Marathon Special Products Power Distribution Blocks


Marathon Special Products Power Distribution Blocks

Marathon Main Selection Page

Barrier Strips
(Single Row)

Barrier Strips
(Double Row)

Heavy-Duty Blocks

UL Listed Power Blocks

UL Listed Power Distribution Blocks
175 to 335 Amps with feeder spacing

UL Listed Power Distribution Blocks
475 to 950 Amps

UL Listed EPB Series Enclosed Power Blocks

Power Blocks

EPB Series Enclosed Power Blocks

Power Dist. Blocks
60 to 335 Amps

Power Dist. Blocks
350 to 510 Amps

Power Dist. Blocks
690 to 2280 Amps

Power Splicer Blocks

Power Stud Blocks

Splicer / Stud Blocks

Power Stud to Distribution

Power Block and Cover Dimensions (pdf)

Additional Documentation

Flexible Stranded Wire Compliance

Components for the Solar Power Industry

Windpower Components

Short-Circuit Current Ratings (SCCR)

1,000 Volt CE Ratings - Voltage Ratings per IEC 60947-1 and
IEC 60947-7-1

Marathon Special Products Power Distribution Blocks - 60 to 335 Amps

General Information

Power Terminal Blocks are available in eight molding sizes. They are identified by the first three digits of the catalog number. The 140x, 142x, 143x, 144x and 145x series are manufactured with general purpose phenolic rated at 150° C. The 141x, 132x, and 133x series are manufactured with high impact thermoplastic rated at 125°C.
All Power Terminal Blocks are UL recognized file number XCFR2.E62806 and CSA certified file number LR19766, unless noted.
Connector Wire Hole Size: Conductor Opening.....Diameter of Opening #10-18 . . . . . . . . . . . . . . . . . . . . . . . . . . .158in #4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . .250in #2-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . .312in #2/0-14 . . . . . . . . . . . . . . . . . . . . . . . . . . .438in 250kcmil-6 . . . . . . . . . . . . . . . . . . . . . . . .630in 350kcmil-6 . . . . . . . . . . . . . . . . . . . . . . . .718in 400kcmil-6 . . . . . . . . . . . . . . . . . . . . . . . .769in 500kcmil-4 . . . . . . . . . . . . . . . . . . . . . . . .875in 600kcmil-2 . . . . . . . . . . . . . . . . . . . . . . . .938in

General Specifications

600 Volts AC/DC
Connector, High Conductive Aluminum, Tin Plated, Rated for Copper and Aluminum Wire
CU Connector, High Conductive Copper, Tin Plated, Rated for Copper Wire Only
Amp Rating Based on NEC Table 310-16 Using 75°C Copper Wire
*Wire Connector Rated 90°C
Openings rated for #4-14 AWG are multiple wire rated: (2) #10 CU Str, (2 to 4) #12 CU Str, and (2 to 4) #14 CU Str.
Openings rated for #2-14 AWG are multiple wire rated: (2) #8 CU Str, (2) #10 CU Str, (2) #12 CU Str, And (2) #14 CU Str
CE (Up to 1000 Volts AC/DC)

Part Number	Poles	Amps	Material		Line Config.	Line Wire Range	Holes per pole	Load Config.	Load Wire Range	Holes per pole
			Insulator	Conn.
1411403	1	60	Plastic	AL	*	#2-#14 AWG	1		#10-#16 AWG	2
1412403	2
1413403	3
1414403	4
1411400	1	115	Plastic	AL		#2-#14 AWG	1		#10-#18 AWG	4
1412400	2
1413400	3
1414400	4
1320570	Adder	175	Plastic	AL		2/0-#14 AWG	1		#4-#14 AWG	4
1321570 1321570CH	1
1322570 1322570CH	2
1323570 1323570CH	3
1421570	1	175	Phenolic	AL		2/0-#14 AWG	1		#4-#14 AWG	4
1422570	2
1423570	3
1320580	Adder	175	Plastic	AL		2/0-#14 AWG	1		#4-#14 AWG	6
1321580	1
1322580	2
1323580	3
1402402	2	175	Phenolic	AL		2/0-#14 AWG	1		#4-#14 AWG	4
1403402	3
1402401	2	175	Phenolic	AL		2/0-#14 AWG	1		#4-#14 AWG	6
1403401	3
1320970	Adder	175	Plastic	CU		2/0-#14 AWG	1		#4-#14 AWG	4
1321970 1321970CH	1
1322970 1322970CH	2
1323970 1323970CH	3
1421970	1	175	Phenolic	CU		2/0-#14 AWG	1		#4-#14 AWG	4
1422970	2
1423970	3
1402404	2	310	Phenolic	AL		350 kcmil- #6 AWG	1		#4-#14 AWG	6
1403404	3
1331554 1331554CH	1	310	Plastic	AL		350 kcmil- #6 AWG	1		2/0-#14 AWG	2
1332554 1332554CH	2
1333554 1333554CH	3
1402410	2	310	Phenolic	AL		350 kcmil- #6 AWG	1		2/0-#14 AWG	2
1403410	3
1431554	1	310	Phenolic	AL		350 kcmil- #6 AWG	1		2/0-#14 AWG	2
1432554	2
1433554	3
1441401	1	335	Phenolic	AL		400 kcmil- #6 AWG	1		#2-#14 AWG	6
1442401	2
1443401	3
1431552	1	335	Phenolic	AL		400 kcmil- #6 AWG	1		#2-#14 AWG	4
1432552	2
1433552	3
1431553	1	335	Phenolic	AL		400 kcmil- #6 AWG	1		#2-#14 AWG	6
1432553	2
1433553	3
1441560	1	335	Phenolic	AL		400 kcmil- #6 AWG	1		#2-#14 AWG	8
1442560	2
1443560	3
1331552 1331552CH	1	335	Plastic	AL		400 kcmil- #6 AWG	1		#2-#14 AWG	4
1332552 1332552CH	2
1333552 1333552CH	3

CH = Block is also available with hinge cover attached (not available on Adder blocks)

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