Description
Phoenix Contact – VAL-MS-T1/T2 1000DC-PV/2+V
Combined Type 1 + Type 2 DC Surge Protection Device for Photovoltaic Systems
Maximum Protection for Your Solar Investment
The Phoenix Contact VAL-MS-T1/T2 1000DC-PV/2+V is a premium, combined Type 1 and Type 2 DC surge arrester specifically engineered for photovoltaic (solar) power systems. Designed to protect solar inverters, charge controllers, and connected equipment from the destructive effects of direct and indirect lightning strikes as well as switching overvoltages, this device is an essential safeguard for every professional solar installation.
Key Features
Combined Type 1 + Type 2 Protection in One Device This surge protection device integrates both Type 1 (Class B) and Type 2 (Class C) protection in a single, compact unit — eliminating the need for separate devices and simplifying system design and installation. It handles both the high-energy impulse currents from direct lightning strikes and the residual surge currents that can damage sensitive electronics.
1000V DC Rated — Purpose-Built for PV Systems With a maximum continuous operating voltage of 1000V DC, the VAL-MS-T1/T2 1000DC-PV is fully optimized for modern photovoltaic string and central inverter systems, including high-voltage PV arrays commonly used in residential and commercial solar installations.
2-Pole + V (Varistor) Design The /2+V configuration provides 2-pole protection (positive and negative DC conductors) combined with an additional varistor-based protection stage — delivering a multi-layer defense against a wide spectrum of surge events for maximum reliability.
Remote Signaling / Status Indication Equipped with a visual defect indicator and support for remote fault signaling, the device allows installers and maintenance teams to instantly identify when a module has been triggered or needs replacement — minimizing system downtime.
Pluggable & DIN Rail Mounted The device features a pluggable design with a base and replaceable protection module, allowing for fast and tool-free module replacement without disconnecting wiring. Standard DIN rail mounting (35mm) ensures easy integration into any DC combiner box, inverter cabinet, or distribution board.
High Surge Current Handling With an impulse current rating of up to 12.5 kA (10/350 µs) for Type 1 and 40 kA (8/20 µs) for Type 2, this device reliably handles real-world lightning and switching surge events that would otherwise destroy inverter input stages.
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