Learning path

Knowledge Hub

From lightning concepts to low-voltage power-line SPD products—a structured guide for engineers, panel builders, and local partners.

11. Selecting LV Power Line SPDs · Page 6 of 7

Worked Example: Commercial MDB

Walk through a simplified selection.

Scenario

400/230 V TN-S building with external LPS, office + server room loads, history of damaged LED drivers.

Entrance

Type 1+2, 3P+N, suitable Iimp, remote contact, pluggable if maintenance prefers.

Server room SDB

Type 2 with low Up; consider Type 3 at UPS / rack PDU if cable run is long.

Outcome

Staged protection addresses both lightning current at the LPS bond and residual surges at electronics.

← Environment, Enclosure IP and Altitude

Selection Pitfalls to Avoid →

Need help selecting an LV power-line SPD?

Talk to Protec Power about Type 1 / Type 2 staging, product selection, or becoming a local stocking agent in Southeast Asia and the Middle East.

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Factory-backed SPD and access control products built for real-world electrical and security demands.

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Technical guidance, selection support, and partnership-focused service so you can sell and support with confidence.

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