Gangable Distribution Blocks can build 1- to 4-pole designs.

Press Release Summary:

Single-pole distribution block models UDF 250A and 500A have modular design with screw retaining, transparent blue cover that allows visual wire inspection and connection confirmation. Able to clip onto DIN Rail or mount to panel with screws, IP20 finger safe blocks are halogen free, RoHS compliant, and offer short circuit withstanding ratings of 30 KA (UDF 250A) and 51 KA (UDF 500A). Working voltage is rated at 1,000 V AC/DC per IEC.

Original Press Release:

Erico Offers Modular, Gangable Single Pole Distribution Blocks 250A - 500A / 1000 V

SOLON, Ohio, USA - New 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.

Additional features include:
  • 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

    For more information, visit

    ERICO is a leading global designer, manufacturer and marketer of precision-engineered specialty metal products serving niche markets in a diverse range of electrical, construction, utility and rail applications. The company is headquartered in Solon, Ohio, USA with a network of sales locations serving more than 25 countries and with manufacturing and distribution facilities worldwide. ERICO's well-known brand names include: CADDY® electrical and mechanical fixings, fasteners and supports; CADWELD® welded electrical connections; CRITEC® surge protection devices; ERICO® rail and industrial products; ERIFLEX® low voltage power distribution; ERITECH® facility electrical protection; and LENTON® concrete products. Visit ERICO online at

    IEC is a registered service mark of International Electrotechnical Commission.

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