Description
• Fast-acting
• Optional axial leads available
• 1⁄4˝ x 1 1⁄4˝ (6.4 x 31.7mm) physical size
• Ceramic tube, nickel-plated brass endcap construction
• UL Listed product meets standard 248-14
Agency Information
• UL Listed: Guide JDYX & File E19180.
• UL Recognition: Guide JDYX2 & File E19180.
• CSA Certification: Class 1422-01 & 1422-03, File
53787.
Environmental Data
• Shock: 1⁄4-30A – MIL-STD-202,
Method 213, Test Condition J
• Vibration: 1⁄4-30A – MIL-STD-202,
Method 204, Test Condition C (Except 5g, 500HZ)
Ordering
• Specify packaging, product, and option code
Dimensions - mm (in)
Drawing Not to Scale
Electrical Characteristics
% of Amp Rating Opening Time
100% 4 Hours Minimum
135% 60 Minutes maximum
200% 120 Seconds Maximum
1⁄4˝ x 1 1⁄4˝ Fast-Acting Ceramic Tube Fuses
ABC Series
* Interrupting ratings measured at 70% - 80% power factor on AC. The interrupting ratings for 18A and 20A were measured at 85% - 95% power factor on AC. The interrupting ratings for 25A and 30A were
measured at 89% power factor on AC.
** Typical DC cold resistance measured at <10% of rated current.
† Typical melting I2t measured at listed interrupting rating and rated voltage.
‡ Typical voltage drop measured at 25°C±3°C ambient temperature at rated current.
‡‡ CSA approvals for 25A and 30A are at 125Vac - IR 1000A and 125Vdc - IR 400A (IR 1000A at 75Vdc)
Specifications
Voltage Vac Interrupting Vdc Interrupting Typical
Part Ratings Ratings* (amps) Ratings (amps) Typical DC Cold Typical Voltage Agency Approvals
Number Vac Vdc 250 125 125 75 Resistance (ΩΩ)** Pre-Arc I2t AC† Drop (mV)‡ UL UR CSA
ABC-1/4-R 250 125 35 10,000 10,000 – 2.950 0.0020 0.35 X X
ABC-1/2-R 250 125 35 10,000 10,000 – 0.587 0.0390 0.41 X X
ABC-3/4-R 250 125 35 10,000 10,000 – 0.300 0.1450 0.32 X X
ABC-1-R 250 125 35 10,000 10,000 – 0.1950 0.4310 0.3 X X
ABC-1-1/2-R 250 125 100 10,000 10,000 – 0.131 1.1630 0.28 X X
ABC-2-R 250 125 100 10,000 10,000 – 0.0890 2.1670 0.31 X X
ABC-2-1/2-R 250 125 100 10,000 10,000 – 0.061 4.4670 0.23 X X
ABC-3-R 250 125 100 10,000 10,000 – 0.047 6.55 0.14 X X
ABC-4-R 250 125 200 10,000 10,000 – 0.031 22.28 0.17 X X
ABC-5-R 250 125 200 10,000 10,000 – 0.026 32.83 0.22 X X
ABC-6-R 250 125 200 10,000 10,000 – 0.021 58 0.19 X X
ABC-7-R 250 125 200 10,000 10,000 – 0.016 109.33 0.17 X X
ABC-8-R 250 125 200 10,000 10,000 – 0.014 116.5 0.19 X X
ABC-10-R 250 125 200 10,000 10,000 – 0.011 208.8 0.15 X X
ABC-12-R 250 125 750 10,000 10,000 – 0.0068 133.3 0.1 X X
ABC-15-R 250 125 750 10,000 10,000 – 0.00553 200.2 0.1 X X
ABC-18-R 250 – 400 1000 – – 0.00465 400 0.1 X X
ABC-20-R 250 125 400 1000 10,000 – 0.00366 550.8 0.1 X X
ABC-25-R 250 125 200 1000 400 1000 0.0028 839.3 0.09 X X‡‡
ABC-30-R 250 125 200 1000 400 1000 0.002225 1429 0.09 X X‡‡
38.10
(1.500)
(REF)
32.82±0.79
(1.292±0.031)
38.10
(1.500)
(REF)
6.76
(0.266)
31.75±0.79
(1.250±0.031)
6.48
(0.255)
6.35±0.1
(0.250±0.0)
0.81
(0.032)
1.02
(0.040)
0-15 Amp: (REF)
18-30 Amp: (REF)
DIA. OF LEADS
0909 BU-SB09836 Page 1 of 2 Data Sheet 2000
Current in Amps
Time in Seconds
13
58
12
10
15
18
20 25
30
Time-Current Curve
Packaging Code
Packaging Code Description
BK 100 fuses packed into a cardboard carton
BK1 1,000 fuses packed into a cardboard carton
BK8 8,000 fuses packed into a cardboard carton
Option Code
Option Code Description
VAxial leads - copper tinned wire with nickel plated brass overcaps
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann 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. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper 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.
Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support
systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in
significant injury to the user.
0909 BU-SB09836 Page 2 of 2 Data Sheet 2000
© 2009 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
