INSTALLATION
DS500E-320 Type 1+2 AC surge protector - 1 pole is connected in parallel on the AC network and must be equipped with external fuses for short-circuit current protection
- The total length of parallel connection wires to AC network must be lower than 0.5 m in order not to increase the protection level (Up) provided by the SPD.
- Wiring is made by screw connections. On some models, a distribution bus can be used.
- The protection wire coming from the SPD must be connected to the bonding bar of the electrical panel. Paralleling the protection wire with phases conductors must be avoided.
- The cross sectional wire must be 6 mm² minimum for Type 2 SPD and 16 mm² for Type 1.
- Local earthing resistance must be in compliance with the electrical rules.
Further information can be found in IEC 61643-12 standard (selection and application principles for low voltage SPD).
- Combine two DS500E-320 to get DS502E-320 used for AC 230 V single phase network, TN system
- Combine three DS500E-320 to get DS503E-320 used for AC 230/400V 3-phase network, TNC system
- Combine four DS500E-320 to get DS504E-320 used for AC 230/400V 3-phase+N network, TNS system
- Combine three DS500E-320 with DS1000G-600 to get DS504E-320/G used for AC 230/400V 3-phase+N network, TT-TNS system
