Bussmann® Stud Type Junction Blocks SPECIFICATIONS Material: Studs on non-feed-thrus are steel plated; feed-thrus are copper alloy. Applications: Heavy-duty ground or power connection points in AC or DC circuits. Feed-thru or stand alone mount options available for transformers, communication and computer power sections along with various vehicle electrical systems. Benefits: Modular design offers design and manufacturing flexibility. Suggested Max. Termination Ratings: Thread/Stud Sz. Amperages #10-32 50 Amps #1/4-20 100 Amps #5/16-18 200 Amps #3/8-16 250 Amps #1/2-20 400 Amps Dimensions 1.87" (47.6) 1.12" (28.6) F H J .75" (19.1) M (thread size) C B G E K D A L (4 mtg. holes) L (2 mtg. holes) Fig. 1 (Parts C1925, C1933, C1933-1) Part C2791* Fig. 2 C2909* 2 C2909-1* 2 C1938* 2 C1925* 1 C4044* 2 C5898* 2 JB3816-2 2 JB3816-3 2 C1933 1 C1933-1 1 C6344-1 2 *Feed-thru 12-28-98 SB98107 A B C D 2.06 .69 .44 .62 (52.4) (17.5) (11.2) (15.9) 2.06 .69 .44 .62 (52.4) (17.5) (11.2) (15.9) 2.06 .69 .44 .62 (52.4) (17.5) (11.2) (15.9) 2.06 .94 .69 .87 (52.4) (23.8) (17.5) (22.2) 2.75 1.5 1.25 1.25 (69.8) (38.1) (31.7) (31.7) 2.06 .87 .62 .62 (52.4) (22.2) (15.9) (15.9) 2.06 .94 .69 .87 (52.4) (23.8) (17.5) (22.2) 2.12 1.0 .62 .94 (54.0) (25.4) (15.9) (23.8) 2.12 1.0 .62 .94 (54.0) (25.4) (15.9) (23.8) 2.75 1.44 1.25 1.5 (69.8) (36.6) (31.7) (38.1) 2.75 1.44 1.25 1.5 (69.8) (36.3) (31.7) (38.1) 2.12 .62 .62 .87 (54.0) (15.9) (15.9) (22.2) Options – Nuts & washers; consult factory. Rev. A E .69 (17.5) 1.0 (25.4) 1.0 (25.4) .69 (17.5) 1.12 (28.6) 1.12 (28.6) .69 (17.5) .69 (17.5) .69 (17.5) 1.12 (28.6) 1.12 (28.6) .69 (17.5) F .31 (7.9) .31 (7.9) .31 (7.9) .31 (7.9) 37 (9.5) .31 (7.9) .31 (7.9) .31 (7.9) .31 (7.9) .37 (9.5) .37 (9.5) .31 (7.9) G .69 (17.5) .69 (17.5) .69 (17.5) .87 (22.2) 1.12 (28.6) .87 (22.2) .87 (22.2) None None None None None H .06 (1.6) .06 (1.6) .06 (1.6) .06 (1.6) .19 4.8) .06 (1.6) .06 (1.6) .06 (1.6) .06 (1.6) .19 (4.8) .19 (4.8) .06 (1.6) A K J .06 (1.6) .06 (1.6) .06 (1.6) .06 (1.6) .19 (4.8) .06 (1.6) .06 (1.6) None None None None None K 1.31 (33.3) 1.31 (33.3)d 1.31 (33.3)d 1.31 (33.3)d 2.0 (50.8) 1.31 (33.3) 1.31 (33.3) 1.37 (34.9) 1.37 (34.9) 2 (50.8) 2 (50.8) 1.37 (34.9) Fig. 2 (All other parts) L .22 dia. w/.41 dia. C’bore x .14 deep .22 dia. w/.41 dia. C’bore x 14 deep .22 dia. w/.41 dia. C’bore x 14 deep .22 dia. w/.41 dia. C’bore x 14 deep .22 dia. w/.44 dia. C’bore x .16 deep .22 dia. w/.41 dia. C’bore x .14 deep .22 dia. w/.41 dia. C’bore x 14 deep .22 dia. w/.37 dia. C’bore x .14 deep .22 dia. w/.37 dia. C’bore x .14 deep .22 dia. M 1/4-20 Material Thermoset Color 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 Black .22 dia. 5/16-18 Thermoplastic Black .22 dia. w/.37 dia. C’bore x .14 deep 1/2-20 Thermoplastic Black The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF 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. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann 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. Stud Type J/Blocks Page 1 of 1 BIF Document: 2070