Type 2 spd is characterized by an 820 µs current wave. Maximum cable space and extensive number of cable entry points allowing easy installation.
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Bg spd wiring diagram. Installed in each electrical switchboard it prevents the spread of overvoltages in the electrical installations and protects the loads. The type 2 spd is the main protection system for all low voltage electrical installations. The conductors used to connect the spd to the line or bus shall not be any longer than necessary and shall avoid unnecessary bends green wire the following represents a wiring diagram of spds in a typical system. 2 mount the backbox before wiring to the pull station. A modern sleek design suitable for all installations. Wiring of the installation and cause damage by considering which device to install.
Type 1 spd is characterized by a 10350 µs current wave. Complies with amendment 3 of the 17th edition wiring regulations bs7671. Wiring instructions for the bg 12 bg 12l and bg 12lsp 1 if semi flush mounting proceed to step 4. London underground approved low smoke and fume paint on enclosure. 4 remove the correct amount of wire insulation. The pull station backplate is molded with.
3 before mounting the station pull all necessary wiring through the backbox and optional bg tr. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v 230 v h1 h3 h2 h4 optional connection electrostatically shielded transformer f u 6 off on m l1 l2 1 2 stop ol m start 3 start start fiber optic. A house or building is split into lightning protection zones lpz as a potential surge passes between one zone to another this is where the appropriate spd should be fitted eg. 2015 the implementation date for this regulation is january 2016. Between the outside lpz0a to the inside of a building lpz1 spd. Pv plus bus red wire battery negative black wire ground ac in blackred wire ac out blackred wire.
Gallery of Bg Spd Wiring Diagram
