Class J Fuse Reducer - J | Fuse Reducer for Electrical Protection

Mersen Class J Fuse Reducers enable the use of lower rated fuses in existing equipment equipped with clips rated for higher amperages. These reducers improve circuit protection by allowing the use of time-delay fuses sized closer to the motor nameplate current, especially for renewable or one-time fuses feeding motors. Suitable for 600 Volt Class J fuses, these rejection-type reducers ensure proper fit only for Class J fuses and are not designed for bolt-on applications. This product is relevant for electrical distributors, lighting solutions providers, wire and cable suppliers, and switchgear suppliers seeking reliable circuit protection components.

Specifications

• Manufacturer: Mersen
• Manufacturer Part #: J236
• Class: J
• Voltage Rating: 600 Volts
• Amperage Range: 30 to 600 Amps
• Dimensions (L x W x H): 2.3 in x 1.062 in x 1.062 in
• Product Weight: 0.4600 lbs
• Tested Interrupting Rating: 200,000 Amps
• UPC: 782001753467

Features

• Allows lower rated Class J fuses to fit clips rated for higher amperage
• Rejection-type design ensures compatibility only with Class J fuse clips
• Improves circuit protection by enabling closer fuse sizing to motor nameplate current
• Not suitable for bolt-on fuse applications
• UL Listed (Guide No. IZZR) and CSA Certified
• Intended for temporary use only

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