Surge-Trap® Monobloc STMZT12 Series

STMZ T12 is the series of combined Type 1+2/Class I+II devices according to EN 61643-11 for use in the pre-counter area installed directly on 40 mm busbar system with coordination to terminal equipment (≤ 5m) Typ 1+2+3. Easy end fast fulfillment of VDE 0100-443/ -534. Depending on the product it can be used for TNC or TT-/TNS systems as well as for applications with or without external lighting protection systems.

• 40 mm busbar mountable, monobloc format
• Leakage current free technology intended for pre-meter protection
• Lightning impulse current (10/350μs): 7.5 kA or 12.5 kA
• Nominal discharge current (8/20μs): 20kA per phase
• TNS, TNC and TT networks
• Un(L-N/L-L): 230/400V
• Visual end of life indicators
• Voltage protection level Up at In≤1,5 kV