UDF 250A and 500A Single Pole Distribution Blocks


UDF 250A and 500A Single Pole Distribution Blocks

Single pole distribution blocks, part of the ERIFLEX® line of low-voltage power distribution products from ERICO, are compact and modular to allow versatile building of power blocks into single pole, two pole, three pole or four pole.

The UDF 250A and 500A feature a screw retaining, transparent blue cover to allow visual inspection of the wire and confirmation of the connection. The cover is also hinged for easy removal. The single pole distribution blocks easily clip onto DIN Rail or mount to the panel with screws. A direct input connection is made using ERIFLEX® FLEXIBAR.


  • High short circuit withstanding 30 KA (UDF 250A) ; 51 KA (UDF 500A)
  • Working voltage: 1000 V AC/DC, per IEC®
  • IP 20 finger safe
  • Halogen free
  • 95% fill ratio
  • Tinned copper block: copper or aluminum cables
  • RoHS compliant
  • Short circuit rated up to 100 KA (UDF 250A) – See UL® file E198301
  • Self extinguishing: UL94 V-0
  • Easy fixing: clip on din rail or mount to panel with screws


From a unique input conductor, the single pole distribution block will distribute the current through six output cables (UDF 250A) or 11 output cables (UDF 500A).

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UDF 250A and 500A Single Pole Distribution Blocks

IEC is a registered service mark of International Electrotechnical Commission.
UL is a registered trademark of Underwriters Laboratories, Inc