Instructions –Data Sheet PDH 12 350 X S Ilsco Reference Power Distribution Block Product Data Sheets

User Manual: PDH-12-350-X Technical Resources – ILSCO

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Product Data Sheet

PDH-12-350-X
Replace “X” with 1, 2 or 3 for number of poles

Power Distribution Block
310 Amps, 600 Volts (AC/DC)
1,000V AC/DC CE (IEC 60947-7-1)
Wire Range:
Line side: (1) 350kcmil - #6 AWG
Load Side: (2) 2/0 - #14 AWG

Electrical Ratings:
• 310A Copper wire, 250A 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):
Wire
Class
B, C
B, C
G, H, I

Suitable Conductors
(kcmil/AWG)
Line
Load
350 - 3/0
2/0 - 1
350 - 6
2/0 - 10
250 - 1/0
1 - 10

J
500
200
150

Overcurrent Protection Fuse Required
Class/Max Amp Rating
T
RK1
RK5
G
500
400
200
60
200
200
100
60
150
100
30
60

CC
30
30
30

SCCR, RMS
SYM Amps

Volts
Max

100,000
100,000
100,000

600
600
600

• 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 and cover temperature: 125°C (257°F) UL RTI
• Flammability rating of insulator base and cover: 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: Glass filled polycarbonate (thermoplastic)
• Terminal set screws: Aluminum, tin plated
• Connector mounting screws: Steel, zinc plated
• Hinged Cover: Glass filled polycarbonate (thermoplastic)

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 Side Wire Approvals:
Wire Size
350 kcmil
300
250
4/0
3/0
2/0
1/0
1
2
4
6

Torque
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs
275 in. lbs

Solid

Copper Wire Stranding Classes - Number of Strands
Class B
Class C
Class G
Class H
Class I
37
61
37
61
37
61
~ 259
~ 427
~ 637
19
37
~ 133
~ 259
~ 532
19
37
~ 133
~ 259
~ 418
19
37
~ 133
~ 259
~ 342
19
37
~ 133
~ 259
~ 266
19
37
~ 133
~ 259
~ 210
7
19
~ 49
~ 133
~ 161
7
19
7
19

Class K
~ 2499
~ 2107
~ 1666
~ 1323
~ 1064
~ 836
~ 665

~Quantity of strands for Classes G, H, I, K may vary by manufacturer.
Aluminum Wire Range: 350kcmil – #6
Load Side Wire Approvals:
Wire Size
2/0 AWG
1/0
1
2
4
6
8
10
12
14

Torque
120 in. lbs
120 in. lbs
120 in. lbs
120 in. lbs
120 in. lbs
120 in. lbs
40 in. lbs
35 in. lbs
35 in. lbs
35 in. lbs

Solid

1
1
1

Class B
19
19
19
7
7
(1-2)* 7
(1-2)* 7
(1-2)* 7
(1-2)* 7
(1-2)* 7

Copper Wire Stranding Classes - Number of Strands
Class C
Class G
Class H
Class I
37
37
37
~ 133
~ 259
~ 210
19
~ 49
~ 133
~ 161
19
~ 49
~ 133
~ 105
(1-2)* 19
~ 49
~ 133
~ 63
(1-2)* 19
~ 49
~ 133
~ 41
(1-2)* 19
~ 27
(1-2)* 19
~ 19
(1-2)* 19
~ 19

~Quantity of strands for Classes G, H, I, K may vary by manufacturer.

Class K
~ 836
~ 665
~ 420
~ 266
~ 168
~ 104
~ 65
~ 41

*Multiple conductor approvals for LOAD side only. (copper wire only)
Aluminum Wire Range: 2/0 – #8
• Wire strip length, line side tap – 1.0”
• Wire strip length, load side – 1.0 “
• Hex key required : 5/16”
• Panel mountable: #10 fastener, torque to 25-30 in. lbs.
Accessories:
• Marker Strips. MS-X-L (Replace X with 1, 2, or 3 for no. of poles)

1 Pole

2 Pole

WWW.ILSCO.COM
1-800-776-9775

3 Pole

IL 0105 REV E 11/1/13



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