Bussmann® Telpower DC Power Distribution Fuses TPA ® 170 Volts, DC, 3–50 Amps Dimensional Data – TPA Fuses 38.10 1.50" 14.61 .58" 4.83 .19" 10.31 .41" CATALOG SYMBOL: TPA and TPA-B DC POWER DISTRIBUTION FUSES AMPERE RATING: 3-50 Amps VOLTAGE RATING: TPA - 170 VOLTS DC; TPA-B - 65V DC INTERRUPTING RATINGS: TPA, 100 kA; TPA-B, 20kA CONSTRUCTION: • SILVER-PLATED BRASS FERRULES AND INDICATOR PIN. • GLASS MELAMINE TUBE. AGENCY APPROVALS: U.L. RECOGNIZED (GUIDE # JFHR2, FILE E56412) CSA CERTIFIED, CLASS 1422-30, FILE 53787 Catalog Numbers TPA-3 TPA-5 TPA-10 TPA-15 TPA-20 TPA-25 TPA-30 TPA-40 TPA-50 TPA-B-20 TPA-B-25 • Recognized branch circuit protection. • Current-limiting capability. • Complete system coordination capability. • Use with Telpower TP15914 and TP15900-4 Disconnect Switches. • Five position spare fuseholder available – Part No. 5TPH. Five Position Spare Fuseholder – 5TPH 75.57 2.98" 26.16 1.03" SPARE FUSE HOLDER BODY DOUBLE SIDED ADHESIVE TAPE 15.88 .63" 12-28-98 SB98107 Rev. A Form No. TPA Page 1 of 2 BIF Doc #5012 Bussmann® Telpower DC Power Distribution Fuses TPA ® 170 Volts DC, 3–50 Amps AMPERE RATING 3 5 1 10 1 10,000 1 CURRENT IN AMPERES 1 .01 1,000 .01 100 .1 10 .1 100 10 10 TIME IN SECONDS TIME IN SECONDS 100 10 15 100 20 30 40 50 CURRENT IN AMPERES TPA-B AMPERE RATING 1,000 20 25 10 1 1,000 100 .01 10 .1 1 TIME IN SECONDS 100 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. 10,000 1,000 TPA 20-50 Amps 1,000 10,000 AMPERE RATING 1,000 TPA 3-15 Amps CURRENT IN AMPERES 12-28-98 SB98107 Rev. A Form No. TPL Page 2 of 2 BIF Doc #5012