Marathon Special Products 3XX Series SP Data Sheet
Product Data Sheet
3XX Series SP
Replace “XX” with 01 through 24 for number of poles
Terminal Block– Closed Back
With Sems Pressure Saddle Screw
30 Amps, 600 Volts (AC/DC)
(6 Pole shown)
Copper Wire Only
Wire Range with Wire Binding Screw: #10 - #22 AWG
(stranded wire only)
Application torque: 20 in. lbs
9/16” Centers
Electrical Ratings:
• 30A with Listed ring lug or unprepared wire, (Based on NEC Table 310-16, 75°C columns)
• 600 Volts AC/DC (UL 1059 Class C, Use Group - General Industrial)
• Short Circuit Current Rating: 10,000A (Default)
• Factory and Field Wiring.
NOTE: Use outside these ratings must be judged in end-use application
Mechanical Ratings:
• Insulator base temperature rating: -40° C/F to 150°C (302°F) UL RTI
• Flammability rating of insulator base: UL 94V-0
Materials:
• Connector (Contact): Brass, tin plated.
• Insulator base: Phenolic
• Drive screw (Rivet): Stainless steel
• Screw, #8-32 saddle plate, phil-slot: Steel, nickel plated
Agency Approvals:
• UL Recognized, UL 1059 Terminal Block Standard, File No. XCFR2.E62806
• CSA Certified, CSA C22.2 No. 158, File No. LR19766
• CE compliant, IEC 60947-7-1
• RoHS Compliant
Wire Range:
Copper Wire Stranding Classes - Number of Conductors
Wire Size Torque Solid Class B Class C
10 20 in. lbs 1 1
12 20 in. lbs 1 1
14 20 in. lbs 1 1
16 20 in. lbs 1 1
18 20 in. lbs 1 1
20 20 in. lbs 1 1
22 20 in. lbs 1 1
Mounting:
Suggested product mounting hardware: #8 fastener, torque to 15-20 in. lbs.
Accessories:
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