JB3816-2

Technical Data 2070 Effective December 2016 Supersedes December 1998 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/ #10-32 #1/4-20 #5/16-18 #3/8-16 #1/2-20 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. Amps 50 100 200 250 400 Technical Data 2070 Feed-through and standalone stud type junction blocks Effective December 2016 1.87" (47.6) 1.12" (28.6) F H J 0.75" (19.1) M (thread size) K C B G D E A A K L (4 mtg. holes) L (2 mtg. holes) Fig. 1 (Catalog numbers C1925, C1933, C1933-1) Fig. 2 (All other catalog numbers) Catalog numbers and dimensions — in (mm) Catalog no. Fig. C2791* 2 2.06 (52.4) 0.69 (17.5) 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) 1.31 (33.3) C2909* † 2 2.06 (52.4) 0.69 (17.5) 0.44 (11.2) 0.62 (15.9) 1.0 (25.4) 0.31 (7.9) 0.69 (17.5) 0.06 (1.6) 0.06 (1.6) 1.31 (33.3) C2909-1* 2 2.06 (52.4) 0.69 (17.5) 0.44 (11.2) 0.62 (15.9) 1.0 (25.4) 0.31 (7.9) 0.69 (17.5) 0.06 (1.6) 0.06 (1.6) 1.31 (33.3) C1938* 2 2.06 (52.4) 0.94 (23.8) 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) 1.31 (33.3) C1925* † 1 2.75 (69.8) 1.5 (38.1) 1.25 (31.7) 1.12 (28.6) 0.37 (9.5) 1.12 (28.6) 0.19 (4.8) 0.19 (4.8) 2.0 (50.8) C4044* † 2 2.06 (52.4) 0.87 (22.2) 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) 1.31 (33.3) C5898* † 2 2.06 (52.4) 0.94 (23.8) 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) 1.31 (33.3) JB3816-2 2 2.12 (54.0) 1.0 (25.4) 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) JB3816-3 2 2.12 (54.0) 1.0 (25.4) 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) C1933 † C1933-1 † 1 1 2.75 (69.8) 1.44 (36.6) 1.25 (31.7) 2.75 (69.8) 1.44 (36.3) 1.25 (31.7) 1.12 (28.6) 1.12 (28.6) 0.37 (9.5) 0.37 (9.5) None None 0.19 (4.8) 0.19 (4.8) None None 2 (50.8) 2 (50.8) C6344-1 2 2.12 (54.0) 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) A B C 1.25 (31.7) D 1.5 (38.1) 1.5 (38.1) E F G H J K L 0.22 dia. w/.41 dia. C’bore x .14 deep 0.22 dia. w/.41 dia. C’bore x .14 deep 0.22 dia. w/.41 dia. C’bore x .14 deep 0.22 dia. w/.41 dia. C’bore x .14 deep 0.22 dia. w/.44 dia. C’bore x .16 deep 0.22 dia. w/.41 dia. C’bore x .14 deep 0.22 dia. w/.41 dia. C’bore x .14 deep 0.22 dia. w/.37 dia. C’bore x .14 deep 0.22 dia. w/.37 dia. C’bore x .14 deep 0.22 dia. 0.22 dia. 0.22 dia. w/.37 dia. C’bore x .14 deep M Material Color 1/4-20 Thermoset Black 10-32 Thermoset Black 1/4-20 Thermoset Black 3/8-16 Thermoplastic Black 1/2-13 Thermoplastic Red 3/8-16 Thermoplastic Black 3/8-16 Thermoplastic Red 3/8-16 Thermoplastic Black 3/8-16 Thermoplastic Red 1/2-13 Thermoplastic 5/16-18 Thermoplastic Black Black 1/2-20 Black Thermoplastic * 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.com/bussmannseries 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. Follow us on social media to get the latest product and support information.