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UD-400A-112CU Single Pole Distribution Block

UD-400112CU (569052)


  • Ideal for solar applications
  • Tinned copper block allows for copper or aluminum 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


Part Number UD-400112CU
Article Number 569052
Material Copper
Finish Tinned
Max Current Rating, IEC 400 A
Max Current Rating, UL/CSA 335 A
Short Term Withstand Current (Icw) 1s 24.5 kA
Peak Short Circuit Current (Ipk) 51 kA
Short Circuit Current Rating (SCCR) 10 kA
Max Working Voltage, IEC (Ui) 1,000 VAC
1,500 VDC
Max Working Voltage, UL (Vin) 1,000 VAC/DC
Line Side Number of Connections 1
Line Side Compact Stranded Wire Size 95 - 185 mm²
Line Side Wire Size 3/0 – 400 kcmil
Load Side Number of Connections 12
Load Side Compact Stranded Wire Size (12) 2,5 - 10 mm²
Load Side Stranded Wire Size - Ferrule (12) 2,5 - 10 mm²
Load Side Wire Size (12) #14 - #6
Enclosure Rating IP 20
Depth (D) 1.99"
Height (H) 3.79"
Width (W) 2.2"
Unit Weight 0.88 lb
Certification Details UL® 1059
Flammability Rating UL® 94V-0
Complies With IEC® 60947-7-1
Certifications CE
CSA 70044370
EAC 0234267 (Russian Federation)
Standard Packaging Quantity 1 pc
UPC 78285668759
EAN-13 8711893096330
Design Guideline for Distribution Blocks, Power Blocks and Power Terminals
Derating according to Ambient* Temperature (°F) to maintain working temperature of 185°F
Ambient Temperature (°F) 86° 95° 104° 113° 122° 131° 140° 149° 158° 167°
Derating Coefficient (d) 1 1 1 0.94 0.88 0.82 0.75 0.67 0.58 0.47
*environment around the terminal blocks inside the enclosure

Pentair, CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH and LENTON are owned by Pentair or its global affiliates. All other trademarks are the property of their respective owners. Pentair reserves the right to change specifications without prior notice.

CSA, CSA-US and C-CSA-US are registered trademarks of Canadian Standards Association.
IEC is a registered trademark of the International Electrotechnical Commission.
UL, UR, cUL, cUR, cULus and cURus are registered certification marks of UL LLC.




CSA 70044370
CSA C22.2 No. 158
cUR XCFR8.E198301
CSA C22.2 No. 158
UR XCFR2.E198301
ANSI/UL 1059


Engineering Specifications

Instruction Sheets

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