The Phoenix Contact VAL-MS 320/3+1/FM is a reliable Type 2 surge protection device (SPD) for 3-phase power systems. It protects electrical systems from transient over voltages caused by lightning strikes or switching operations. With a 3+1 configuration, it ensures enhanced safety by protecting all phases and the neutral.
Built for DIN rail mounting, it offers fast installation and is suitable for TN-S and TT systems. Furthermore, it includes a remote signaling contact for easy monitoring.
Key Features of VAL-MS 320/3+1/FM
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Type 2 surge arrester – Designed for power distribution protection
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3+1 configuration – Secures L1, L2, L3, and N conductors effectively
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High discharge capacity – Handles up to 40 kA (8/20 µs)
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Remote signaling contact (FM) – Monitors device status remotely
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DIN rail mountable – Saves space in control panels
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Compact housing – Just 71 mm width, ideal for tight spaces
📊 Technical Specifications
Parameter | Value |
---|---|
Nominal Voltage (Uₙ) | 240/415 V AC |
Max. Continuous Operating Voltage (Uᶜ) | L-N: 335 V AC / N-PE: 260 V AC |
Voltage Protection Level (Uₚ) | ≤1.5 kV (L-N), ≤1.9 kV (L-PE) |
Nominal Discharge Current (Iₙ) | 20 kA (8/20 µs) |
Max. Discharge Current (Iₘₐₓ) | 40 kA (8/20 µs) |
Response Time | ≤25 ns (L-N) |
Degree of Protection | IP20 |
Mounting | DIN rail (NS 35/7.5) |
Operating Temperature Range | -40°C to +80°C |
Standards | IEC 61643-11, EN 61643-11 |
Remote Signal Contact | Yes (changeover contact) |
⚡ Why Use This Surge Protection Device?
If you need a dependable Phoenix Contact SPD, this model gives superior protection. It not only defends equipment but also reduces downtime due to surge-related failures. Moreover, it offers peace of mind for system integrators and panel builders.
Choose it for:
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🏭 Industrial control panels
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🔌 Power distribution boards
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☀ Renewable energy systems
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🔧 Commercial electrical setups
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