Marathon Special Products 135X707 Data Sheet
Product Data Sheet
135X707
Power Distribution Block
UL Listed
Category QPQS
950 Amps, 600 Volts (AC/DC)
Provides Feeder Circuit Terminal Spacing up to 600 Volts per UL 508A, Section 10.
Wire Range:
Line Side: (2) 750kcmil – 1/0 AWG
Load Side: (4) 3/0 - 6 AWG
(12) #2 –14 AWG
See tables below for SCCR wire ranges, flexible stranded and multiple wire approvals.
Electrical Ratings:
• 950A copper wire, 770A aluminum wire (Based on NEC Table 310-16, 75°C columns)
• UL Voltage Rating: 600 Volts AC/DC (UL 1953)
• Factory and Field Wiring
Agency Certifications:
• UL Listed, Investigated to UL 1953, File QPQS.E309401
• RoHS Compliant
Short Circuit Current Ratings:
SCCR Rating applies for Copper Stranded wire only
UL Class B, C (known as Rigid Stranded, Building Wire, Code Wire)
UL Class G, H, I (Flexible Stranded, includes DLO)
Suitable Conductors (kcmil/AWG)
Line
Size Class Size Class J T RK1 RK5 G
Load
Overcurrent Protection
C lass/M ax Amp RatingCopper, S t randed
SCCR, RMS Vo lts
SYM Amps Max
3/0 - 2 B ,C
75 0 - 1/0 B, C
535-1/0 G, H, I 3/0 - 6 B,C
2/ 0 - 2 G, H, I
2/ 0 - 6 G, H, I
Small Op ening
2 - 6 B, C
4 - 6 G, H, I
600 700 600
500 500 400 200 60
300 300 200 100 60
300 300 200 100 60
200 60
100,000
600
For DC power or any wire combinations or Overcurrent Protection not shown- SCCR is
10,000A
Minimum Enclosure Size: 20” x 24” x 8” (3840 cu. In)
750
1/0
67.8
600
B, C
535
1/0
67.8
600
G,H, I
750
1/0
67.8
600
S
d
G
C12
C
C
2
5
5
5
S
G
3/0
20.3
180
S
d
125.750S
d
1
A
C
Mechanical Ratings:
• Maximum insulator base temperature: 125°C (257°F) UL RTI
• Flammability rating of insulator base: UL 94 V-0
Materials:
• Connector: High conductivity aluminum, tin plated
• Insulator base: Glass filled polycarbonate (thermoplastic)
• Terminal screws: Aluminum, tin plated and Steel, nickel plated
• Connector mounting screw: Steel, zinc plated
Wire Ranges, Wire Types, Torque Ratings: 135X707
UL Class B, C (known as Rigid Stranded, Building Wire, Code Wire)
UL Class G, H, I (Flexible Stranded, includes DLO)
Line Side 2) 750 kcmil - 1/0 AWG
opper Conductor
Wire Size Torque
kcmil - AWG N.m in. lbs UL Class
-
-
Aluminum Conductor
Wire Size Torque
kcmil - AWG N.m in. lbs Type
-
trande
Load Side 8) 3 /0 - 6 AWG Load Side 12) 2 -14 AWG
Copper Conductor
Wire Size Torque N o. Pe r W ire Siz e To rque No. Per
kcmil - AWG N.m in. lbs UL C l ass Openi ng kcmil - AW
3/0 20.3 180 B,
2/0 20.3 180 B, C, G, H, I 1 3 5.7 50 B,
1/0 20.3 1 80 B, C, G, H, I 1 4 5.7 50 B, C, G, H, I 1
1 20.3 180 B, C, G, H, I 1 6 5.7 50 B, C, G, H, I 1
20.3 180 B, C, G, H, I 1 8 5.7 50 B, C, G, H, I 1
3 20.3 180 B, C, G, H, I 1 10 4.
4 20.3 180 B, C, G, H, I 1 12 4.
6 20.3 180 B, C, G, H, I 1 14 4.
A luminum Conduc tor
Wire
ize Torque No. Per Wire Size Torque No. Per
kcmil - AWG N.m in. lbs Typ e Opening kcmil - AW
- 6
trande
3 5.7 50 Stranded 1
4 5.7 50 Stranded 1
6 5.7 50 Stranded 1
luminum Conductor (#8 AWG Minimum)
Copper Conductor
N.m in. lbs UL Class Opening
5.7 50 B,
40 B, C, G, H, I* 1
40 B, C, G, H, I* 1
40 B, C, G, H, I* 1
*A lso So lid Cu 1
N.m in. lbs Type Opening
trande
Installation:
• Wire strip length, line and load side tap – 1 ¾”
• Wire strip length, load side tap, top row – 7/8; bottom row – 1 7/8”
• Panel mountable: recommende d fastener (4) per pole, ¼ “ or 6mm
Torque to 30 in. lbs. (3.4 N.m)
Line Side 750 kcmil wire opening- diameter 1.125” (28.5 mm)
Load Side 3/0 AWG wire opening -diameter .547” (13.9 mm)
oad Side #2 AWG wire opening- diameter .312” (7.9 mm)
L
1
1
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