Stud blocks

Eaton’s Bussmann series port-to-stud and stud-to-stud power terminal blocks are available with current ratings up to 760 A.

The stud connection is convenient for lug/ring wire terminals and allows for easy field wiring.

These blocks are UL Recognized to UL 1059 and rated for use in UL 508A industrial control panels.

These blocks are factory configured from 1- to 3-poles (catalog number dependent) with optional covers available to enhance safety (order covers separately).

Dats sheet no. 10535

Catalog no. Amps Poles Lineside* Loadside*
Connector-to-stud Lineside connector Loadside stud
16280-1 175 1 1 1/4-20 x 3/4"
16280-2 175 2 1 1/4-20 x 3/4"
16280-3 175 3 1 1/4-20 x 3/4"
16280-2-M 175 2 1 M6 x 1"
16280-3-M 175 3 1 M6 x 1"
16281-1 175 1 1 1/4-20 tapped hole
16281-2 175 2 1 1/4-20 tapped hole
16281-3 175 3 1 1/4-20 tapped hole
16378-1 380 1 1 (2) 1/4-20 x 1"
16378-2 380 2 1 (2) 1/4-20 x 1"
16378-3 380 3 1 (2) 1/4-20 x 1"
16383-1 380 1 1 3/8-16 x 1"
16383-2 380 2 1 3/8-16 x 1"
16383-3 380 3 1 3/8-16 x 1"
16582-1 760 1 2
(2) 3/8-16 x 1-5/8"
16582-2 760 2 2
(2)3/8-16 x 1-5/8"
16582-3 760 3 2
(2)3/8-16 x 1-5/8"
Stud-to-stud Lineside stud Loadside stud
16290-1 150 1 1/4-20 x 3/4" 1/4-20 x 3/4"
16290-2 150 2 1/4-20 x 3/4" 1/4-20 x 3/4"
16290-3 150 3 1/4-20 x 3/4" 1/4-20 x 3/4"
16390-1 250 1 3/8-16 x 1-1/8" 3/8-16 x 1-1/8"
16390-2 250 2 3/8-16 x 1-1/8" 3/8-16 x 1-1/8"
16390-3 250 3 3/8-16 x 1-1/8" 3/8-16 x 1-1/8"
16395-1 310 1 3/8-16 x 1-7/16" (2) 1/4-20 x 9/16"
16395-2 310 2 3/8-16 x 1-7/16" (2) 1/4-20 x 9/16"
16395-3 310 3 3/8-16 x 1-7/16" (2) 1/4-20 x 9/16"
16392-1-H 400 1 3/8-16 x 1-1/8" 3/8-16 x 1-1/8"
16392-2-H 400 2 3/8-16 x 1-1/8" 3/8-16 x 1-1/8"
16392-3-H 400 3 3/8-16 x 1-1/8" 3/8-16 x 1-1/8"
16394-1 400 1 1/2-13 x 1-1/16" 1/2-13 x 1-1/16"
16394-2 400 2 1/2-13 x 1-1/16" 1/2-13 x 1-1/16"
16394-3 400 3 1/2-13 x 1-1/16" 1/2-13 x 1-1/16"
16591-1 400 1 3/8-16 x 1-7/16" (2) 3/8-16 x 1-7/16"
16591-2 400 2 3/8-16 x 1-7/16" (2) 3/8-16 x 1-7/16"
16591-3 400 3 3/8-16 x 1-7/16" (2) 3/8-16 x 1-7/16"
16593-1 600 1 1/2-13 x 1" 1/2-13 x 1"
16593-2 600 2 1/2-13 x 1" 1/2-13 x 1"
16593-3 600 3 1/2-13 x 1" 1/2-13 x 1"
* See data sheet no. 10535 for wire and torque specifications.