4-pole D-curve MCB rated 63 A for industrial protection
The 5SY4463-8: Designed for industrial panel protection in mechanical engineering and general industry applications.
Mounting, derating, and panel fit
Compliance and environmental specs
Halogen-free and silicon-free construction meets strict environmental specifications. Sealed top and bottom terminals allow padlocking for lockout/tagout. Certified to IEC/EN 60898-1 and IEC/EN 60947-2 / UL1077, covering both domestic and industrial breaking duty.