power-On Delay Time 1s – 500s Protection Action Time 0.1s – 30s Installation 35mm DIN Rail Common Menu Parameters (A1-A13) tomzn tovpd1-60-ec manual

If grid voltage exceeds your preset limit, the device cuts off power within 0.1 seconds to prevent appliance damage.

The recovery thresholds are set too close to ambient grid fluctuations. The display shows the over-voltage threshold symbol (often

The device trips when voltage drops below a minimum safe level.

Response time for tripping is adjustable from 0.1–60 seconds. Functional Features The is a single-phase, DIN-rail mounted adjustable protector

Monitor your live grid voltage fluctuations and slightly widen the safe operating limits. Total load exceeds the set current limit.

| 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 |

AC 230V–300V (Default: 270V)