Marathon Special Products 3XX Series Modified Data Sheet

Product Data Sheet

3XX Series Modified

Replace “XX” with 01 through 24 for number of poles

Terminal Block– Closed Back
Modified Construction
30 Amps, 600 Volts (AC/DC)

(Variety of hardware shown)

Copper Wire Only

Wire Range with Wire Binding Screw: #10 - #14 AWG
9/16” Centers

Electrical Ratings:

• 30A with unprepared wire, (Based on NEC Table 310-16, 75°C columns)

• 30A with Listed ring lug, (Based on NEC Table 310-16, 75°C columns)

• 600 Volts AC/DC (UL 1059 Class C, User Group – General Industrial)

• Short Circuit Current Rating: 10,000A (Default)

• Approved for Factory 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 Binder head, 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 1

12 20 in. Lbs 1 1 1

14 20 in. Lbs 1 1 1

F1 or KT55

Tab width: 0.250
Tab thickness: 0.032

F2 or KT56

F3 or KT57

HF1 or KT61

HF2 or KT62

HF3 or KT63

Mounting:

Suggested product mounting hardware: #8 fastener, torque to 15-20 in. lbs.

Accessories:

• Line to Line Jumper (LL300)

• Quick Connects or Fastons

• Half Quick Connects or Half Fastons

• Solder Terminal (S)

• Half Solder Terminal (HS)

• Feed Thru Solder (L)

• Feed Thru Solder (LSL)

• Sems Pressure Saddle Screw (SP)

• Sems Pressure Saddle Screw with External Lock Washer (SPSE)

• Phil-Slot Brass Screw (PSB)