The UL Nominal Discharge Current is defined as the peak value of 8/20 microsecond surge current conducted through the SPD. The SPD must still function after 15 applied surges. The highest nominal discharge current rating by UL is 20kA. A SPD for use at the service entrance in UL 96A Lightning Protection Systems must be [...]
Some key differences between Type 1 and Type 2 SPDs are: External Overcurrent Protection. Type 2 SPDs may require external overcurrent protection or it may be included within the SPD. Type 1 SPDs generally include overcurrent protection within the SPD or other means to satisfy the requirements of the standard; thus, Type 1 SPDs and [...]
Type 1 SPDs (Listed) – Permanently connected, hard-wired SPDs intended for installation between the secondary of the service transformer and the line side of the main service equipment overcurrent protective device, as well as the load side of the main service equipment (i.e. Type 1’s can be installed anywhere within the distribution system). Type 1 [...]
SCCR-Short Circuit Current Rating. The suitability of an SPD for use on an AC power circuit that is capable of delivering not more than a declared rms symmetrical current at a declared voltage during a short circuit condition. SCCR is not the same as AIC (Amp Interrupting Capacity). SCCR is the amount of “available”current that [...]
When specifying SPD, submit a clear, concise specification detailing the required performance and design features. A minimum specification should include: • UL surge rating • Suppression rating • Short circuit rating • Peak surge current per mode (L-N, L-G, and N-G) • voltage and configuration of electrical service
SPD is a device designed to limit surge energy to electrical equipment. It does this by diverting or limiting surge current. An SPD is wired in parallel to the equipment it is intended to protect. Once the surge voltage exceeds its designed rating it “begins to clamp” and starts to conduct energy directly to the [...]
Dear friends, The year 2017 is about to come to the end and we are going to celebrate the Christmas and New Year. This is a fruitful year for us. Besides attending exhibitions in Germany, Singapore and Philippines, we also extended our business and brand via digital marketing. We witnessed a rapid growth in market [...]
On Nov 29th, a group of Filipino customer visited Prosurge. Customers are impressed by our extensive SPD production lines, our R&D, patent technoloy, testing lab, quality control and our SPD projects around the world. We also exchanged ideas on surge protection business on Filipino market and explored further on our cooperation. [...]
During Nov 17-20th, Prosurge made its first presentation at IIEE Expo, the largest electric and energy related exhibition in Philippine. We showcased our premium SPDs both in UL and IEC standards, especially our extensive UL listed TVSS. We successfully caught a lot of attention from local distributors, contractors, end [...]
This is a cross reference between Prosurge’s Surge Protection Device model with Hakel’s Surge Protection Devices model. This is only for reference, please consult us when in doubt. Hakel Model No. Prosurge Model No Type 1 HS50-50 G50/255 HS50 DS G50/255-FS Type 1 HS55 G50/440 Type 1 HS100 G100/255 NPE Type 1 JK110 G110/255 NPE [...]
