The field terminal modules: MZ-1 (small), MZ-2 (medium) and MZ-3 (large) are designed for construction of low-voltage installations, such as alarm and/or intercom systems. They come in two versions which differ in the size of terminal block. The modules having smaller terminal blocks are additionally designated with "S", and those having bigger terminal blocks - with "L".The terminal modules serve the purpose of connecting several electric wires without the use of soldering iron. The MZ-2 and MZ-3 modules are made with the help of jumpers and metal pins, directly connected to individual terminals, which makes it possible to easily create groups of terminals connected in parallel. However, at the installation designing stage, you should pay close attention to the current which is going to pass through particular jumpers. Their primary purpose is transmission of logic signals. To make passage of larger currents possible between the terminals, they should be interconnected with an e
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