JB3816-2

JUNCTION BLOCK, STUD TYPE, 1 POSITION

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: EATON BUSSMANN
Product type: Power Distribution Blocks
No. of Poles: 1 Pole

Delivery and price
Units per pack	25
Price	8.48 €
Current stock	25+
Lead time	7 days

Datasheet

Effective December 2016 Supersedes December 1998 

Technical Data 2070 

## Feed-through and standalone stud type junction blocks 

## **Studs** 

- Non-feed-through junction blocks are plated steel 

- Feed-through junction blocks are copper alloy 

**Note** : Voltage rating dependent upon installation 

## **Suggested maximum termination ratings** 

|**Stud size/thread/**|**Amps**|
|---|---|
|#10-32|50|
|#1/4-20|100|
|#5/16-18|200|
|#3/8-16|250|
|#1/2-20|400|



## **Catalog symbols:** 

- C19_ 

- C27_ 

- C29_ 

- C40_ 

- C58_ 

- C63_ 

- JB38_ 

## **Description:** 

Bussmann™ series feed-through and standalone stud type junction blocks for heavy-duty ground or power connection points in AC or DC circuits. 

Modular construction offers design and manufacturing flexibility with mounting options well suited for transformers, communication and computer power sections along with various vehicle electrical systems. 

Feed-through and standalone stud type junction blocks 

Technical Data 2070 Effective December 2016 

|||F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~|F<br>J<br>H<br>~~G~~<br>~~E~~<br>~~D~~<br>C<br>B<br>M (thread size)<br>~~mn~~<br>LU<br>+ |<br>~~JUL~~||1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel|1.87"<br>~~(47.6)~~<br>1.12"<br>(28.6)<br>K<br>A<br>L (4 mtg. holes)<br>~~re~~<br>~~oO~~)<br>|<br>eel||0.75"<br>(19.1)<br>K<br>A<br>L (2 mtg. holes)<br>~~OP~~<br>Tf<br>|<br>|©<br>NGL|0.75"<br>(19.1)<br>K<br>A<br>L (2 mtg. holes)<br>~~OP~~<br>Tf<br>|<br>|©<br>NGL|0.75"<br>(19.1)<br>K<br>A<br>L (2 mtg. holes)<br>~~OP~~<br>Tf<br>|<br>|©<br>NGL|0.75"<br>(19.1)<br>K<br>A<br>L (2 mtg. holes)<br>~~OP~~<br>Tf<br>|<br>|©<br>NGL|||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||||||||||||||||||Fig. 1||||||||||Fig. 2|||||
|||||||||||||||||(Catalog numbers C1925, C1933, C1933-1)|||||||(Catalog numbers C1925, C1933, C1933-1)|||||||(All other catalog numbers)|(All other catalog numbers)|||||
|**Catalog numbers and dimensions — in (mm)**<br>**Catalog**<br>**no.**<br>**Fig.**<br>**A**<br>**B**<br>**C**<br>**D**<br>**E**<br>**F**<br>**G**<br>**H**<br>**J**<br>**K**<br>**L**<br>**M**<br>**Material**<br>**Color**<br>~~LO~~||||||||||||||||||||||||||||||||||||
||||||||||||||||||||||||||||||||0.22 dia. w/.41|||||
|C2791*|2|2.06 (52.4)||0.69 (17.5)|||0.44 (11.2)|||0.44 (11.2)|||0.62 (15.9)||0.69 (17.5)||0.31 (7.9)||||0.69 (17.5)|||0.06 (1.6)||||0.06 (1.6)|0.06 (1.6)|1.31 (33.3)<br>dia. C’bore x .14|||1/4-20|Thermoset|Black|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.41|||||
|C2909* †|2|2.06 (52.4)||0.69 (17.5)|||0.44 (11.2)|||0.44 (11.2)|||0.62 (15.9)||1.0 (25.4)|1.0 (25.4)|0.31 (7.9)||||0.69 (17.5)|||0.06 (1.6)||||0.06 (1.6)|0.06 (1.6)|1.31 (33.3)<br>dia. C’bore x .14|||10-32|Thermoset|Black|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.41|||||
|C2909-1*|2|2.06 (52.4)||0.69 (17.5)|||0.44 (11.2)|||0.44 (11.2)|||0.62 (15.9)||1.0 (25.4)|1.0 (25.4)|0.31 (7.9)||||0.69 (17.5)|||0.06 (1.6)||||0.06 (1.6)|0.06 (1.6)|1.31 (33.3)<br>dia. C’bore x .14|||1/4-20|Thermoset|Black|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.41|||||
|C1938*|2|2.06 (52.4)||0.94 (23.8)|||0.69 (17.5)|||0.69 (17.5)|||0.87 (22.2)||0.69 (17.5)||0.31 (7.9)||||0.87 (22.2)|||0.06 (1.6)||||0.06 (1.6)|0.06 (1.6)|1.31 (33.3)<br>dia. C’bore x .14|||3/8-16|Thermoplastic|Black|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.44|||||
|C1925* †|1|2.75 (69.8)||1.5 (38.1)|||1.25 (31.7)|||1.25 (31.7)|||1.25 (31.7)||1.12 (28.6)||0.37 (9.5)||||1.12 (28.6)|1.12 (28.6)||0.19 (4.8)||||0.19 (4.8)|0.19 (4.8)|2.0 (50.8)<br>dia. C’bore x .16|||1/2-13|Thermoplastic|Red|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.41|||||
|C4044* †|2|2.06 (52.4)||0.87 (22.2)|||0.62 (15.9)|||0.62 (15.9)|||0.62 (15.9)||1.12 (28.6)||0.31 (7.9)||||0.87 (22.2)|||0.06 (1.6)||||0.06 (1.6)|0.06 (1.6)|1.31 (33.3)<br>dia. C’bore x .14|||3/8-16|Thermoplastic|Black|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.41|||||
|C5898* †|2|2.06 (52.4)||0.94 (23.8)|||0.69 (17.5)|||0.69 (17.5)|||0.87 (22.2)||0.69 (17.5)||0.31 (7.9)||||0.87 (22.2)|||0.06 (1.6)||||0.06 (1.6)|0.06 (1.6)|1.31 (33.3)<br>dia. C’bore x .14|||3/8-16|Thermoplastic|Red|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.37|||||
|JB3816-2|2|2.12 (54.0)||1.0 (25.4)|||0.62 (15.9)|||0.62 (15.9)|||0.94 (23.8)||0.69 (17.5)||0.31 (7.9)||||None|||0.06 (1.6)||||None||1.37 (34.9)<br>dia. C’bore x .14|||3/8-16|Thermoplastic|Black|
||||||||||||||||||||||||||||||||deep|||||
||||||||||||||||||||||||||||||||0.22 dia. w/.37|||||
|JB3816-3|2|2.12 (54.0)||1.0 (25.4)|||0.62 (15.9)|||0.62 (15.9)|||0.94 (23.8)||0.69 (17.5)||0.31 (7.9)||||None|||0.06 (1.6)||||None||1.37 (34.9)<br>dia. C’bore x .14|||3/8-16|Thermoplastic|Red|
||||||||||||||||||||||||||||||||deep|||||
|C1933 †|1|2.75 (69.8)||1.44 (36.6)|||1.25 (31.7)|||1.25 (31.7)|||1.5 (38.1)||1.12 (28.6)||0.37 (9.5)||||None|||0.19 (4.8)||||None||2 (50.8)|0.22 dia.||1/2-13|Thermoplastic|Black|
|C1933-1 †|1|2.75 (69.8)||1.44 (36.3)|||1.25 (31.7)|||1.25 (31.7)|||1.5 (38.1)||1.12 (28.6)||0.37 (9.5)||||None|||0.19 (4.8)||||None||2 (50.8)|0.22 dia.||5/16-18|Thermoplastic|Black|
||||||||||||||||||||||||||||||||0.22 dia. w/.37|||||
|C6344-1|2|2.12 (54.0)||0.62 (15.9)|||0.62 (15.9)|||0.62 (15.9)|||0.87 (22.2)||0.69 (17.5)||0.31 (7.9)||||None|||0.06 (1.6)||||None||1.37 (34.9)<br>dia. C’bore x .14|||1/2-20|Thermoplastic|Black|
||||||||||||||||||||||||||||||||deep|||||



**Catalog numbers and dimensions — in (mm)** 

* Feed-through options – Nuts and washers; consult factory. 

† Not RoHS compliant. 

The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information  contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. 

**Eaton** 1000 Eaton Boulevard Cleveland, OH 44122 Eaton.com 

Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2016 Eaton All Rights Reserved Printed in USA Publication No. 2070 — BU-SB98107 December 2016 

Eaton and Bussmann are valuable trademarks of Eaton in the U.S. and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton. 

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Eaton.com/bussmannseries

Updated at February 9, 2023

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