BUSSMANN Effective January 2020 Technical Data 2125 Supersedes July 2003 SERIES TRON single-pole in-line fuse holders for solid neutral HET An HEB fuse holder with a permanently-installed solid neutral. Easily identified by white plastic coupling nut. Non-breakaway holders Catalog symbol HET-AA, HET-AB, HET-BB, HET-JJ, and HET-JK (For breakaway holders, see page 3) In-line fuse holders, single-pole Recommended torque on coupling nut 10-20 lb-In (1.1-2.2 Nm) Dust and water-resistant IP68 rating per IEC 60529 (2 m under water for 24 hours) Insulating boots See page 2 for boot reference and ordering information. Example A single-pole, in-line holder for a neutral is required. One solid copper 8 is on the load side, copper crimp for connection. A solid copper 6 is on the line side, and a copper crimp is required. 1. Choose HET- 2. Choose A for load side 3. Choose B for line side Complete catalog number: HET-ABTRON single-pole in-line fuseholders for solid neutral Technical Data 2125 Effective January 2020 Ordering information Catalog and specification data Conductor terminals HET Load Line Conductor data terminal terminal Terminal type Size Catalog symbol Use these part numbers to order insulating boots for a non-breakaway holder: Copper crimp 1 12 to 8 A Catalog no. Description 12 2 10 2 2A0660 Single conductor 2A0661 Dual conductor 6 1 B 4 1 Copper set-screw Boot reference 12 to 3 1 J 12 to 2 2 K 0.8 4.1 (20) (104) Aluminum Set-Screw 12 to 2 1 L 1.3 4.7 Insulating boots are not included with non-breakaway parts (33) (119) and must be ordered separately. They come standard with the breakaway fuse holders. The HET-AW & HET-JW do not have the Installation instructions boots. These catalog items do not have a breakaway receptacle. Strip wire insulation equal to the depth of the crimp or screw When boots are utilized, extra heat retention requires that fuses terminal. Torque screw terminal to 35 lb-In (3.9 Nm) or crimp are sized at a minimum of 200% of the RMS load current. terminal twice, spacing crimps a distance of one-third from each end (as shown below) using an appropriate crimp tool and die. Crimp terminal twice at locations 1/3 distance from each end Strip wire insulation to depth of terminal Related products Catalog Data no. Description sheet no. One-pole 13/32 x 1-1/2 HEB* supplemental in-line fuse 2127 holder One-pole class CC in-line fuse HEZ 2130 holder Double-pole fuse holder for HEX class CC and 13/32 x 1-1/2 2126 HEY fuses 13/32 x 1-1/2 neutral NNB dummy link (not a fuse) * Bussmann series HEB in-line fuse holders are the legacy Bussmann TRON HEB in-line fuse holders. See terminal data tables for exceptions. Eaton.com/bussmannseries 2 No. Per terminal Solid Stranded