Instructions –Data Sheet PDH 22 350 X S Ilsco Reference Power Distribution Block Product Data Sheets
User Manual: PDH-22-350-X Technical Resources – ILSCO
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Page Count: 3
PDH-22-350-X
Replace “X” with 1, 2 or 3 for number of poles
Power Distribution Block
620 Amps, 600 Volts (AC/DC)
1,000V AC/DC CE (IEC 60947-7-1)
Product Data Sheet
Wire Range:
Line side: (2) 350 kcmil - #4
Load Side: (2) 350 kcmil - #4
Electrical Ratings:
• 620A copper wire, 500A Aluminum wire (Based on NEC Table 310-16, 75°C columns)
• CE Rated Voltage (Ui): 1,000 V AC/DC per IEC 60947-7-1
• Material Group: IIIa
• Pollution Degree: 3
• 600 Volts AC/DC (UL 1059 Class C, User Group - General Industrial)
• Factory and Field Wiring
Short Circuit Current Ratings (Copper wire only):
Line Load J T RK1 RK5 GCC
B, C 350 - 4 350 - 4 600 600 ----50,000 600
B, C 350 - 4 350 - 4 450 450 400 200 60 30 100,000 600
G, H, I 250 - 2 250 - 2 600 600 ----50,000 600
G, H, I 250 - 2 250 - 2 450 450 400 200 60 30 100,000 600
SCCR, RMS
SYM Amps
Volts
Max
Wire
Class
Suitable Conductors
(kcmil/AWG)
Overcurrent Protection Fuse Required
Class/Max Amp Rating
• Short Circuit Current Rating investigated in 16 x 12 x 6 enclosure. Use in smaller enclosure is
subject to end-use evaluation.
Mechanical Ratings:
• Maximum insulator base temperature: 150°C (302°F) UL RTI
• Flammability rating of insulator base: UL 94 V-0
* Use outside these ratings needs to be judged in the end-use application.
Materials:
• Connector: High conductivity aluminum, tin plated
• Insulator base: Phenolic
• Terminal set screws: Aluminum, tin plated
• Connector mounting screws: Steel, zinc plated
Agency Approvals:
• UL Recognized, UL 1059 Terminal Block Standard, File No. E84782
• CSA Certified, CSA C22.2 No. 158, File No. MC 249467 (Wire Classes B & C only)
• CE compliant to IEC 60947-7-1
• RoHS Compliant
Wire Approvals:
Line and Load Side Wire Approvals:
Copper Wire Stranding Classes - Number of Strands
Wire Size Torque Solid Class B Class C Class G Class H Class I Class K
350 kcmil 275 in. lbs 37 61
300 275 in. lbs 37 61
250 275 in. lbs 37 61 ~ 259 ~ 427 ~ 637 ~ 2499
4/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 532 ~ 2107
3/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 418 ~ 1666
2/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 342 ~ 1323
1/0 275 in. lbs 19 37 ~ 133 ~ 259 ~ 266 ~ 1064
1275 in. lbs 19 37 ~ 133 ~ 259 ~ 210 ~ 836
2275 in. lbs 719 ~ 49 ~ 133 ~ 161 ~ 665
4275 in. lbs 719
~Quantity of strands for Classes G, H, I, K may vary by manufacturer.
Aluminum stranded wire range: 350 kcmil – #4 AWG
• Wire strip length, line and load side taps – 1 1/16”
• Hex key required: 5/16”
• Panel mountable: 1/4” (M6) fastener, torque to 30 - 40 in. lbs.
