11 Load Size Single Phase Distribution Block

  • Increase the number of outputs with one input using a jumper wire
  • Tinned copper block allows for copper or aluminium conductor connections
  • Screw retaining cover is hinged and removable
  • Design allows for visual inspection of conductor and confirmation of connection
  • Gangable for building multi-pole power blocks
  • Easily clips onto DIN rail or mounts to panel with screws
  • 95% fill ratio
  • Halogen-free
  • RoHS compliant
Material: Copper; Thermoplastic
Finish: Tinned


Part NumberUD-250A
Article Number569040
Max Current Rating, IEC250 A
Max Current Rating, UL/CSA255 A
Short Term Withstand Current (Icw) 1s24.5 kA
Peak Short Circuit Current (Ipk)51 kA
Short Circuit Current Rating (SCCR)100 kA
Max Working Voltage, IEC (Ui)1,000 VAC/DC
Max Working Voltage, UL (Vin)600 V
Line Side Number of Connections1
Line Side Compact Stranded Wire Size35 – 120 mm²
Line Side Wire Size#6 – 250 kcmil
Load Side Number of Connections11
Load Side Compact Stranded Wire Size(2) 6 – 35 mm²
(4) 2,5 – 10 mm²
(5) 2,5 – 16 mm²
Load Side Stranded Wire Size – Ferrule(2) 6 – 25 mm²
(4) 2,5 – 10 mm²
(5) 2,5 – 16 mm²
Load Side Wire Size(2) #10 – #1
(4) #14 – #6
(5) #14 – #4
Enclosure RatingIP 20
Depth (D)50 mm
Height (H)96 mm
Width (W)49 mm
Unit Weight0.42 kg
Certification DetailsUL® 1059
Flammability RatingUL® 94V-0
Complies WithIEC® 60947-7-1


Design Guideline for Distribution Blocks, Power Blocks and Power Terminals
Derating according to Ambient* Temperature (°C) to maintain working temperature of 85°C
Ambient Temperature (°C)30°35°40°45°50°55°60°65°70°75°
Derating Coefficient (d)1110.940.880.820.750.670.580.47
*environment around the terminal blocks inside the enclosure







Unipolar Distribution Blocks Extensions

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