Product Data Sheet 621 RZ XX Replace "XX" with 01 through 30 for number of poles Terminal Block- Closed Back High Barrier 20 Amps, 600 Volts (AC/DC) (6 Pole shown) Copper Wire Only Wire Range with Wire Binding Screw: #12 - #22 AWG 7/16" Centers Application torque: 9 in. lbs Electrical Ratings: * 20A with Listed ring lug or unprepared wire, (Based on NEC Table 310-16, 75C 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 125C (257F) 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 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: Wire Size 12 14 16 18 20 22 Torque 9 in. Lbs 9 in. Lbs 9 in. Lbs 9 in. Lbs 9 in. Lbs 9 in. Lbs Copper Wire Stranding Classes - Number of Conductors Solid Class B Class C 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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 * Phil-Slot Brass Screw (PSB) Catalog No 621 RZ 01 621 RZ 02 621 RZ 03 621 RZ 04 621 RZ 05 621 RZ 06 621 RZ 07 621 RZ 08 621 RZ 09 621 RZ 10 621 RZ 11 621 RZ 12 621 RZ 13 621 RZ 14 621 RZ 15 # of Poles 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Dimensions A B 1.19 0.88 1.62 1.31 2.06 1.75 2.50 2.19 2.94 2.63 3.37 3.06 3.81 3.50 4.25 3.94 4.68 4.37 5.12 4.81 5.56 5.25 5.99 5.68 6.43 6.12 6.87 6.56 7.31 7.00 X X X X X X X X X X X X X X X Catalog No 621 RZ 16 621 RZ 17 621 RZ 18 621 RZ 19 621 RZ 20 621 RZ 21 621 RZ 22 621 RZ 23 621 RZ 24 621 RZ 25 621 RZ 26 621 RZ 27 621 RZ 28 621 RZ 29 621 RZ 30 # of Poles 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Top mounted hardware is .250" wide Dimensions A B 7.75 7.44 8.19 7.88 8.62 8.31 9.06 8.75 9.50 9.19 9.93 9.62 10.37 10.06 10.81 10.50 11.24 10.93 11.68 11.37 12.12 11.81 12.55 12.24 12.99 12.68 13.43 13.12 13.86 13.55 MM = Dim X 25.4 WWW.MARATHONSP.COM (419) 352-8441 PDS 0252 REV C 02/14/17