Guias técnicos

48V / -48V Telecom DC Power Protection Guide Looking for a 48V DC SPD, -48V DC SPD, or telecom DC surge protector for a cabinet, base station, or DC distribution...

SPD Parameter Guide · Up / Residual Voltage When buyers compare surge protective devices, the Up value is often misunderstood. A lower Up usually means better voltage limitation, but it...

TT Earthing System SPD Selection For a TT earthing system, SPD selection should not be based only on pole count. This guide explains when to specify a 3+1 SPD, how...

BESS SPD Selection Guide Not sure where surge protective devices should be installed in a battery energy storage system? This guide explains BESS surge protection for battery cabinets, DC bus,...

Technical guide for PLC control panels A PLC cabinet may already have an AC surge protective device at the power input, but that does not automatically protect the PLC signal...

Telecom Base Station SPD Guide A telecom base station SPD solution is not a single surge protector. It is a coordinated protection structure for AC input, -48V DC power, signal/data...

EV Charging Station SPD Selection Guide EV charging stations should not be protected only at the charger terminal. A complete SPD design should consider the main distribution board, sub-distribution board,...

OEM / Private Label SPD Buying Guide Private Label SPD Manufacturer Checklist for OEM Buyers Before you put your brand on an SPD, confirm more than the logo. LEEYEE supports...

Guia técnico de fiação Precisa conectar um contato de alarme remoto SPD a uma entrada digital de PLC? Este guia mostra como conectar contatos secos NO / NC / COM a...

Guia de Verificação de Falha do SPD Não tem certeza se o SPD em um quadro de distribuição, painel OEM ou caixa de combinação solar falhou? Este guia mostra um processo de inspeção prático para manutenção...