Bussmann
®
Telpower DC Power Distribution Fuses
®
TPA
170 Volts, DC, 3–50 Amps
Dimensional Data – TPA Fuses
38.10
1.50"
4.83
.19"
10.31
.41"
14.61
.58"
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
• 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"
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
26.16
1.03"
SPARE FUSE
HOLDER BODY
15.88
.63"
DOUBLE SIDED
ADHESIVE TAPE
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
TPA 3-15 Amps
1,000
3
5
100
10
15
100
AMPERE
RATING
TPA 20-50 Amps
1,000
AMPERE
RATING
20
30
40
50
TIME IN SECONDS
TIME IN SECONDS
10
10
1
1
.1
.1
10,000
CURRENT IN AMPERES
CURRENT IN AMPERES
TPA-B
1,000
AMPERE
RATING
100
20
25
TIME IN SECONDS
10
1
CURRENT IN AMPERES
Form No. TPL
Page 2 of 2
BIF Doc #5012
12-28-98
SB98107
Rev. A
10,000
1,000
100
10
1
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 informa-
tion 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.
.1
.01
10,000
1,000
1,000
100
100
10
10
1
1
.01
.01