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The MERSEN RL50 is a 250-volt renewal link designed as a replaceable fuse element for use in renewable-type fuse holders. Renewal links allow a technician to restore a fuse assembly to service by replacing only the fusible element rather than the entire fuse body, reducing material cost and downtime in industrial and commercial electrical systems. Licensed electricians and maintenance technicians are the primary installers of this component in panel boards, motor control centers, and disconnect switches.
The RL50 is suited for commercial and industrial electrical applications where renewable fuse systems are already in place. It is installed inside a compatible renewable fuse holder rated for 250 volts. This type of renewal link is commonly found in older industrial facilities, manufacturing environments, and commercial buildings that maintain renewable fuse infrastructure as part of their overcurrent protection strategy.
Designed as an OEM-style replacement fusible element for renewable fuse holders rated at 250 volts. No specific compatible model numbers were provided in the product data.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). Always de-energize and lockout/tagout the circuit before servicing any fuse holder or overcurrent protection device. Verify that the replacement renewal link matches the ampere rating and voltage rating of the original element before installing. Do not reinstall the fuse holder cover until the renewal link is fully seated and secured.
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