Ferraz Shawmut 6633J 3-Pole 600 Amp 600 Volt Class J Fuse Block
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Manufacturer Mersen
Mfg Catalog # 6633J
North Coast Part # 18799


  • Class J Blocks (600V) use with AJT, A4J, HSJ

Approvals & Standards

  • All class J fuse blocks meet the requirements of UL4248 (formerly UL512)
  • UL listed Guide IZLT, File E52283
  • CSA certified class 6225, File 32169


  • Rated voltage AC UL: 600 V
  • Rated voltage DC UL: 600 V
  • Ampere Rating: 600 A
  • ROHS Compliant: Yes
  • Fuse Class: Class J
  • Short Circuit Current Rating (SCCR): 200
  • Fuse Type/Class: Class R
  • Number of Poles: 3-pole
  • Fuse Installation Method: Clip-in
  • Body/Insulating Material: Phenolic
  • Max Fuse Rating: 600 A
  • Installation Mounting: Direct Screw Mount

Product Dimensions

  • Product Weight: 17.05 lb
  • Product Width: 12 in
  • Product Length: 11 in
  • Product Height: 4.74 in

Packaging Dimensions

  • Sell Pack Quantity: 1 Each
  • Sell Pack Weight: 17.9 lb
  • Sell Pack Width: 12 in
  • Sell Pack Length: 15.88 in
  • Sell Pack Height: 5.12 in


UPC 78200175197
Family Brand Name Ferraz Shawmut
GTiN 00782001751975
Length 11 in
Width 12 in
Type Open-Style, 3-Phase
Material Phenolic
Mounting Type Direct Screw Mount
Height 4.74 in
Weight 17.05 lb
Fuse Type Class J
Pkg Qty 1
Class J
Insulation Material Phenolic
Amperage 600 Amp
Fuse Interrupt Rating 600 A
Number of Poles 3 Pole
Rated Voltage AC 600 V
Rated Voltage DC 600 V
Fuse Class Class J
Voltage 600 VAC

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