Answer
Aug 29, 2022 - 02:40 PM
The Macromatic ISEUR1 intrinsically safe relay is tested and certified by Underwriters Laboratory (UL). The standard of which it is tested is UL-913 8th edition. The UL file number is E318075, which can be looked up on UL's website to validate, and is linked below:
UL E318075
UL E318075
