Details
Electronics-Salon Panel Mount AC/DC Current Sensor Module Board, Based on ACS712 (+/-5Amp)

Load Maximum Current: +/-5Amp, +/-20Amp and +/-30Amp selectable. Panel Mount Version.
The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications.
Output voltage proportional to AC or DC currents.
FR-4 fiber glass PCB, dual copper layers.
Datasheet: https://images-na.ssl-images-amazon.com/images/I/81CRdUi0xWL.pdf

Current Sensor Module Board, +/-5 Amp, Panel Mount Version.

Features：
The item provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications.
Output voltage proportional to AC or DC currents.
FR-4 fiber glass PCB, dual copper layers.
100% new, never used.

Electrical Parameters:
Load Maximum Current: ±5A.
Load Frequency Bandwidth: DC ~ 80 kHz.
Minimum Isolation Voltage: 2.1 kV(RMS).
Sensitivity: 185mV/A.
Operating Voltage: Regulated 5VDC, or 8 ~ 35VDC.
Operating Current: 20mA(max).

Specification:
http://www.audiowind.com/pdf/D-1020.pdf