Power terminal blocks Eaton 16591-3 with UL recognized certification and current rating up to 760 A
Eaton Bussmann Stud Blocks
Eatons Bussmann series port-to-stud and stud-to-stud power terminal blocks offer a convenient solution for lug/ring wire terminals with current ratings up to 760 A. These blocks are designed for easy field wiring and are UL Recognized to UL 1059 and rated for use in UL 508A industrial control panels. They are factory configured from 1- to 3-poles, with optional covers available separately.
Product Attributes
- Brand: Eaton Bussmann
- Certifications: UL Recognized to UL 1059 (Guide XCFR2, File E62622), CSA Certified (Class 6228-01, File 15364)
- Flammability Rating: UL 94 V0
Technical Specifications
| Catalog Symbol | No. of Poles | Current Rating (A) | Lineside Conductor / Wire Size | Loadside Connection / Stud Size | SCCR (kA) | Catalog Number Example | Torque Nm (Lb-in) | Ports/Pole | Studs/Pole |
| 162__ | 1, 2, 3 | 175 | 2/0 - #1 Cu/Al (Str) | 1/4-20 x 3/4 stud | 200 | 16280-_** | 13.6 (120) | 1 | 1 |
| 162__-M | 2, 3 | 175 | 2/0 - #1 Cu/Al (Str) | M6 x 1 stud | 200 | 16280-_-M | 13.6 (120) | 1 | 1 |
| 16281-_ | 1, 2, 3 | 175 | 2/0 - #1 Cu/Al (Str) | 1/4-20 tapped hole | 10 | 16281-_** | 13.6 (120) | 1 | 1 |
| 16378-_ | 1, 2, 3 | 380 | 500 kcmil - 4/0 Cu/Al (Str) | 1/4-20 x 1 stud | 10 | 16378-_ | 56.5 (500) | 2 | 1 |
| 16383-_ | 1, 2, 3 | 380 | 500 kcmil - 4/0 Cu/Al (Str) | 3/8-16 x 1 stud | 10 | 16383-_ | 56.5 (500) | 1 | 1 |
| 16582-_ | 1, 2, 3 | 760 | 500 kcmil - 4/0 Cu/Al (Str) | 3/8-16 x 1-5/8 stud | 10 | 16582-_ | 56.5 (500) | 2 | 2 |
| 16290-_ | 1, 2, 3 | 175 | Stud - to - stud | 1/4-20 x 3/4 stud | 10 | 16290-_** | N/A | 1 | 1 |
| 16390-_ | 1, 2, 3 | 250 | Stud - to - stud | 3/8-16 x 1-1/8 stud | 10 | 16390-_ | N/A | 1 | 1 |
| 16395-_ | 1, 2, 3 | 310 | Stud - to - stud | 1/4-20 x 9/16 stud | 10 | 16395-_ | N/A | 2 | 1 |
| 16392-_-H | 1, 2, 3 | 400 | Stud - to - stud | 1/2-13 x 1-1/16 stud | 10 | 16392-_-H | N/A | 1 | 1 |
| 16394-_ | 1, 2, 3 | 400 | Stud - to - stud | 3/8-16 x 1-7/16 stud | 10 | 16394-_ | N/A | 2 | 1 |
| 16591-_** | 1, 2, 3 | 400 | Stud - to - stud | 3/8-16 x 1-7/16 stud | 10 | 16591-_** | N/A | 2 | 2 |
| 16593-_ | 1, 2, 3 | 600 | Stud - to - stud | 1/2-13 x 1 stud | 10 | 16593-_ | N/A | 1 | 1 |
* 75C wire (higher temperature rated wire acceptable with appropriate derating). Using a ferrule on a stranded conductor requires a correctly sized UL Listed ferrule (customer supplied) applied according to the manufacturers specifications. Ferrule ratings apply to copper wire only.
** Not covered by CSA certification.
See table on next page for the tested upstream overcurrent protective devices necessary for achieving this SCCR.
Configuration includes washers and hex nuts for each stud.
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