The TOMZN TOVPD1-60-EC is a multi-functional, adjustable protective device designed to safeguard single-phase electrical systems against unstable voltage conditions and overcurrent events. This device integrates an over-voltage protector, under-voltage protector, and over-current protector into a single compact DIN-rail module.
This comprehensive guide offers a complete dissection of the user manual, covering everything from initial installation to advanced parameter adjustments, troubleshooting, and real-world applications.
If the displayed voltage differs from a known accurate meter, the device allows ±10 % adjustment. Enter the calibration mode (parameter A13) and fine‑tune the reading using the UP/DOWN buttons.
If you need a specific diagram from the manual (wiring terminals, error codes, or mounting depth), reply here and I can transcribe the exact section from the OEM manual PDF. tomzn tovpd1-60-ec manual
UPS systems and battery chargers are often sensitive to both over‑voltage and under‑voltage. The TOVPD1‑60‑EC prevents these devices from operating outside their safe input range.
The TOMZN TOVPD1-60-EC features an intuitive keypad and display system for configuring its protection parameters. The manual details the following navigation structure:
: Enters the menu, saves settings, and cycles through parameters. If the displayed voltage differs from a known
To protect a sensitive refrigerator, set P1=255V, P2=185V, P3=120s.
The TOMZN TOVPD1-60-EC is a multi-functional protective relay designed to monitor single-phase, two-wire AC active energy systems. Its primary function is to safeguard electrical circuits and connected equipment by disconnecting the load when the voltage or current exceeds or falls below pre-set safety thresholds. Once the voltage or current returns to a permissible range, the relay automatically reconnects the circuit, ensuring continuous operation without manual intervention.
Check your primary breaker; verify 220V lines are secured tightly to top terminals. Device is in its startup delay or fault recovery phase. UPS systems and battery chargers are often sensitive
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| Parameter | Value / Range | |:---|:---| | | TOVPD1-60-EC | | Power Supply | 230V AC, 50/60Hz | | Rated Current | 60A (adjustable trip thresholds available) | | Load Power Adjustment | 1 ~ 40A adjustable (Default: 40A) / 1 ~ 63A adjustable | | Overvoltage Trip Range | 230V ~ 300V ~ OFF (Default: 270V) | | Overvoltage Recovery Range | 225V ~ 295V (Default: 250V) | | Overvoltage Trip Time | 0.1s ~ 30s (Default: 0.5s) | | Overvoltage Recovery Delay | 1s ~ 500s (Default: 30s) | | Undervoltage Trip Range | 140V ~ 210V ~ OFF (Default: 170V) | | Undervoltage Recovery Range | 145V ~ 215V (Default: 190V) | | Undervoltage Trip Time | 0.1s ~ 30s (Default: 0.5s) | | Undervoltage Recovery Delay | 1s ~ 500s (Default: 30s) | | Overcurrent Adjustment Range | 1-40A (Default: 20A) / 1-63A (Default: 40A) | | Overcurrent Trip Time | 0.1s ~ 30s (Default: 0.5s) | | Power-On Delay | 1s ~ 500s (Default: 10s) | | Voltage Calibration Range | ±10% adjustable (Menu Option A13) | | Power Consumption | < 2W | | Electrical Life | 100,000 cycles | | Mounting | 35mm DIN Rail |
According to official TOMZN documentation and the user manual, the TOVPD1-60-EC packs a comprehensive suite of protective functionalities into a single module:
: Cuts power if the voltage drops too low (default is often 170V). Over-Current Protection
: Limits current to prevent circuit overloads (Default: 40A or 63A depending on model).