A40031604

Single Row Terminal Blocks A4 & B4 A4 B4 Specifications Rating: See table. Center Spacing: 0.562” or 9/16” (14.28mm) Wire Range: See rating table. Screw Size: #8-32 or #10-32 zinc-plated slotted screws A400303 Torque Rating: #8 screw size 16 lb-in. B484302 #10 screw size 20 lb-in. Distance Between Barriers: 0.47” (11.9mm) Operating Temperature: 105°C (221°F) max., -40°C (-40°F) min. Molded Material: Black, UL Rated 94V0 Thermoplastic Hardware: Bottom studs supplied with nuts assembled. Extended Hex Nuts: Optional extended, slotted hex nuts enable easier installation and removal with hex wrench or screwdriver. Available in bulk for the #10-32 studs on A4953 blocks. Specify part number F582 and quantity. Breakdown Voltage: 6100V Agency Information: UL File E62622, CSA File 47235; CE Certified Dimensions Inches (Millimeters) MOUNTING ENDS ONLY Rating Table Part Number Terminal Top Terminal Bottom Wire* Range Cu Ratings* Volts/ Amps A4003XX A4011XX A4013XX A4035XX A4041XX A4043XX A4813XX A4843XX A4953XX B4843XX # 8 Screw # 8 Screw # 8 Screw # 8 Screw #10 Screw #10 Screw #10 Screw #10 Screw #10 Stud #10 Screw #8 Stud Solder Solder Closed Solder Solder SolderTurret #8 Screw #10 Stud #8 Screw 8-16 AWG 10-16 AWG 10-16 AWG 8-16 AWG 10-16 AWG 10-16 AWG 10-16 AWG 8-16 AWG 8-16 AWG 8-16 AWG 150V/50A 600V/35A 600V/35A 600V/50A 600V/35A 600V/35A 600V/35A 150V/50A 150V/50A 600V/50A * All models 30A Max. with 10 AWG 35-50A ratings with 8 AWG using ring or fork type terminals. Note: 50A rating achieved with #8 copper wire crimped to ring terminal. Poles “A” Mounting Centers “B” Dimension Length 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 1.690 2.255 2.820 3.385 3.950 4.515 5.080 5.645 6.212 6.777 7.342 7.908 8.473 9.038 9.605 2.120 2.685 3.250 3.817 4.382 4.947 5.513 6.078 6.644 7.210 7.775 8.340 8.905 9.470 10.035 Dimensions in inches. To convert to millimeters, multiply by 25.4. Reference Panel Cutout for 6 Position Block A4 & B4   Single Row Terminal Blocks  Part Numbering System Family Terminal Style Base/End Poles Screw Options Options A4 00 - screw top; stud bottom 02 to 16 Blank - std. screws B4 01 - screw top; solder bottom *1 - flat base/ mount end A1 to A9 0.250” QC 03 - screw top only 04 - #10 screw top; solder term. b. 81 - screw top; solder turret bottom #10-32 84 - screw top; screw bottom #10-32 95 - stud top*, stud bottom * Available in 01, 04 terminal styles only Terminal Styles Inches (Millimeters) Hardware Options Inches (Millimeters) (Bulk ordering part numbers are in parentheses) 24 EATON www.eaton.com 3 - insulator base(not available in 03 terminal style)/mount end 5 - closed base/ mount end (available in 03 terminal only 00 - screws shipped bulk 04 - brass nickelplated† 07 - steel SEMS zinc plated (not available with hardware options; only available on A4011, A4013, A4021 and A4035) L1 to L6 marking options (pg 25) Covers - (pg 26) Effective November 2019 Supersedes December 2017 Single Row Terminal Blocks Tools & resources • • • • Webpage Terminal block selector tool Terminal block cross reference Conatct us Eaton Electronics Division 1000 Eaton Boulevard Cleveland, OH 44122 United States Eaton.com/electronics © 2019 Eaton All Rights Reserved Printed in USA Publication No. 10682 — BU-MC19146 November 2019 Eaton is a registered trademark. All other trademarks are property of their respective owners. Follow us on social media to get the latest product and support information.