Blog

Something About T2 DC Surge Protection Device (DC SPD)

DC Surge Protection Device ( DC SPD) is designed to limit transient over voltages of atmospheric origin and divert current waves to earth, so as to limit the amplitude of this over voltage to a value that is not hazardous for the electrical installation and electric switchgear. Type 2 DC Surge Protection Device ( DC SPD): […]

How to choose the best technology for surge protective devices

To choose the best technology for surge protective devices, we should consider the following technical parameters (include but not limited to): 1. Type of surge protective devices according to EN61643-11/IEC 61643-11 2. Nominal Voltage (Un) 3. Maximum Continuous Operating Voltage (Uc) /Maximum Continuous Operating Voltage for PV System (Ucpv) 4. Voltage Protection Level (Up) 5. Nominal Discharge Current (In) 6. Maximum Discharge […]

MC4 Solar Connector Male and Female

Product Size:For 2.5mm,4mm,6mm cable Product Material:Tinned Copper, PPO MC4 Solar Connector is specialized used in Solar PV system between the solar panel and Inverter or controller box. They’re  UV resistance and IP68 waterproof ,can be working outdoor for 25years. Excellent characteristics of MC4 Solar Connector: 1. Compatible MC4 2. Standard thickness 0.4 terminals 3. Simple on-site processing 4. Mating safety […]

Surge Protective Device

Ylong offers the most comprehensive portfolio of Type 1 and Type 2 surge protective devices that can be externally or internally mounted. They help reduce costly downtime while protecting sensitive electronic equipment against damaging effects of transients caused by lightning, utility load switching, internal load switching, and more.

Type 1-Voltage Limited Type Surge Protective Device(SPD)

GENERAL INFORMATION of Type 1-Voltage Limited Type Surge Protective Device(SPD)  l Varistor surge protective device (AC SPD) l Large discharge energy. l No leakage and no follow current. l Applied to surge protection at the first stage of the power supply system. l Strong environmental resistance. l DIN rail installation.

DHEN Type SPD Type 2-Surge Protective Device(SPD)

GENERAL INFORMATION l Single-pole/ Two-pole/ Three pole/ Four pole varistor surge protective device (AC SPD) l Visual indication and optional remote contact signaling(S). l The Prewired complete unit consisting of a base part and replaceable plug-in protection modules. l Installation at the boundary of zones LPZ1 and LPZ2. l The Modular surge arrester for use in AC or DC PV system. l DIN […]