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What the difference between a MA4IMA16 and MA4IMA161 ?

Issue:
Replacement SPD Module feature 

Product Line:
Surge Protection Devices

Environment:
IMA

Cause:
Difference

Resolution:

 
 
The suffix "1" indicates a Type 1 UL1449 product for connection on line or load of main vs. a Type 2 UL1283 product for wiring to loadside only 
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