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2858043 PT 3-HF-12DC-ST

2858030 PT 3-PB-ST

2856032 PT 1X2-24DC-ST

2838228 PT 2X2-24DC-ST

2838775 PT 5-HF-12DC-ST

2838322 PT 4X1-24DC-ST

 

Phoenix Contact Surge Protection Plugs

Model	Nominal Voltage	Max Discharge Current	Application
PT 3-HF-12DC-ST (2858043)	12V DC	10kA	Protection for floating signal wires in IT systems
PT 3-PB-ST (2858030)	5V DC	10kA	Protection for floating signal wires in IT systems
PT 1X2-24DC-ST (2856032)	24V DC	10kA	Protection for 2-wire floating signal circuits, HART-compatible
PT 2X2-24DC-ST (2838228)	24V DC	10kA	Protection for two 2-wire floating signal circuits, HART-compatible
PT 5-HF-12DC-ST (2838775)	12V DC	20kA	Protection for four signal wires, HF circuit
PT 4X1-24DC-ST (2838322)	24V DC	10kA	Protection for four conductors of signal circuits grounded on one side

Key Features Across the Series

✅ High Surge Protection – Handles up to 10kA–20kA discharge current.
✅ Compact & Pluggable Design – Easy integration into control panels.
✅ HART-Compatible Models – Ideal for measurement and control technology.
✅ Wide Voltage Range – Supports 5V, 12V, and 24V DC applications.
✅ IEC & VDE Certified – Meets industry standards for surge protection.