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A4 & B4 barrier strip terminal block
Eaton’s A4 and B4 barrier strip terminal blocks are North American style terminal blocks with 14.28mm (0.562”) centre spacing. They are available with 02 to 16 poles and UL/CSA approved and CE certified.
For detailed specification information, please refer to the data sheet.
See data sheet
0.562” or 9/16” (14.28 mm)
See rating table.
Nos 8–32 or 10–32 zinc-plated slotted screws
No 8 screw size 16 lb-in. No 10 screw size 20 lb-in.
Distance between barriers
0.47” (11.9 mm)
+105°C (+221 °F) maximum, -40°C (-40 °F) minimum
Black, UL-rated 94V0 thermoplastic
Bottom studs supplied with nuts assembled. Cup washers are optional on bottom studs but are not recommended with ring terminals.
Extended hex nuts
Optional extended, slotted hex nuts enable easier installation and removal with hex wrench or screwdriver. Available in bulk for the no 10–32 studs on series A4953 blocks. Specify part number F582 and quantity.
Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic, and mechanical power – more safely, more efficiently, and more reliably. Eaton’s 2020 revenues were $17.9 billion, and we sell products to customers in more than 175 countries.