Marathon Special Products Power Distribution Blocks

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.
1431555	1	350	Phenolic	AL		#2/0-#14 AWG	2		#4-#14 AWG	6
1432555	2
1433555	3
1331555 1331555CH	1	350	Plastic	AL		#2/0-#14 AWG	2		#4-#14 AWG	6
1332555 1332555CH	2
1333555 1333555CH	3
1431955	1	350	Phenolic	CU		#2/0-#14 AWG	2		#4-#14 AWG	6
1432955	2
1433955	3
1331955 1331955CH	1	350	Phenolic	CU		#2/0-#14 AWG	2		#4-#14 AWG	6
1332955 1332955CH	2
1333955 1333955CH	3
1431953 1431953CH	1	380	Phenolic	CU		500 kcmil - #4 AWG	1		#2-#14 AWG	6
1432953 1432953CH	2
1433953 1433953CH	3
1331953	1	380	Plastic	CU		500 kcmil - #4 AWG	1		#2-#14 AWG	6
1332953	2
1333953	3
1441551	1	380	Phenolic	AL		500 kcmil - #4 AWG	1		#2-#14 AWG	6
1442551	2
1443551	3
1451579	1	380	Phenolic	AL		500 kcmil - #4 AWG	1		#2/0-#14 AWG	6
1452579	2
1453579	3
1331587 1331587CH	1	380	Plastic	AL		500 kcmil - #4 AWG	1		#2-#14 AWG 350 kcmil - #6 AWG	3 1
1332587 1332587CH	2
1333587 1333587CH	3
1431587	1	380	Phenolic	AL		500 kcmil - #4 AWG	1		#2-#14 AWG 350 kcmil - #6 AWG	3 1
1432587	2
1433587	3
1451594	1	380	Phenolic	AL		500 kcmil - #4 AWG	1		#2-#14 AWG	8
1452594	2
1453594	3
1451552	1	380	Phenolic	AL		500 kcmil - #4 AWG	1		#2-#14 AWG	12
1452552	2
1453552	3
1331588 1331588CH	1	420	Plastic	AL		600 kcmil - #2 AWG	1		#2-#14 AWG #1/0-#14 AWG	6 3
1332588 1332588CH	2
1333588 1333588CH	3
1331595 1331595CH	1	420	Plastic	AL		600 kcmil - #2 AWG	1		#4-#14 AWG	12
1332595 1332595CH	2
1333595 1332595CH	3
1331585 1331585CH	1	420	Plastic	AL		600 kcmil - #2 AWG	1		#2-#14 AWG	8
1332585 1332585CH	2
1333585 1333585CH	3
1331575 1331575CH	1	420	Plastic	AL		600 kcmil - #2 AWG	1		2/0-#14 AWG	4
1332575 1332575CH	2
1333575 1333575CH	3
1331565 1331565CH	1	420	Plastic	AL		600 kcmil - #2 AWG	1		250 kcmil - #1/0 AWG	2
1332565 1332565CH	2
1333565 1333565CH	3
1331596 1331596CH	1	510	Plastic	AL		250 kcmil - #1/0 AWG	2		#4-#14 AWG	12
1332596 1332596CH	2
1333596 1333596CH	3
1331597 1331597CH	1	510	Plastic	AL		250 kcmil - #1/0 AWG	2		#2-#14 AWG	8
1332597 1332597CH	2
1333597 1333597CH	3
1331598 1331598CH	1	510	Plastic	AL		250 kcmil - #1/0 AWG	2		2/0-#14 AWG	4
1332598 1332598CH	2
1333598 1333598CH	3

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

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