UL-specific chapters
"External protection, UL-compliant"
The integrated protection against short circuit is no substitute for the external mains protection. The mains protection must comply with the vendor's specification and the national and international regulations and laws.
AX5160 and AX5172:
Can be used in power supply systems with a maximum current carrying capacity (SCCR) of 5 kA at 480 V.
AX5190 – AX5193:
Can be used in power supply systems with a maximum current carrying capacity (SCCR) of 10 kA at 480 V.
For alternatives to UL Class RK5 fuses, be sure to refer to UL Standard UL 508 A, Chapter SB4.2.3, Exception No. 1. For further questions regarding UL fuses, please contact the appropriate certificate authority.
Fuse protection | AX5160 | AX5172 | AX5190 | AX5191 | AX5192 | AX5193 |
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AC supply (max.) *) |
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24 V supply (max.) | 4 AT | 10 AT | ||||
Braking resistor | electronic | |||||
*) UL-approved mains fuses must be used, with at least 480 V.