Marathon Special Products 621 RZ XX Data Sheet
Product Data Sheet
POWER TERMINAL BLOCK
621 RZ XX
Replace “XX” with 01 through 30 for number of poles
Terminal Block - Closed Back
Wire Range
• Line/Load: #12 - #22 AWG
• 7/16” Center to Center Spacing
Electrical Ratings
• 20A (with unprepared wire)
• 30A (when wired with crimp type ring, spade, or fork terminal)
• 600 Volts AC/DC (UL 1059 Class B, User Group – Commercial Appliances)
• Short Circuit Current Rating: 10,000A (Default)
• Approved for Factory and Field Wiring.
• NOTE: Use outside these ratings must be judged in end-use application
Agency Compliance
• UL Recognized, UL 1059 Terminal Block Standard, File No. XCFR2.E62806
• CSA Certied, CSA C22.2 No. 158, File No. LR19766
• CE compliant, IEC 60947-7-1
• RoHS Compliant
Material Information
• Insulator base:
• Thermoplastic
• Flammability rating of insulator base UL94V0
• Insulator base temperature rating: -40°C to 125°C (UL RTI)
• Connector - Brass, tin plated
• Drive screw (Rivet): Stainless steel
• Screw, #6-32 Binder head, Phil-Slot: Steel, nickel plated
1
Product Data Sheet
Wire Range
Wire Size Torque Copper Wire Stranding Classes - Number of Conductors
- - Solid Class B Class C
12 9 in. Lbs 1 1 1
14 9 in. Lbs 1 1 1
16 9 in. Lbs 1 1 1
18 9 in. Lbs 1 1 1
20 9 in. Lbs 1 1 1
22 9 in. Lbs 1 1 1
Mounting:
•#6 Fastener Mounting torque to be determined in end use application not to exceed 15 lb-in (1.7 Nm)
2 REV E 11/27/2019
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