POWR-GARD Blocks and Holders Datasheet GDB SERIES TOUCH-SAFE POWR-BLOKS Global Distribution Blocks Features/Benefits Global part meeting UL standards Space saving design Integrated touch-safe cover to increase safety IP20 protection rating Mounts to DIN rail or panels Reliable brass connections for excellent continuity in a smaller design Specifications Voltage Rating UL: 600 VAC/VDC Ampere Rating 80 335 A Material Thermoplastic Connector GDBxxxx: Brass GDBAxxxx: Aluminum (Tin Plated) Flammability Rating UL94 V-0 Description Approvals UL Recognized (File: E309688, E171395) TM POWR-BLOKS Global Distribution Blocks add safety and UL Listed (File: E482231) mounting versatility to our distribution block solutions. The CSA Certified (File: 700111) Operating Temperature -40C to +90C Global Distribution Blocks are approved to UL standards. Storage Temperature -40C to +100C The Global Distribution Blocks are IP20 finger safe to reduce Relative Humidity 50% 40C, 90% 20C the risk of contact and eliminate the need for block or panel Environmental RoHS compliant covers. Installation is quick and easy, with DIN rail and panel mount options. Web Resources For additional information visit Littelfuse.com/gdb Electrical Specifications WIRE RANGE OVERCURRENT PROTECTION AGENCY LINE FUSE REQUIRED SCCR IN APPROVALS LOAD CONNECTION CATALOG/ CONNECTION RMS ORDERING Class RK1 CLASS CC SYM Class T Class RK5 NUMBER OPENINGS OPENINGS CLASS J (LLNRK, CLASS G (CCMR, AMPS LINE LOAD (JLLN, (FLNR, FLSR, PER POLE PER POLE (JTD ID) LLSRK, KLNR, (SLC) KLDR, JLLS) IDSR) KLSR) KLKR) 8 - 4 - - - - - GDB60801Z 1 80 1 8 - 4 6 80 100,000 10 - 14 - - - - - 8 - 2 - - - - - GDB61151Z 1 115 1 14 - 4 125 100,000 6 10 - 6 - - - - - GDB61153Z 3 115 1 8 - 2 6 14 - 4 125 - - - - - 100,000 GDBAD211Z 1 115 1 14 - 2 1 14 - 2 175 225 100 60 60 30 100,000 GDBAD241Z 1 115 1 10 - 2 4 14 - 10 125 200 100 30 60 30 65,000 GDB61601Z 1 160 1 8 - 2/0 6 14 - 4 175 - - - - - 100,000 GDB61753Z 3 175 1 8 - 2/0 6 14 - 4 175 - - - - - 100,000 GDBAD421Z 1 200 1 8 - 3/0 1 8 - 3/0 225 225 200 60 60 30 100,000 GDBAP421Z 1 200 1 8 - 3/0 1 8 - 3/0 225 225 200 60 60 30 100,000 8 - 3/0 8 - 2 225 225 200 60 60 GDBAD451Z 1 200 1 4 30 100,000 8 - 3/0 14 - 8 100 110 100 30 60 8 - 3/0 8 - 2 225 225 200 60 60 GDBAP451Z 1 200 1 4 30 100,000 8 - 3/0 14 - 8 100 110 100 30 60 14 - 2 3/0 - 350 GDB63101Z 1 310 1 11 14 - 6 350 - - - - - 100,000 kcmil 14 - 8 6 - 400 kcmil GDBAD741Z 1 335 1 8 14 - 2 - - - - - - 10,000 14 - 3/0 1 of 10 littelfuse.com 2019 Littelfuse Products Rev: 101319 POLES AMPS UR cURus UL CSA POWR-GARD Blocks and Holders Datasheet GDB SERIES TOUCH-SAFE POWR-BLOKS Global Distribution Blocks Mechanical Specification LINE CONNECTION LOAD CONNECTION AMP CATALOG/ RATING ORDERING PER POLE OPENINGS OPENING WIRE TORQUE OPENINGS OPENING SCREW WIRE TORQUE NUMBER SCREW TYPE (UL) PER POLE DIAMETER RANGE LB-IN (NM) PER POLE DIAMETER TYPE RANGE LB-IN (NM) 2x 0.28 in 8 - 4 13.5 (1.5) (2x 7.0 mm) (Cu) 0.28 in 8 4 GDB60801Z 1 80 1 Slotted 13.5 (1.5) 6 Slotted (7.0 mm) (Cu) 4x 0.18 in 10 - 14 7.2 (0.8) (4x 4.5 mm) (Cu) 8 2 (Cu) 0.39 in 0.28 in 14 4 GDB61151Z 1 115 2 Hex 4 mm 31 (3.5) 6 Slotted 17.5 (2) (10.0 mm) (7.0 mm) (Cu) 10 6 (Cu) 0.39 in 0.25 in 14 - 4 GDB61153Z 3 115 1 Hex 4mm 8 - 2 (Cu) 31 (3.5) 6 Hex 3mm 17.5 (2) (Cu) (10.0 mm) (6.5 mm) 35 (4.0) 14 - 10 35 (4.0) 14 - 10 0.323 in 40 (4.5) 8 0.323 in 40 (4.5) 8 14 - 2 14 - 2 GDBAD211Z 1 115 1 Hex 4 mm 1 Hex 4 mm (Cu/Al) (Cu/Al) (8.2 mm) 45 (5.1) 6 - 4 (8.2 mm) 45 (5.1) 6 - 4 50 (5.6) 3 - 2 50 (5.6) 3 - 2 35 (4.0) 14 - 10 0.312 in 40 (4.)5 8 0.159 in 14 - 2 14 - 10 GDBAD241Z 1 115 1 Hex 4 mm 4 Hex 2 mm 7 (0.8) (Cu/Al) (Cu/Al) (7.9 mm) 45 (5.1) 6 - 4 (4.0 mm) 50 (5.6) 3 - 2 0.49 in 0.28 in 8 - 2/0 14 - 4 GDB61601Z 1 160 1 Hex 5mm 35.5 (4) 6 Slotted 17.5 (2.0) (Cu) (Cu) (12.5 mm) ( 7.0 mm) 0.47 in 8 - 2/0 0.25 in 14 - 4 GDB61753Z 3 175 1 Hex 5mm 35.5 (4) 6 Hex 3mm 17.5 (2.0) (12.0 mm) (Cu) ( 6.5 mm) (Cu) 0.531 in 14 - 3/0 50 (5.6) 14 - 10 0.531 in 14 - 3/0 50 (5.6) 14 - 10 GDBAD421Z 1 200 1 Hex 6mm 1 Hex 6mm (Cu/Al) (Cu/Al) (13.5 mm) 180 (20.3) 8 - 3/0 (13.5 mm) 180 (20.3) 8 - 3/0 0.531 in 50 (5.6) 14 - 10 0.531 in 50 (5.6) 14 - 10 14 - 3/0 14 - 3/0 GDBAP421Z 1 200 1 Hex 6mm 1 Hex 6mm (Cu/Al) (Cu/Al) (13.5 mm) 180 (20.3) 8 - 3/0 (13.5 mm) 180 (20.3) 8 - 3/0 0.531 in 50 (5.6) 14 - 10 0.313 in 40 (4.5) 14 - 10 14 - 3/0 14 - 2 GDBAD451Z 1 200 1 Hex 6mm 4 Hex 5mm (Cu/Al) (Cu/Al) (13.5 mm) 180 (20.3) 8 - 3/0 (7.9mm) 50 (5.6) 8 - 2 0.531 in 50 (5.6) 14 - 10 0.313 in 40 (4.5) 14 - 10 14 - 3/0 14 - 2 GDBAP451Z 1 200 1 Hex 6mm 4 Hex 5mm (Cu/Al) (Cu/Al) (13.5 mm) 180 (20.3) 8 - 3/0 (7.9mm) 50 (5.6) 8 - 2 2x 0.35 in 14 - 2 31 (3.5) (2x 9.0mm) (Cu) 5x 0.25 in 14 - 6 0.75 in 3/0 - 350 GDB63101Z 1 310 1 Hex 8mm 230 (26.0) 11 Slotted (5x 6.5mm) (Cu) (19.0 mm) kcmil (Cu) 18 (2.0) 4x 0.21 in 14 - 8 (4x 5.3mm) (Cu) 40 (4.5) 14 - 8 40 (4.5) 14 - 8 80 (9.0) 6 - 2 14 - 400 0.516 in Hex 0.375 in 14 - 2 GDBAD741Z 1 335 1 120 (13.6) 1 - 3/0 8 Hex 5mm kcmil (13.1 mm) 8mm & 6mm (9.5 mm) (Cu/Al) (Cu/Al) 275 (31.10 6 - 1/0 80 (9.0) 6 - 2 375 (42.4) 2/0 - 400 kcmil 2 of 10 littelfuse.com 2019 Littelfuse Products Rev: 101319 POLES