Mersen, formerly Ferraz Shawmut

MPDB Series Image
  • Adder Poles
  • Wire Connectors
  • Insulators
  • Spacings
  • Safety Covers
Mersen power distribution blocks provide a safe and easy method of splicing cables,
splitting primary power into secondary circuits and fulfilling requirements for fixed
junction tap-off points. All blocks are UL and CSA approved while meeting spacing
requirements for feeder and branch circuits in conjunction with UL508A and the National
Electrical Code. PDB options include single or dual conductor primary inputs and up to
30 secondary outputs. Specialty blocks are available allowing for up to 7 primary inputs.
The MPDB series is offered in three size categories: miniature (MPDB62 and MPDB63
series), intermediate (MPDB66 and MPDB67 series), and large (MPDB68 and MPDB69
series), in both aluminum and copper.
GGM Series Image
  • .0625~15 Amps
  • 125~250 VAC
  • Fast Acting
  • Cartridge or Axial Leads
  • Glass Body
AJT Series Image
  • 1~600 Amps
  • 600 VAC
  • 500 VDC
  • Cartridge or Center Bolted
  • UL, CSA, IEC Approvals
AJT fuses now provide a visual open fuse indicator. With advanced material technology the AJT series provides IEC Type "2" (No Damage) protection to main, feeder, and branch circuits, for all types of loads. The AJT series requires half the mounting space needed for 600 VAC Class RK fuses. Typical applications include motor circuits, mains, feeders, branch circuits, lighting, heating, transformers, control panels, and load centers.
ATQR Series Image
  • .1~30 Amps
  • 600 VAC
  • Fiberglass Body
  • Cartridge
  • UL, CSA Approvals
ATQR small-dimension fuses feature time delay characteristics ideally suited for the high inrush currents of control transformers, solenoids, and similar inductive loads. ATQR fuses provide superior protection for the branch circuits or electrical distribution systems.
ATDR Series Image
  • .25~30 Amps
  • 600 VAC
  • 300 VDC
  • Cartridge
  • UL, CSA Approvals
ATDR small-dimension fuses can provide IEC Type 2 "no damage" protection to your facility's increasingly sensitive branch circuit components and small motors minimizing the risk of fault-related damage. ATDR Class CC fuses deliver the best time delay characteristics in their class with excellent cycling ability for small motor loads.
FSPDB Series Image
  • 600 Volts Rating
  • 175~840 Amps
  • 100kA with Proper Fuse
Mersen FSPDBs introduce a new level of safety and ease for installing power distribution blocks. An IP20 level of finger-safe protection is achieved using FSPDBs, eliminating the need for special covers or custom Plexiglas sheets to protect your panels. FSPDBs (sizes 1 to 4) simply snap onto 35mm DIN rail to provide the quickest installation. Modular design also allows for multi pole applications by use of assembly pins. FSPDBs provide a safe, convenient way of splicing cables, splitting primary power into a variety of secondary circuits or providing a fixed junction tap-off point.
USCC Series Image
  • 1~3 Poles
  • 30 Amps
  • 600 Volts
  • DIN Rail Mount
  • Finger Safe Protection
The Shawmut ULTRASAFE Fuse Holders save up to 15% mounting space and any combination can be snapped onto a 35mm DIN rail. Also features quick, and easy fuse change. Optional indicator lights.
ATMR Series Image
  • .1~30 Amps
  • 600 VAC
  • Fiberglass Body
  • Cartridge
  • UL, CSA Approvals
ATMR fuses are the smallest dimension 600V fuses suitable for branch circuit protection. The ATMR is a popular choice for economical protection of control circuits and control circuit transformers where available short circuit currents exceed 10,000 amperes. ATMR's rejection dimensions prevent substitution by lesser rated fuses. These fast acting fuses give current limiting protection to general circuits.
TRM Series Image
  • .10~30 Amps
  • 250 VAC
  • Time Delay
  • Cartridge
  • UL, CSA Approvals
TRM time delay midget fuses are rated 250 volts AC and are offered in 36 ampere ratings from 1/10A to 30A. They have 12 seconds time delay at 200% rating to provide supplemental protection of small motors, small transformers and other high inrush loads, plus many other 250 volt applications.
GDL Series Image
  • .01~30 Amps
  • 32~250 VAC
  • Time Delay
  • Cartridge or Axial Leads
  • Glass Body
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