Product Data Sheet
Copper Stranded Wire only.
Wire Range with Wire Binding Screw: #12 - #22 AWG
7/16” Centers
Electrical Ratings:
• 20A with Listed ring lug or unprepared wire, (Based on NEC Table 310-16, 75°C columns)
• 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
Mechanical Ratings:
• Insulator base temperature rating: -40° C/F to 125°C (257°F) UL RTI
• Flammability rating of insulator base: UL 94V-0
Materials:
• Connector (Contact): Brass, tin plated.
• Insulator base: Glass filled Polycarbonate (Thermoplastic)
• Drive screw (Rivet): Stainless steel
• Screw, #6-32 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
621 RZ XX 3765
Replace “XX” with 01 through 30 for number of poles
Terminal Block– Closed Back
With Sems Pressure Saddle Screw
20 Amps, 600 Volts (AC/DC)
(6 Pole shown)
Wire Range:
Copper Wire Stranding Classes - Number of Conductors
Wire Size Torque Solid Class B Class C
12 12 in. Lbs 1 1
14 12 in. Lbs 1 1
16 12 in. Lbs 1 1
18 12 in. Lbs 1 1
20 12 in. Lbs 1 1
22 12 in. Lbs 1 1
Mounting:
Suggested product mounting hardware: #6 fastener, torque to 10-15 in. lbs.
Accessories:
• Printing: for printing options, see Terminal Block Printing
http://marathonsp.com/CatalogPDFs/TBPrinting.pdf
• Marking strips (Sub mounted or Top mounted)
http://marathonsp.com/CatalogPDFs/TopMountedMS.pdf
http://marathonsp.com/CatalogPDFs/SubMounted.pdf
• Cover – top mounted (May not accommodate some hardware options) .
Order CW (white) or CB (Black). Can be printed.
http://marathonsp.com/CatalogPDFs/TopMountedCover.pdf
Dimensions Dimensions
Catalog No # of Poles A B Catalog No # of Poles A B
621 RZ 01 1 1.19 0.88 X621 RZ 16 16 7.75 7.44
621 RZ 02 2 1.62 1.31 X621 RZ 17 17 8.19 7.88
621 RZ 03 3 2.06 1.75 X621 RZ 18 18 8.62 8.31
621 RZ 04 4 2.50 2.19 X621 RZ 19 19 9.06 8.75
621 RZ 05 5 2.94 2.63 X621 RZ 20 20 9.50 9.19
621 RZ 06 6 3.37 3.06 X621 RZ 21 21 9.93 9.62
621 RZ 07 7 3.81 3.50 X621 RZ 22 22 10.37 10.06
621 RZ 08 8 4.25 3.94 X621 RZ 23 23 10.81 10.50
621 RZ 09 9 4.68 4.37 X621 RZ 24 24 11.24 10.93
621 RZ 10 10 5.12 4.81 X621 RZ 25 25 11.68 11.37
621 RZ 11 11 5.56 5.25 X621 RZ 26 26 12.12 11.81
621 RZ 12 12 5.99 5.68 X621 RZ 27 27 12.55 12.24
621 RZ 13 13 6.43 6.12 X621 RZ 28 28 12.99 12.68
621 RZ 14 14 6.87 6.56 X621 RZ 29 29 13.43 13.12
621 RZ 15 15 7.31 7.00 X621 RZ 30 30 13.86 13.55
MM = Dim X 25.4
PDS 0258 REV B 09/27/12
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