The Phoenix Contact VAL-MS 400 ST is a high-performance Type II surge protection device (SPD) designed for three-phase systems. Engineered for industrial and energy infrastructure applications, it safeguards sensitive equipment against transient overvoltages caused by lightning strikes or switching operations.

This device belongs to the renowned VALVETRAB series, offering compact DIN-rail mounting, fast response times, and durable protection. Ideal for use in control cabinets, distribution boards, and renewable energy systems.

⚙️ Technical Specifications:

• Brand: Phoenix Contact
• Model: VAL-MS 400 ST
• Article No.: A-244 28 16 39 9
• Nominal Voltage (Uc): 440 V AC
• Voltage Protection Level (Up): 2.2 kV
• Nominal Discharge Current (Iimp): 20 kA
• Maximum Discharge Current (Imax): 40 kA
• Protection Type: Type II (Class C, IEC 61643)
• Number of Poles: 3
• Mounting: DIN rail

✅ Key Features:

• Reliable overvoltage protection for 3-phase AC systems
• Compact form factor with quick installation
• DIN-rail mounting for easy integration into control panels
• Suitable for industrial automation, power distribution, and solar PV systems

🔒 Protect your equipment from dangerous surges — trust Phoenix Contact’s industry-proven VAL-MS 400 ST.