VAL-MS 320/3+1 – Phoenix Contact Surge Arrester, DIN Rail Module, 71×89.8×65.7 mm

The Phoenix Contact VAL-MS 320/3+1 Surge Arrester is a compact Type 2 device designed specifically for TN-S and TT power systems. Not only does it provide reliable multi-mode surge protection, but it also features a quick visual fault indicator for easy monitoring. Moreover, thanks to its DIN rail mounting design, installation in control panels becomes straightforward. As a result, this surge arrester ensures long-lasting and efficient protection against electrical surges.

Key Features

• Provides reliable Type 2 surge protection for TN-S and TT systems

• Features a compact, divisible two-section DIN rail module

• Includes a visual optical fault indicator for simple monitoring

• Protects multiple modes: L-N, L-PE, and N-PE

• Rated nominal discharge current of 20 kA per mode

• Handles maximum discharge current up to 40 kA

• Low residual voltage ensures effective surge suppression

• Made with halogen-free thermoplastic housing for improved safety

• Ideal for both industrial and commercial applications

Technical Specifications

• Brand: Phoenix Contact

• Model: VAL-MS 320/3+1

• Product Type: Surge Arrester (SPD)

• IEC Classification: Type 2 (T2), IEC Test Class II

• System Compatibility: TN-S, TT

• Nominal Voltage (Un): 240/415 V AC

• Maximum Continuous Operating Voltage (Uc): 335 V AC (L-N, L-PE), 260 V AC (N-PE)

• Nominal Discharge Current (In): 20 kA

• Maximum Discharge Current (Imax): 40 kA

• Rated Load Current: 80 A

• Residual Current (IPE): ≤ 5 µA

• Response Time: ≤ 25 ns (L-N), ≤ 100 ns (L-PE, N-PE)

• Dimensions (HxWxD): 89.8 × 71 × 65.7 mm

• Mounting: DIN rail (NS 35)

• Housing Material: Halogen-free thermoplastic

• Pollution Degree: 2

• Overvoltage Category: III

• Protection Class: IP20

• Weight: Approx. 230 g

• Standards: IEC 61643-11, UL specifications

Why Choose VAL-MS 320/3+1?

You should choose the VAL-MS 320/3+1 because it not only delivers dependable multi-mode surge protection but also responds quickly to surges, minimizing damage. Furthermore, its compact size combined with the clear visual fault indicator significantly reduces system downtime. Therefore, it suits a wide range of industrial and commercial power systems, ensuring safety and reliability.