Surge protector, is a device inserted in the alternating current (AC) utility line to prevent damage to electronic equipment from voltage spikes.

Technical Specification
Rated voltage 12-24VDC	12-24VDC
Electrostatic Discharge Immunity	IEC 61000-4-2:2008 (air discharge ±8KV, direct contact discharge ±6KV)
Lightning surge	IEC 61000-4-5:2014+ A1:2017 ±2KV
Installation place	Outdoor or indoor
Cable diameter	7.3mm-7.6mm
Installation method	By screws
Flammability rating	UL94-V0
Waterproof level	IP67

Additional Information

Pinout

Output

Input

Green - RS485-A (+)

Blue - RS485-B (-)

Yellow - PE

Black - GND

Red - 12-24 VCD

Green > RS485-A(+)

Blue > RS485-B(-)

Yellow > PE

Black > SEN-GND

Red > SEN-VCC