Class R Fuse Reducer, 600 VAC/DC, 200 kA SCCR, CSA Certified
Mersen

Mersen R266 Class R Fuse Reducer, 600 VAC/DC, 200 kA SCCR, CSA Certified

  • MPN: R266
  • UPC: 782001752484
  • PPN: FER-R266

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$146.00

/ EA

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Spec sheet

Description

Mersen fuse reducers allow the use of lower rated fuses in existing equipment having clips with higher ampere ratings. The use of closer rated time-delay fuses can improve circuit protection. For example, renewable or one-time fuses feeding a motor can be replaced with fuses sized closer to the motor nameplate current. Non-rejection reducers will allow Class H, K or R fuses to fit Class H or K clips. Rejection-type reducers will allow only Class R fuses to fit Class R clips or only Class J fuses to fit Class J clips. Class J fuse reducers are not for bolt on applications.

Features

  • The Mersen R266 fuse reducer provides a rigid, secure physical bridge that allows a lower-rated 60 Amp fuse to seat perfectly into standard 200 Amp equipment clips. This eliminates the massive capital expense and extensive downtime of replacing entire fuse blocks or disconnect switches when changing load requirements.
  • Engineered for high-capacity industrial environments, this adapter is fully rated for 600VAC/VDC applications and maintains a heavy-duty 200kA short-circuit current rating (SCCR). Your downstream machinery stays completely protected up to maximum threshold limits without introducing a weak link into your electrical infrastructur
  • Featuring a dedicated rejection-type mechanical profile, this adapter exclusively accepts UL Class R fuses (like RK1 or RK5) to fit tightly inside Class R clips. This physical lockout defense strictly prevents maintenance crews from accidentally dropping in lower-rated legacy fuses, ensuring your branch circuits remain compliant and code-safe.

Documentation & Downloads

Specifications

Additional

Voltage
600 VAC/DC
Short Circuit Current Rating (SCCR)
200 kA
Standards
UL Listed IZZR, CSA Certified, Classes H, K, R, J
UL Certification
E105670 IZZR.E105670
AmperageFits 60 to 600 A
ClassR
CSA Certification6225-01 207417
Fuse Clip CompatibilityClass R clips

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