Mersen R636 Class R 60-30A Fuse Reducer with 600 VAC, 600 VDC, SCCR 200 kA
Mersen R636 Class R 60-30A Fuse Reducer with 600 VAC, 600 VDC, SCCR 200 kA
- MPN: R636
- UPC: 782001752460
- PPN: FER-R636
Spec sheet
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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 R636 is a specialized fuse reducer designed to allow a 30-Amp fuse to be installed into an existing 60-Amp fuse clip. This is a critical tool for Canadian industrial electricians who need to downsize circuit protection—for example, when a motor has been replaced with a more efficient, lower-amperage model—without the expensive and time-consuming process of replacing the entire 600V fuse block.
- This is a Rejection-type reducer, specifically engineered for Class R fuses. It features a unique physical profile that ensures only high-interrupting Class R fuses can be used. This prevents the dangerous accidental installation of older, non-current-limiting Class H or K fuses, ensuring your panel remains fully compliant with the Canadian Electrical Code (CEC) safety mandates.
- The R636 is fully rated for 600V AC systems. Its rugged construction ensures it can handle the thermal and mechanical stresses of high-voltage industrial distribution. By utilizing these reducers to install closer-rated time-delay fuses (like the Mersen TRS-R series), you can significantly improve the protection of sensitive motor windings and controllers.
- When used with Class R fuses, the R636 maintains a massive 200,000 Amp (200kA) short-circuit current rating (SCCR). This ensures that the reducer itself does not become a weak point in your electrical system, safely withstanding the extreme energy of a short circuit in high-capacity Canadian industrial facilities.
- The R636 is designed for a fast, "snap-in" fit. It essentially acts as an adapter that slides onto the ends of a 30A fuse, extending its physical dimensions to match those of a 60A fuse. This allows for immediate on-site configuration changes during maintenance windows, reducing downtime and eliminating the need for specialized tools or panel modifications.
Specifications
Product Details
- AC Voltage
- 600 VAC
- Lead Free
- Consult Technical Services
- Standards
- 250V and 600V Class H, K, and R - UL Listed Guide No. IZZR, CSA Certified. 600V Class J - UL Listed Guide No. IZZR, CSA Certified 30-600A
- SCCR
- 200 kA
- DC Voltage
- 600 VDC
CE conformityConsult Technical Services
ClassR
UL CertificationE105670 IZZR.E105670
ROHS CompliantConsult Technical Services
CSA Certification6225-01 207417
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