Replacement Plug in Modules

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  03928

  Replacement plug-in module for old surge protection devices for cat nos 039 20/21/22/23
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  03934

  Replacement plug-in module for old surge protection devices for cat nos 039 30/31/32/33
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  03944

  Replacement plug-in module for old surge protection devices for cat nos 039 40/41/43
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  412297

  Replacement plug-in module for surge protection devices T1+T2 and T2 for Category nos 412220/24/25
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  412301

  Replacement plug-in module for surge protection devices T1+T2 and T2 for Category nos 412230/32/33
• 

  412303

  Replacement plug-in module for surge protection devices T1+T2 and T2 for Category nos 412270/72/74/75