Terminal blocks
A4 & B4 Barrier strip terminal block
Eaton’s A4 and B4 barrier strip terminal blocks are North American style terminal blocks with 0.562” (14.28 mm) center spacing. They are available with 02 to 16 poles and UL/CSA approved and CE certified.
North American style
UL/CSA approved, CE Certified
0.562” (14.28 mm) center spacing
Specifications
| Rating | See datasheet | |
| Center Spacing | 0.562” or 9/16” (14.28 mm) | |
| Wire Range | See rating table. | |
| Screw Size | #8-32 or #10-32 zinc-plated slotted screws | |
| Torque Rating | #8 screw size 16 lb-in.; #10 screw size 20 lb-in. | |
| Distance Between Barriers | 0.47” (11.9 mm) | |
| Operating Temperature | +105 °C (+221 °F) maximum, -40 °C (-40 °F) minimum | |
| Molded Material | Black, UL Rated 94V0 Thermoplastic | |
| Hardware | 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 #10-32 studs on Series A4953 blocks. Specify part number F582 and quantity. | |
| Breakdown Voltage | 6100 V | |
| Agency Information | UL File E62622, CSA File 47235; CE Certified | |
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