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Approvals & Standards

  • IEC 60269-4 Compliance
  • UL/CSA Recognized E76491

Key features & benefits

The 690/700V Protistor® fuse-links provide maximum flexibility in equipment design and ultimate protection for today's power conversion equipment. These square body ultra-fast acting aR fuse-links are available in different body sizes, each size having multiple worldwide acceptable mounting styles.
They have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors and IGBT devices. They are assembled with die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. All contact surfaces are silver plated and all hardware is non-magnetic.
Each fuse-link can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

More specifications


  • Protection of inverters, motor drives, UPS systems and similar 690V or less equipments.

Product Specifications

Item Number


Catalog number


Item Description (ERP)

6 URD 233 PLAF 2500  


PROTISTOR® SB aR, silver plated plates, PLAF, sz.2.33, 600VAC IEC, 2500A  

EAN/UPC code


Rated voltage AC UL

650   V

Rated voltage AC IEC

600   V

Rated current

2500   A

AC or DC




Fuse size




Clearing I2t At Rated Voltage

6600   kA²s

Melting I2t

1410   kA²s

AC Max I.R./Breaking Capacity: I1

160   kA

Power Dissipation at Rated Current Value

310   W

Indication System


Indication System Type


Contact materials

Silver-Plated Copper  

Connection/Terminal Type

Plates with Metric Threaded Holes  

Body/Insulating Material


Product Weight

2.5   kg

Product Width

170.00   mm

Product Length

54.80   mm

Product Height

78.50   mm

Sell Pack Quantity

1   EA

Sell Pack Weight

2.5   kg

Sell Pack Width

95.00   mm

Sell Pack Length

250.00   mm

Sell Pack Height

95.00   mm