Phone: +86 18066376807
E-mail: ellen.zheng@mutaiele.com
Over and Under Voltage Protector – MUTAI Electrical Manufacturer
What is Over Voltage and Under Voltage
Over and under voltage are non-standard conditions in your power supply where the level of voltage supplying your system has 1) either exceeded or 2) gone below the safety range you’d ideally like.
● Over Voltage: The supply voltage is too high, which could damage electronic components, shorten the life of the equipment and even lead to potential safety hazards.
● Under Voltage: The power supply voltage becomes too low, resulting in the electricity being too high, overheat, or electrical appliances such as motors and household appliances can not work or fault.
What is Over and Under Voltage Protector
Description: The Over and Under voltage protector is an intelligent device used for protection of electrical equipment against unstable voltage. It is designed to momentarily interrupt the circuit when the electricity reaches a higher or lower voltage, and then reconnect the circuit automatically, providing you with safe and reliable operation of your home appliances, industrial machinery, and commercial systems.
Over and Under Voltage Protector Main Functions
1. Over Voltage Protection
● Power-off automatically when voltage above setting level.
2. Under Voltage Protection
● Cuts off the circuit when voltage falls below, or above.
3. Automatic Recovery
● Power supply recovers automatically after voltage returns to normal.
4. Delay Function
● Avoids frequent trpping due to instantaneous voltage variation.
5. Status Indication
● LED indicators (and optional alarm) to display real-time working status.
6. Comprehensive Protection
● Some models have a overcurrent protection to increase safety.
Parts of Over and Under Voltage Protector
1.Voltage Monitoring – Monitors power supply and indicates power supply status.
2.Control Unit / Logic Circuit - The sensing unit sends signals to the control "circuit" and the logic circuit decides to either charge or discharge the circuit. Some of these models feature a microprocessor for smarter protection.
3.Switching/Relay Unit – disconnects or reconnects the circuit by relays or solid state-switches.
4.Time Delay / Timer -Adds time delay to the switching to eliminate nuisance tripping due to transient voltage surge.
5.Indicator and Alarm unit – LED or display indication of voltage plus optional audible indication of abnormal conditions.
6.Enclosure/Housing - Safety protection and isolate the internal circuit from electric shock or external touch or surroundings.
MUTAI Over and Under Voltage Protector
The MUTAI Over and Under Voltage Protector is a powerful and effective tool specifically designed to safeguard your electrical appliances and equipment against the adverse effects of unstable voltage fluctuations. Provides Full-time Monitoring of the incoming Line voltage and automatically disconnects power to the load if the voltage goes below or above the preset limiting Voltage. The circuit is restored with a delay for smooth, safe and reliable operation after the voltage is stabilized.
Comes With LED lights and optional audible Alarms, it can easily portray system status and supports all home appliance, industrial equipment and commercial purposes.
Safely manufactured with strict ISO 9001 Quality Management and ISO 14001 Environmental Standards, the Over and Under Voltage Protector is built to provide safe and consistent protection and years of trouble free use Manufactured with IEC 60947 and CE, for high-quality performance you can count on, the MUTAI Protector delivers and protects with the best. Small, tough, and easy to mount, it is a recommended solution for ultra reliable voltage protection.
Technical Specifications
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Single Phase Over and Under Voltage Protector |
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Model
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CMTGQ-63-S
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Supply terminals
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N.L
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Rated supply voltage
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AC 220V ; DC 80-300V
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Rated frequency
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40/50/60/70 Hz
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> U setting range
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AC 130-300V ; DC 130-300V
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< U setting range
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AC 80-210V ; DC 80-210V
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Vollage hysteresis
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5V
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Overvoltage trip delay
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0.5s
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Voltage accuracy
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<1%
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Max. operating phase voltage
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350V
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Max. operating current
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40A/63A
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altitude
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≤2000m
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Ambient temperature
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-25℃~+50℃
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Permissable relative humidity
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≤50% at 40℃(without condensation)
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Storage temperature
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-25℃~+55℃
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Function Button Display
Wiring Diagram
Dimensional Drawing
Menu Settings
Applications of Over and Under Voltage Protector
The MUTAI Over and Under Voltage Protector is widely applied in different areas where voltage stability is mandatory:
● Household Appliances: TV, refrigerator, air conditioner, washing machine, etc.
● Industrial Equipment: Motors, production lines, compressors, pumps, and other industrial equipment.
● Commercial Premises: Office buildings, shops, hotels, restaurants.
● Data & Telecom Equipment: servers, data centers, telecom sites and sensitive electronics.
● Energy&Power Systems: Small size substations, solar/wind power generations, UPS systems.
● Educational & Medical Supplies: Labware, devices, lab coats, teaching tools.
It provides all connected equipment with safe, stable, reliable power.
Contact Us
Protect your equipment with confidence! Reach out to MUTAI today for inquiries or custom solutions:
● Phone / WeChat / WhatsApp: +86 18066376807
● Email: ellen.zheng@mutaiele.com
Our team is ready to help you find the perfect over and under voltage protection solution.
