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This 63A single phase intelligent automatic reset voltage protector is a high-performance electrical protection solution, purpose-built for commercial circuit systems with a rated voltage of AC 220V and compatibility with 50/60Hz frequencies. Equipped with an intuitive dual digital display for real-time voltage and current monitoring, it delivers fully customizable protection across over-voltage (230-300V), undervoltage (140-210V) and overcurrent (1-63A) events, with adjustable trip and reset delay settings to align with diverse commercial project specifications.
Engineered to mitigate equipment damage, unplanned downtime and financial loss caused by grid voltage fluctuations, overcurrent faults and electrical abnormalities, this IP20-rated protection device is the optimal choice for electrical distributors, commercial contractors, system integrators and OEM equipment manufacturers seeking reliable, adaptable circuit protection for commercial deployments.
The protector features fully configurable over-voltage (230-300V), undervoltage (140-210V) and overcurrent (1-63A) protection thresholds, paired with 0.1-30s adjustable trip times and 1-500s reset delays. This flexibility eliminates the need for multiple SKUs for inventory management, and enables seamless adaptation to regional electrical codes and unique commercial project requirements.
The dual-screen design simultaneously displays real-time voltage and current readings, with a one-click function to query the latest fault records. This eliminates the need for additional on-site testing equipment, allowing commercial maintenance teams to quickly diagnose and resolve issues, cutting on-site labor costs and minimizing downtime for commercial facilities.
With an adjustable 1-500s reset delay, the device automatically restores power supply once grid parameters return to the normal operating range, with no manual on-site intervention required. This makes it ideal for chain retail locations, unattended commercial sites and remote projects, eliminating revenue loss associated with extended power outages.
It delivers robust triple protection against over-voltage, undervoltage and overcurrent events, with configurable 0.1-30s action times and a 1-20× continuous overcurrent fault threshold setting. The device fully aligns with global commercial building electrical safety standards, reducing project liability risks and protecting high-value commercial equipment from irreversible electrical damage.
The standard DIN rail mounting form factor, with a compact 36×45mm footprint, fits seamlessly into all conventional commercial distribution boxes. This design drastically reduces installation man-hours for electrical contractors, with no custom panel modifications required, making it perfect for high-volume commercial new construction and retrofit projects.
Core Parameter | Standard Specification | Commercial Fit Notes |
Rated Voltage | AC 220V | Aligns with global commercial single-phase power system standards |
Operating Voltage Range | AC 80-400V | Withstands extreme grid fluctuations common in commercial electrical environments |
Rated Frequency | 50/60Hz | Compatible with all mainstream commercial power grids worldwide |
Maximum Rated Current | 63A | Fits the majority of commercial branch circuit load requirements |
over-voltage Protection Setting Range | 230-300V | Fully adjustable to meet regional commercial electrical safety codes |
Undervoltage Protection Setting Range | 140-210V | Customizable for sensitive commercial equipment protection |
Overcurrent Protection Setting Range | 1-63A | Configurable to match varying load requirements across commercial project types |
Over/Under Voltage Trip Delay | 0.1-30s | Adjustable to prevent nuisance tripping in unstable commercial grid environments |
Reset/Power-On Delay Time | 1-500s | Configurable for sequenced restart of commercial equipment to avoid inrush current |
Voltage Measurement Accuracy | ±2% | Delivers reliable, consistent monitoring for commercial maintenance and compliance reporting |
Protection Level | IP20 | Optimized for indoor commercial distribution panel installation |
Mounting Type | Standard 35mm DIN Rail | Enables fast, low-cost installation for batch commercial projects |
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Provides reliable protection for lighting systems, HVAC equipment, elevator controls and office automation devices in high-rise office buildings, shopping malls and mixed-use commercial complexes, preventing equipment damage and ensuring continuous operation of critical building systems.
Ideal for chain retail outlets, supermarkets and convenience stores, safeguarding POS systems, commercial refrigeration equipment, in-store lighting and digital signage from grid-related damage. The automatic reset function minimizes business downtime and eliminates the need for after-hours on-site maintenance.
Widely deployed by electrical contractors for commercial new construction, renovation and retrofit projects, with fully adjustable parameters to meet diverse project specifications, local electrical codes and client requirements.
Suitable for OEM integration into commercial kitchen equipment, industrial cooling systems, laundry equipment and other single-phase commercial devices, providing built-in, reliable circuit protection to extend equipment service life and reduce warranty claims for manufacturers.
Perfect for remote commercial sites, self-service kiosks, unmanned retail locations, telecom base stations and outdoor commercial equipment, with automatic reset functionality eliminating the need for costly on-site manual power recovery after grid faults.
This 63A single phase voltage protector features a standard DIN rail design for fast, tool-free installation in commercial distribution panels. Follow this step-by-step guide for correct, code-compliant wiring:
Mount the protector securely on a standard 35mm DIN rail within the commercial distribution enclosure, ensuring stable fixation and clear access to terminals.
Connect the incoming AC 220V live wire (L) to the "IN" terminal, and the incoming neutral wire (N) to the dedicated "N" terminal on the device.
Connect the outgoing live wire from the "OUT" terminal to the commercial load circuit, and link the outgoing neutral wire to the load-side neutral busbar.
Verify all wiring connections are tight and correctly routed, then power on the device to configure protection parameters aligned with your commercial project requirements. ×End setting: press the SET key to exit the settings menu after configuration is complete.
Important Safety Note: This device must be installed and commissioned by a qualified commercial electrician, in full compliance with local electrical safety regulations and codes.
This adjustable voltage protector has a maximum rated current of 63A, with a fully configurable overcurrent protection range of 1-63A, making it suitable for the vast majority of commercial single-phase circuit applications.
Yes. The over-voltage protection threshold is adjustable from 230V to 300V, and the undervoltage protection range is configurable from 140V to 210V, with customizable trip and reset delay times to fit your commercial project’s specific requirements.
Yes, this is an intelligent automatic reset voltage protector. It will automatically reset and restore power supply once the voltage or current returns to the preset normal operating range, with an adjustable reset delay time of 1-500s, eliminating the need for manual on-site intervention.
