Maximum cable space and extensive number of cable entry points allowing easy installation. 2 mount the backbox before wiring to the pull station.
British General Type 2 Surge Protection Device 20ka Spds
Bg spd wiring diagram. The type 2 spd is the main protection system for all low voltage electrical installations. London underground approved low smoke and fume paint on enclosure. 3 before mounting the station pull all necessary wiring through the backbox and optional bg tr. 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. 2015 the implementation date for this regulation is january 2016. Pv plus bus red wire battery negative black wire ground ac in blackred wire ac out blackred wire.
Installed in each electrical switchboard it prevents the spread of overvoltages in the electrical installations and protects the loads. Complies with amendment 3 of the 17th edition wiring regulations bs7671. The pull station backplate is molded with. Between the outside lpz0a to the inside of a building lpz1 spd. Wiring of the installation and cause damage by considering which device to install. Wiring instructions for the bg 12 bg 12l and bg 12lsp 1 if semi flush mounting proceed to step 4.
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. 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 modern sleek design suitable for all installations. Type 2 spd is characterized by an 820 µs current wave. 4 remove the correct amount of wire insulation. Type 1 spd is characterized by a 10350 µs current wave.
Gallery of Bg Spd Wiring Diagram
