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Home > Others > OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
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OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies
OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies

OEM 80A Three-Phase Intelligent Electrical Fire Current-Limiting Protector Manufacturers, Companies

The 80A Three-Phase Electrical Fire Current-Limiting Protector is an advanced safety device designed to prevent electrical fires. It features real-time monitoring of current, voltage, temperature, and fault arcs. Upon detecting a short circuit or arc fault, it rapidly limits current within microseconds to extinguish arcs instantly. Integrated with RS485 and 4G communication, it uploads data to the cloud for remote monitoring. This comprehensive solution ensures reliable protection for industrial and commercial power systems.

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Product Description

Technical Parameters

ItemSpecification
Rated Current20A/32A/40A/50A/63A/80A
Supply Voltage220VAC (175~250V)
DisplayChinese LCD Screen
Short Circuit Protection<150us
Overload ProtectionRange: 0~100%; Delay: 0~60s
Overvoltage ProtectionRange: 221~300V; Delay: 0~60s
Undervoltage ProtectionRange: 100~219V; Delay: 0~60s
Wire Temperature MonitoringRange: 0~85℃; Delay: 0~60s
Leakage Current MonitoringRange: 30~1000mA; Delay: 0~60s
CommunicationRS485, Wireless LORA, NB-IoT, 4G (Optional)
Operating Temperature-20~85℃
Product Dimensions300*210*140mm
InstallationBottom Screw Mounting

Product Display

real-time-monitoring-and-data-display
smart-current-limiting-arc-fault-detection

Outline and Installation Dimension

Outline and Installation Dimension
300(L)*210(W)*140(H) mm

Operation & Status Indicators

This section details the system's visual feedback and user control interface.

Indicator Definitions
Run Indicator: Constantly on after power-up; flashes once every second during communication.
Fault Indicator: Illuminates if the internal heatsink temperature is too high or if the external temperature sensor wire is open/shorted.
Alarm Indicator: Lights up during overvoltage, undervoltage, overload, short circuit, internal/external overheating, or excessive leakage current.
Short Circuit Indicator: Activates when a short circuit is detected in the load equipment.
Silence Indicator: Illuminates when the alarm or fault sounder is silenced.
Closed Switch Indicator: Lights up when the circuit is closed and turns off when open.
Button Definitions
Self-Test: Restarts the device and checks the buzzer, indicators, and LCD screen.
Set: Enters the settings menu to configure thresholds, protection parameters, and delay times.
Reset: Rechecks all channel parameters and determines the status regardless of the current state.
Query: Allows checking the device number, alarm records, and power consumption data.
Silence: Mutes the alarm sound while keeping the indicator active until the fault is cleared.
Return: Exits to the previous menu level.
Direction: Used to move the cursor or change parameter values.

Frequently Asked Questions

What is the response speed for short circuit protection?
The system provides ultra-fast short circuit protection with a response time of less than 150us.
What communication protocols does the device support?
The device supports RS485 as standard, with optional Wireless LORA, NB-IoT, and 4G communication modules.
Can I adjust the overload and voltage protection thresholds?
Yes, the protection ranges and delay times for overload, overvoltage, and undervoltage can be configured via the "Set" menu.
How is the device installed?
The unit is designed for bottom screw mounting, providing a secure installation for its 300*210*140mm frame.
What temperature range can the wire monitoring handle?
The wire temperature monitoring system covers a range from 0 to 85℃ with adjustable delay settings.
What should I do if the Fault indicator lights up?
A lit Fault indicator usually signifies either an internal heatsink overheat or an issue with the external temperature sensor wiring (open/short circuit).

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