User Manual: Three-Phase Adjustable Over/Under Voltage Заштитник

1. Вовед

The SINOTIMER STVP series automatic over-voltage и под-волtage protector is designed for three-phase 3*127V/220VAC power systems with a rated working current of 80A. This device provides essential protection for electrical equipment by instantaneously cutting off the power supply when over-voltagд, под-волtage, or over-current conditions are detected. Once the circuit voltage returns to normal, the protector automatically restores power, ensuring continuous operation and safeguarding your appliances from damage.

This protector integrates multiple protection functions including over-voltagд, под-волtage, over-current, three-phase current (voltage) imbalance, phase sequence (reverse phase), zero-break, and phase-break protection. It also features voltmeter and ammeter functions, and the ability to restore factory settings. The device offers comprehensive features, stable performance, and ease of operation.

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2. Клучни карактеристики

• Над-волtagд заштита
• Под-волtagд заштита
• Заштита од прекумерна струја
• Автоматско обновување
• Voltage display (separate ABC phase voltagмерење)
• Ampere display (separate ABC phase ampere measurement)
• Трифазен ampere unbalance protection
• Phase sequence protection (reverse phase protection)
• Zero line break protection
• Заштита од неуспех на фаза
• Fault inquiry function
• Rotation display of voltage and current for each phase
• Adjustable over-voltage protection value and recovery value
• Adjustable under-voltage protection value and recovery value
• Adjustable over-current protection value and action time
• Adjustable 3-phase ampere unbalance protection value and action time
• Adjustable delay time after power-on
• Adjustable fault recovery delay time
• Factory data reset function

3. Спецификации на производот

4. Информации за безбедност

• Инсталирањето и одржувањето треба да го вршат само квалификувани електричари.
• Пред каква било инсталација или ожичување, осигурајте се дека напојувањето е исклучено.
• The device does not provide overload or short-circuit protection. It must be used in conjunction with appropriate external circuit breakers (e.g., C45, C65 mini circuit breakers) for comprehensive protection.
• Проверете дали сите жичени врски се безбедни и точни пред да вклучите напојување.
• Do not operate the device in wet or hazardous environments.

5. Инсталација

5.1 Физички димензии

5.2 Монтирање

The protector is designed for 35mm DIN rail installation. Snap the device onto the DIN rail securely.

5.3 Дијаграм за поврзување

Connect the input and output terminals as shown in the diagram below. Ensure correct phase (L1, L2, L3) and neutral (N) connections. The input terminals are located at the top, and output terminals at the bottom.

6. Поставување и конфигурација

За да влезете во режимот на поставување, притиснете и задржете го ПОСТАВЕТЕ button for 3 seconds. Then, continuously press ПОСТАВЕТЕ to cycle through the parameters. Use the ▲ и ▼ buttons to adjust the values. When "ENd" appears, press ПОСТАВЕТЕ again to save the data and exit the setting mode.

If no operation is performed within 10 seconds after pressing ПОСТАВЕТЕ, the device will automatically exit the setting mode, and any unsaved changes will be lost.

6.1 Parameter Settings Table

6.2 Фабричко ресетирање

To reset the device to factory settings, press and hold the ▲ и ▼ копчиња истовремено за 3 секунди.

7. Операција

Once installed and configured, the device will continuously monitor the three-phase power supply. The LCD screen will automatically rotate to display the real-time voltage and current for each phase (L1, L2, L3).

Во случај на над-волtagд, под-волtage, or over-current event, the protector will automatically trip and cut off the power supply to protect connected equipment. After the fault condition clears and the recovery delay time has passed, the device will automatically restore power.

8 Смена на проблеми

8.1 Испитување на грешка

If a fault occurs, the device will display an error code (E0). You can press the ▲ button to query the last 5 fault records (E1-E5). The display will indicate:

• ">U" for overvoltagе настани.
• "<U" for undervoltagе настани.

8.2 Phase Sequence Error

If the LCD displays "ABC" character, it indicates a phase sequence error. To correct this, arbitrarily reverse any two of the three phase lines (L1, L2, L3) at the input.

9. Одржување

• Одржувајте го уредот чист и без прашина и влага.
• Regularly check wiring connections for tightness and signs of wear or damage.
• Do not attempt to repair the device yourself. Refer to qualified personnel for service.

10. Гаранција и поддршка

For technical support, inquiries, or warranty claims, please contact the distributor: