Brand: Dehn Item: Surge Protective Device (SPD) Connection: 3-wire 16 AWG pigtail IP Rating: IP67 Series: DPI-CD Housing Material: Stainless steel Mounting: 1/2in-14 NPSM Application: Hazardous location rated Circuit Type: Parallel circuit Channels: 2 lines or 1 pair Surge Protection Type: Data & signal protection Signal Types Protected: 0-20mA, 4-20mA, Fieldbus systems, intrinsically safe signals Neutral Ground Protection: No System Voltage: 24VAC/VDC Voltage Protection Rating (VPR): 58V (L-L), 1700V (L-G) Dehn DPI-CD series data & signal Surge Protective Device (SPD), 24VAC/VDC, parallel circuit, 2 lines or 1 pair, IP67, 1/2in-14 NPSM mount.