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3SU1, type 2

● Types 2 surge arresters
● Handling energy from distant/ indirect lightning strikes or from switching operations
● Feature lower protection level (Up)
● Recommended to be installed at the incoming of installation for locations with no exposure to direct lightning impulses
● 3SU1 DC provide protection for equipment on photovoltaic connected system, against transient overvoltages that occur on the electrical network
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Technical specifications

V 27.3 3系列 20210302_98-2


Technical specification of the remote signal contact

  • Contact type: 1 NO +1 NC

  • Min. load: 24 V DC - 10 mA

  • Max. load: 240 V AC - 1 A



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