Panel | Digital ammeter with overcurrent protection and warning alarm | 0.1-999A | 150-270VAC

Technical Specifications

Operating Voltage: 150V - 270V AC
Operating Frequency: 50/60 Hz
Power: <4VA
Operating Temperature: -20°C to +55°C
Measurement Range: 0.1A - 999A (using a current transformer)
Measurement Accuracy: ±2%
Display: Three-line LED display (3 x 20 mm and 3 x 14 mm characters)
Connection Type: Plug-in terminal
Maximum Wire Diameter: 1.5 mm²
Weight: Max. 300 g
Mounting Hole: 91x91 mm
Mounting: Panel mounting at the front
Operating Height: <2000 m above sea level
Functions and Features

Automatic Overcurrent Protection – When the current exceeds the set limit, the relay automatically disconnects the load and activates the error indicator.
Audible and Visual Alerts – The device alerts about overcurrent via an audible signal and LED indication.
Adjustable Current Limit – The desired current limit and protection activation value can be set.
Automatic Recovery – When the current drops to 0.5A below the set limit, the relay reconnects the circuit.
High Measurement Accuracy – ±2% accuracy ensures reliable current monitoring.
Wide Measurement Range – From 100mA to 999A with a suitable current transformer.
Energy Saving – Low energy consumption (<4VA).
Convenient Control – Settings are easily adjusted using control buttons.
Reliable Construction – Resistance to electrical interference and safe insulation.
Versatile Application – Suitable for both domestic and industrial use.
Usage

This ammeter can be used in various fields where accurate current monitoring and protection are required:

In industrial electrical systems – for protecting motors, pumps, and other electrical devices from overloads.
In automation control panels – integrated into panels where continuous current monitoring is needed.
For overcurrent protection – used for protecting electrical circuits and devices from overloads.
In electrical distribution systems – for monitoring and controlling electrical distribution cabinets.
For household protection – suitable for use at home, protecting essential electrical appliances from overloads.
Pros:

Accurate and reliable overcurrent protection
Audible and visual warning about faults
Wide measurement range up to 999A
Automatic system recovery after normalization
Low energy consumption
Easy to install and configure
Can operate in both protection and monitoring modes
Cons:

May require an additional current transformer when measuring large currents
Requires proper wiring according to the schematic for accurate measurement
Not suitable for use in very humid environments
The digital ammeter with overcurrent protection and warning signal is a versatile and reliable device suitable for both industrial and household purposes. It not only monitors electrical current but also protects the system from overloads, ensuring the longevity and safety of electrical devices. This device is especially useful in electrical distribution panels, automation systems, and various industrial equipment where precise current control is important.