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UL98 Fused Switch

Approvals & Standards
All UL Fusible Disconnect Switches meet UL & CSA requirements
UL listed guide WHTY, File E191605 for UL 98 (ratings from 30A to 1200A)
IEC 60947-3

Mersen’s fusible disconnect switches are listed to UL 98 and bear the CE mark conforming to IEC 60947-3. They are “service entrance” devices capable of fully rated load-break and load-make. While longterm safety, reliability, and functionality are always paramount in the design of our products, these switches are also engineered to have the smallest footprint. The modular design allows placement of the handle anywhere amongst the poles. The fuse doors cannot open when the switch is in the “ON” position, and all switches are double-break, which isolates both fuse clips from voltage during fuse replacement. The switches’ “Test” position allows actuation of the auxiliary contacts without main power. Power taps enable energizing a CPT or surge device without the need for a separate terminal block. A wide range of ergonomic handles and accessories is available.

Mersen’s fusible disconnect switches are listed to UL 98 and bear the CE mark conforming to IEC 60947-3. They are “service entrance” devices capable of fully rated load-break and load-make. While longterm safety, reliability, and functionality are always paramount in the design of our products, these switches are also engineered to have the smallest footprint. The modular design allows placement of the handle anywhere amongst the poles. The fuse doors cannot open when the switch is in the “ON” position, and all switches are double-break, which isolates both fuse clips from voltage during fuse replacement. The switches’ “Test” position allows actuation of the auxiliary contacts without main power. Power taps enable energizing a CPT or surge device without the need for a separate terminal block. A wide range of ergonomic handles and accessories is available.

Key features & benefits

  • Multiple Configurations

  • Power taps

  • Adjustable shaft depth

  • Fuse monitoring

  • Double break, isolating live and load side of fuse

  • Interlocked fuse doors

Applications

  • Main disconnects

  • Short circuit protection

  • Electrical isolation

  • Overcurrent protection

  • Safety switch

Technical Specifications
Short Circuit Current Rating (SCCR) 200 kA
Reach Compliant Yes
Max Operating Temp. 40 °C
Min Operating Temp. -5 °C
Max Storage Temp. 55 °C

Reference Finder

36 references in this series

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Item number Ampere rating Fuse Type/Class Number of poles Enclosure NEMA Type Product weight
M400J12 See product
 400A Class J 3-Pole - 7.2847kg
M400J30 See product
 400A Class J 3-Pole - 7.2847kg
M400J40 See product
 400A Class J 3-Pole - 7.2847kg
M600J30 See product
 600A Class J 3-Pole - 13.5715kg
M600J40 See product
 600A Class J 4-Pole - 14.9277kg
M60J03 See product
 60A Class J 3-Pole - 1.1975kg
M60J12 See product
 60A Class J 3-Pole - 1.1975kg
M60J22 See product
 60A Class J 4-Pole - 1.4379kg
M60J22N See product
 60A Class J 4-Pole - 1.4379kg
M60J30 See product
 60A Class J 3-Pole - 1.1975kg
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