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Transparent three-pole fuse block with finger-safe pressure-plate terminals, DIN-rail mount, polyamide body

Mersen

Mersen US6J3 Finger Safe Fuse Block 3-Pole 600V

SKU CH-314H-3XMDN

A three-pole, finger-safe fuse block rated for 600V AC/DC, accepting Class J fuses from 31 to 60 A with a 14 to 2 AWG pressure-plate wire range and DIN-rail mounting

  • Product typeFuses & Accessories
  • Product colorTransparent
  • Finger-safe design prevents accidental contact
  • Three-pole Class J block handles 31 to 60 A loads
  • 600 V AC/DC rating suits industrial power circuits
  • CSA certified and UL listed for code compliance
  • DIN-rail mount with 14 to 2 AWG pressure-plate terminals

Electrical Protection Device

The Mersen US6J3 is a three-pole finger-safe fuse block rated for 600V AC/DC. It accepts Class J fuses in the 31 to 60 A range and suits industrial control panels or machinery circuits requiring certified overcurrent protection. The polyamide body and pressure-plate connectors provide secure termination for solid or stranded conductors.

Wire Range and Mounting Constraints

Conductors from 14 to 2 AWG fit the pressure-plate terminals without special tools. The block mounts on standard DIN rail and measures 3.5 in long, 4.72 in wide and 4.8 in high, so panel space must accommodate those exact dimensions. No rejection feature is present, so any Class J fuse of the correct ampere rating will seat.

Pre-Installation Checks

Verify that the available DIN rail length can accept the 3.5 in module width alongside adjacent devices. Confirm the circuit voltage does not exceed 600V AC/DC and that the prospective fault current is within the interrupting rating of the chosen Class J fuse series. Ensure wire insulation is rated for the terminal temperature and that 2 AWG is the largest conductor required.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $119.99
Pricier than about 79% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameMERSEN
Product typeFuses & Accessories
Product colorTransparent

Questions about this item

Which fuse block covers the 31 to 60 ampere range with three poles?

The US6J3 model is rated for 31 to 60 A fuses and provides three poles in a single unit.

What does the 600 V AC/DC rating mean once the block is installed?

It means the block can safely interrupt and isolate circuits operating at up to 600 volts alternating or direct current.

What wire gauges does the pressure-plate connector accept?

The connector accepts solid or stranded copper wire from 14 AWG up to 2 AWG.

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