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100 Van Camp Road P.O. Box 468 Bowling Green, OH 4402 Standard Power Distribution Blocks With High Short-Circuit Current Ratings offers 600 Volt Power Distribution Blocks with high SCCR s in response to new 2005 NEC and UL508A marking requirements The requirements of the 2005 National Electric Code (NEC) and UL508A now require many electrical panels to carry a Short Circuit Current Rating (SCCR). Analyzing the SCCR of individual components and overcurrent protection devices is a method of determining the SCCR of an electrical assembly. s Power Distribution Blocks are standard products that have been used in electrical control panels for over 5 years. These blocks have now been tested and approved for higher SCCR. The higher ratings are based on proper wire sizes and the appropriate circuit protection device. UL508A does allow default SCCR for Power Distribution Blocks of 10,000A with no additional testing. s Power Distribution Blocks (UL File # E62806) are recognized under UL Standard 1059 and have been investigated by UL for Short-Circuit Current Ratings (SCCR) as described in the UL Guide Information for category XCFR2; Terminal Blocks-Component. 's new Power Distribution Blocks (UL File # E09401) are listed to UL 195. The feeder spacing requirements of UL508A are achieved with these blocks. UL 195 Listed Power Distribution Blocks meeting spacing requirements for UL 508A service entrance clearances. Short-Circuit Current Ratings (SCCR) with fuses up to 100,000 ka and circuit breakers up to ka. Power Distribution Block with hinge cover UL 1059 Recognized Power Terminal Blocks with SCCR ratings with fuses up to 200,000kA and circuit breakers up to ka. For rating details see detailed data sheets at www.marathonsp.com. These data sheets contain valuable product information including a photo of the product, technical drawings, short circuit current ratings, electrical and mechanical ratings and agency approvals. Phone: (419) 52-8441 * Fax: (800) 515-7151 * Website: www.marathonsp.com

High SCCR with Fuse Protection UL 1059 Rated Wire Range Suitable Conductors Overcurrent Protection Fuse Required SCCR, RMS Catalog # Poles Amps (openings) kcmil/awg (kcmil/awg) (2) Line Load Line Load J T RK1 RK5 G CC 121570 1 122570 2 175 (1) 2/0-14 (4) 4-14 2/0-6 4-14 200 200 200 100 60 0 100,000 12570 121572 1 122572 2 175 (1) 2/0-14 (1) 2/0-14 2/0-6 2/0-6 200 200 200 100 60 0 100,000 12572 121574 1 2/0-6 2/0-6 00 00 200 100 60 0 100,000 (1) 1/4-20 x 122574 2 175 (1) 2/0-14 1/2 12574 8-10 8-10 150 150 100 0 60 0 100,000 121580 1 122580 2 175 (1) 2/0-14 (6) 4-14 2/0-6 4-14 200 200 200 100 60 0 100,000 12580 121970 1 122970 2 175 (1) 2/0-14 (4) 4-14 2/0-6 4-14 200 200 200 100 60 0 100,000 12970 121972 1 122972 2 175 (1) 2/0-14 (1) 2/0-14 2/0-6 2/0-6 00 00 200 100 60 0 100,000 12972 1120 1 1220 2 510 (2) - 1/0 (2) - 1/0-1/0-1/0 600 600 400 200 60 0 100,000 120 1160 1 600 600 - - - - 50,000 1260 2 420 (1) 600-2 (1) 600-2 600-2 600-2 160 400 400 400 200 60 0 100,000 11552 1 400 - /0 2-8 400 400 400 100 60 0 100,000 12552 2 5 (1) 400-6 (4) 2-14 1552 2/0-6 2-14 200 200 200 100 60 0 100,000 11554 1 50 - /0 2/0-1 600 600 400 200 60 0 100,000 12554 2 10 (1) 50-6 (2) 2/0-14 1554 2/0-6 4-10 200 200 200 100 60 0 100,000 11555 1 2/0-2 4-8 400 400 400 100 60 0 100,000 12555 2 50 (2) 2/0-14 (6) 4-14 1555 4-6 10-14 200 200 200 100 60 0 100,000 11559 1 (1) /8-16 x 12559 2 10 (1) 50-6 1 1/4 1559 50-4 50-4 400 400 400 200 60 0 11585 1 600 - /0 2-8 12585 2 420 (1) 600-2 (8) 2-14 400 400 400 200 60 0 100,000 1585 2/0-2 2-14 200 200 200 100 60 0 100,000 11587 1 () 2-14 500 - /0 50-6 600 600 400 200 60 0 100,000 12587 2 80 (1) 500-4 1587 (1) 50-6 2/0-4 2-14 200 200 200 100 60 0 100,000 11588 1 (6) 2-14 600 - /0 1/0-8 600 600 400 200 60 0 100,000 12588 2 420 (1) 600-2 1588 () 1/0-14 2/0-2 2-14 200 200 200 100 60 0 100,000 11595 1 600 - /0 4-8 600 600 400 200 60 0 100,000 12595 2 420 (1) 600-2 (12) 4-14 1595 2/0-2 4-14 200 200 200 100 60 0 100,000 11596 1 12596 2 510 (2) - 1/0 (12) 4-14 - 1/0 4-14 600 600 600 200 60 0 100,000 1596 11597 1 12597 2 510 (2) - 1/0 (8) 2-14 - 1/0 2-14 600 600 600 200 60 0 100,000 1597 1195 1 500 - /0 2-10 1295 2 80 (1) 500-4 (6) 2-14 400 400 400 200 60 0 100,000 195 2/0-4 2-14 200 200 200 100 60 0 100,000 () Maximum size of line side overcurrent protection to provide noted SCCR Page 2

High SCCR with Fuse Protection UL 1059 Rated Wire Range Suitable Conductors Overcurrent Protection Fuse Required SCCR, RMS Catalog # Poles Amps (openings) kcmil/awg (kcmil/awg) (2) Line Load Line Load J T RK1 RK5 G CC 11955 1 2/0-2 4-8 400 400 400 100 60 0 100,000 12955 2 50 (2) 2/0-14 (6) 4-14 1955 4-6 10-14 200 200 200 100 60 0 100,000 1402401 2 2/0-6 4-14 200 200 200 100-0 200,000 175 (1) 2/0-14 (6) 4-14 140401 2/0-6 4-14 - - - - 60-100,000 1402402 2 140402 175 (1) 2/0-14 (4) 4-14 2/0-6 4-14 200 200 200 100 60 0 100,000 50 - /0 4-8 400 400 400 200-0 200,000 1402404 2 50 - /0 4-8 600 - - - 60-100,000 10 (1) 50-6 (6) 4-14 140404 2/0-6 4-14 200 200 200 100-0 200,000 2/0-6 4-14 - - - - 60-100,000 141100 1 2-6 2-6 200 200 200 100 60 0 100,000 141200 2 115 (1) 2-14 (1) 2-14 14100 8-10 8-10 100 100 100-60 0 100,000 141400 4 1411400 1 2-6 10-14 200 200 200 100 60 0 200,000 1412400 2 115 (1) 2-14 (4) 10-16 141400 10-8 10-14 100 100 100 0 60 0 100,000 1414400 4 1421120 1 1422120 2 175 (1) 2/0-14 (1) 2/0-14 2/0-6 2/0-6 00 00 200 100 60 0 142120 1421552 1 2-6 2-6 00 00 200 100 60 0 100,000 1422552 2 115 (1) 2-14 (1) 2-14 142552 8-10 8-10 150 150 100 60 60 0 100,000 142155 1 2/0-6 2/0-6 200 200 200 100 60 0 100,000 (1) 1/4-20 X 142255 2 175 (1) 2/0-14 1/2 14255 8-10 8-10 100 100 100 100 60 0 100,000 1421570 1 1422570 2 175 (1) 2/0-14 (4) 4-14 2/0-6 4-14 200 200 200 100 60 0 100,000 142570 1421572 1 1422572 2 175 (1) 2/0-14 (1) 2/0-14 2/0-6 2/0-6 00 00 200 100 60 0 142572 1421574 1 2/0-6 2/0-6 200 200 200 100 60 0 100,000 (1) 1/4-20 X 1422574 2 175 (1) 2/0-14 1/2 142574 8-10 8-10 100 100 100 100 60 0 100,000 1421970 1 1422970 2 175 (1) 2/0-14 (4) 4-14 2/0-6 4-14 200 200 200 100 60 0 100,000 142970 141552 1 400 - /0 2-8 400 400 400 100 60 0 100,000 142552 2 5 (1) 400-6 (4) 2-14 14552 2/0-6 2-14 200 200 200 100 60 0 100,000 14155 14255 1455 1 2 5 (1) 400-6 (6) 2-14 400 - /0 2-8 400 400 400 200-0 200,000 400 - /0 2-8 600 - - - 60-100,000 2/0-6 2-14 200 200 200 100-0 200,000 2/0-6 2-14 - - - - 60-100,000 141554 1 50 - /0 2/0-450 450 400 200 60 0 100,000 142554 2 10 (1) 50-6 (2) 2/0-14 14554 2/0-6 4-6 00 00 200 100 60 0 100,000 141555 1 2/0-2 4-8 400 400 400 100 60 0 100,000 142555 2 50 (2) 2/0-14 (6) 4-14 14555 4-6 10-14 00 00 200 100 60 0 100,000 141559 1 (1) /8-16 x 142559 2 10 (1) 50-6 1 1/8 14559 50-4 50-4 400 400 400 100 60 0 () Maximum size of line side overcurrent protection to provide noted SCCR Page

High SCCR with Fuse Protection UL 1059 Rated Wire Range Suitable Conductors Overcurrent Protection Fuse Required SCCR, RMS Catalog # Poles Amps (openings) kcmil/awg (kcmil/awg) (2) Line Load Line Load J T RK1 RK5 G CC 141587 1 () 2-14 500 - /0 50-6 600 600 400 200 60 0 100,000 142587 2 80 (1) 500-4 14587 (1) 50-6 2/0-4 2-14 200 200 200 100 60 0 100,000 14195 1 500 - /0 2-8 400 400 400 200 60 0 100,000 14295 2 80 (1) 500-4 (6) 2-14 1495 2/0-4 2-14 200 200 200 100 60 0 100,000 141955 1 2/0-2 4-8 400 400 400 100 60 0 100,000 142955 2 50 (2) 2/0-14 (6) 4-14 14955 4-6 10-14 200 200 200 100 60 0 100,000 1441551 1 500 - /0 2-8 600 600 400 200 60 0 100,000 1442551 2 80 (1) 500-4 (6) 2-14 144551 2/0-4 2-14 200 200 200 100 60 0 100,000 1441560 1 400 - /0 2-8 400 400 400 200 60 0 100,000 1442560 2 5 (1) 400-6 (8) 2-14 144560 2/0-6 2-14 200 200 200 100 60 0 100,000 1441557 1 600 600 - - - - 50,000 1442557 2 420 (1) 600-4 (1) 600-4 600-2 600-2 144557 400 400 400 200 60 0 100,000 1451129 1 600 600 - - - - 50,000 1452129 2 620 (2) 50-4 (2) 50-4 50-4 50-4 145129 450 450 400 200 60 0 100,000 145101 1 145201 2 760 (2) 500-4 (2) 500-4 500-4 500-4 600 600 400 200 60 0 100,000 14501 1451552 1 500 - /0 2-8 400 400 400 200 60 0 100,000 1452552 2 80 (1) 500-4 (12) 2-14 145552 2/0-4 2-14 200 200 200 100 60 0 100,000 1451579 1 500 - /0 2/0-6 400 400 400 100 60 0 100,000 1452579 2 80 (1) 500-4 (6) 2/0-14 145579 2/0-4 8-14 200 200 200 100 60 0 100,000 1451586 1 500-2/0-4 600 600 400 200 60 0 100,000 1452586 2 760 (2) 500-4 (8) 2/0-14 600 600 - - - - 50,000 4/0-4 2/0-10 145586 400 400 400 200 60 0 100,000 1451592 1452592 145592 1 2 760 (2) 500-4 (12) 4-14 400 400 400 200 60 0 100,000 400 400 400 200 60 0 100,000 1451594 1 500 - /0 2-8 600 600 400 200 60 0 100,000 1452594 2 80 (1) 500-4 (8) 2-14 145594 2/0-4 2-14 200 200 200 100 60 0 100,000 1451599 1 500-4/0 500-4/0 600 600 400 200 60 0 (2) /8-16 x 1452599 2 760 (2) 500-4 1 5/16 145599 /0-4 /0-4 400 400 400 100 60 0 1451986 1 500-2/0-4 600 600 400 200 60 0 100,000 1452986 2 760 (2) 500-4 (8) 2/0-14 600 600 - - - - 50,000 4/0-4 2/0-6 145986 400 400 400 200 60 0 100,000 1451992 1452992 145992 1 2 500-4 - 8 4/0-4 4-14 760 (2) 500-4 (12) 2-14 500-2 - 8 4/0-4 2-14 400 400 400 200 60 0 100,000 600 600 - - - - 50,000 400 400 400 200 60 0 100,000 EPBAD41 1 175 (1) 2/0-14 (1) 2/0-14 2/0-6 2/0-6 00 00 200 100 60 0 100,000 () Maximum size of line side overcurrent protection to provide noted SCCR Page 4

High SCCR with Fuse Protection UL 1059 Rated Wire Range Suitable Conductors Overcurrent Protection Fuse Required SCCR, RMS Catalog # Poles Amps (openings) kcmil/awg (kcmil/awg) (2) Line Load Line Load J T RK1 RK5 G CC EPBAD44 1 175 (1) 2/0-14 (4) 2-14 2/0-6 2-14 00 00 200 100 60 0 100,000-1/0-1/0 EPBAP71 1 510 (2) - 6 (2) - 6 400 400 400 200 60 0 100,000 2-6 2-6 400 400 400 200 60 0 100,000 (1) 400-6 400 - /0 2-8 400 400 400 200 60 0 100,000 EPBAP74 1 5 (8) 2-14 (1) 2/0-14 2/0-6 2-14 200 200 200 100 60 0 100,000 EPBCD41 1 175 (1) 2/0-14 (1) 2/0-14 2/0-6 2/0-6 00 00 200 100 60 0 100,000 EPBCD44 1 175 (1) 2/0-14 (4) 2-14 2/0-6 2-14 00 00 200 100 60 0 100,000-1/0-1/0 EPBCP71 1 510 (2) - 6 (2) - 6 400 400 400 200 60 0 100,000 2-6 2-6 400 400 400 200 60 0 100,000 (1) 400-6 400 - /0 2-8 400 400 400 200 60 0 100,000 EPBCP74 1 5 (8) 2-14 (1) 2/0-14 2/0-6 2-14 200 200 200 100 60 0 100,000 () Maximum size of line side overcurrent protection to provide noted SCCR Page 5

High SCCR with Circuit Breaker Protection UL 1059 Suitable Conductors Overcurrent Protection Volts SCCR, RMS Catalog # Poles (kcmil/awg) (2) Circuit Breaker Required Max Line Load Mfr Type Max Amp 1402401 2 (1) 2/0-6 (6) 4-10 Square D JJL6 140401 141100 1 (1) 2-6 (1) 2-6 Square D JJL6 141200 2 HDL6100 14100 HGL6100 (1) 8-10 (1) 8-10 Square D 100 HJL6100 141400 4 HLL6100 140U-HC 2-10 10-14 Allen Bradley 1411400 1 140U-H6C 125 25,000 (1) 2-6 (4) 10 1412400 2 Square D JJL6 (1) 8-10 (4) 14 141400 HDL6100 1414400 4 HGL6100 (1) 8-10 (4) 14 Square D 100 HJL6100 HLL6100 1421121 1 JJL6 (1) 1/0-8 (1) 1/0-8 Square D 1422121 2 142121 1421570 1 2/0-1 4-10 140U-JD 22,000 2-4 4-12 140U-J6D Allen Bradley 2-6 4-14 140U-HC 125 0,000 1422570 2 2-6 4-14 140U-H6C 125 50,000 142570 JJL6 (1) 2/0-10 (4) 4-10 Square D 1421970 1 (1) 2/0-8 (4) 4-8 Square D 1422970 2 JJL6 142970 141552 1 JJL6 (1) 2/0-4 (4) 2-8 Square D 142552 2 14552 140U-K6X 400-/0 2-8 400 14155 1 140U-KX Allen-Bradley 140U-J6X 4/0-4 2-12 25,000 14255 2 140U-JX 1455 JJL6 (1) 2/0-6 (6) 2-10 Square D 141555 1 JJL6 (2) 1/0-8 (6) 4-10 Square D 142555 2 14555 () Maximum size of line side overcurrent protection to provide noted SCCR Page 6

High SCCR with Circuit Breaker Protection UL 1059 Suitable Conductors Overcurrent Protection Volts SCCR, RMS Catalog # Poles (kcmil/awg) (2) Circuit Breaker Required Max Line Load Mfr Type Max Amp 14195 1 2/0-4 2-8 Square D 14295 2 JJL6 1495 141955 1 JJL6 (2) 2/0-2 (6) 4-8 Square D 142955 2 JDL6175 JGL6175 175 14955 JJL6175 175 (2) 4-6 (6) 10-12 Square D JLL6175 1441560 1 JJL6 (1) 2/0-6 (6) 2-10 Square D 1442560 2 144560 1451552 1 JJL6 (1) 2/0-4 (12) 2-8 Square D 1452552 2 145552 1451579 1 JJL6 (1) 2/0-4 (6) 8 Square D 1452579 2 145579 () Maximum size of line side overcurrent protection to provide noted SCCR Page 7

Listed Power Blocks UL 1059 Suitable Conductors Overcurrent Protection Fuse Required SCCR, RMS Volts Catalog # Poles (kcmil/awg) (2) Max Line Load J T RK1 RK5 G CC FPB2570CH 2/0-6 4-14 200 200 200 100 60 0 100,000 600 FPB2572CH 2/0-6 2/0-6 200 200 200 100 60 0 100,000 600 2/0-6 2/0-6 200 200 200 100 60 0 FPB2574CH 100,000 600 8-10 8-10 100 100 100 0 60 0 FPB2580CH 2/0-6 4-14 200 200 200 100 60 0 100,000 600 600-/0 1/0-8 600 600 400 200 60 0 FPB55CH 100,000 600 2/0-2 2-14 200 200 200 100 60 0 400-/0 2-8 400 400 400 100 60 0 FPB588CH 100,000 600 2/0-6 2-14 200 200 200 100 60 0 600-/0 4-8 600 600 400 100 60 0 FPB595CH 100,000 600 2/0-2 4-12 200 200 200 100 60 0 () Maximum size of line side overcurrent protection to provide noted SCCR Suitable Conductors Maximum Overcurrent Protection SCCR, RMS Volts Catalog # Poles Copper (kcmil/awg) Circuit Breaker Allowed SYM Amps Max Line Load Mfg Type Max Amp FPB55CH 2/0-6 2-10 Square D JJL6 FPB588CH 2/0-2 2-8 Square D JJL6 FPB595CH 2/0-2 4-10 Square D JJL6 Page 8

Listed Power Distribution Blocks UL 195 QPQS.E09401 Suitable Conductors Overcurrent Protection Fuse Required (kcmil/awg) (2) Line Load Size Class Size Class J T RK1 RK5 G CC Catalog # Poles 151701 (CH) 1 750-1/0 B, C 750-1/0 B, C 600 1200 600 400 60-152701 (CH) 2 100000 600 15701 (CH) 55-1/0 G, H, I 55-1/0 G, H, I 600 700 600 200 60-151702 (CH) 1 750-1/0 B, C 750-1/0 B, C 600 1200 600 400 60-152702 (CH) 2 100000 600 15702 (CH) 55-1/0 G, H, I 55-1/0 G, H, I 600 700 600 200 60 - -2 B, C, 15170 (CH) 1 /0-2 G, H, I 600 700 600 200 60-750-1/0 B, C, 15270 (CH) 2 100000 600 55-1/0 G, H, I 1570 (CH) -6 B, C, 00 00 200 100 60 - /0-6 G, H, I 2/0-2 B, C, 151704 (CH) 1 1-2 G, H, I 600 700 600 200 60-750-1/0 B, C, 152704 (CH) 2 100000 600 55-1/0 G, H, I 15704 (CH) 2/0-6 B, C, 00 00 200 100 60-1-6 G, H, I 151705 (CH) 1-2 /0-2 B, C, G, H, I 600 700 600 200 60 - -6 B, C, 152705 (CH) 2 750-1/0 B, C, 100000 600 /0-6 G, H, I 00 00 200 100 60-55-1/0 G, H, I 15705 (CH) #2 Opening 2-6 4-6 B, C, G, H, I 00 00 200 100 60-151706 (CH) 1-2 /0-2 B, C, G, H, I 600 700 600 200 60 - -6 B, C, 152706 (CH) 2 750-1/0 B, C, 100000 600 /0-6 G, H, I 00 00 200 100 60-55-1/0 G, H, I 15706 (CH) #2 Opening 2-6 4-6 B, C, G, H, I 00 00 200 100 60 - /0-2 B, C 600 700 600 200 60-151707 (CH) 1 2/0-2 G, H, I 500 500 400 200 60-152707 (CH) 2 750-1/0 B, C, /0-6 B, C, 55-1/0 G, H, I 2/0-6 G, H, I 00 00 200 100 60-15707 (CH) Small Opening 2-6 B, C, 4-6 G, H, I 00 00 200 100 60 - SCCR, RMS 100000 600 /0-2 B, C 600 700 600 200 60-151708 (CH) 1 750-1/0 B, C, 152708 (CH) 2 2/0-2 G, H, I 500 500 400 200 60-55-1/0 G, H, I 15708 (CH) /0-6 B, C, 00 00 200 100 60-2/0-6 G, H, I 100000 600 () Maximum size of line side overcurrent protection to provide noted SCCR Volts Max Page 9