OC-86
Traditional Ferrule Fuses - Ferrule Type
Description
Time Delay, ceramic tube
• Optional axial leads available
• 1/4 x 1-1/4 (6.3mm x 32mm) physical size
• Ceramic tube, nickel-plated brass endcap construction
• UL Listed product meets standard 248-14
Agency Information
UL Listed Card: MDA 2/10 - 20A (Guide JDYX,
File E19180)
UL Recognized Card: MDA 25 - 30A (Guide JDYX2,
File E19180)
CSA Certification Card: MDA 2/10 - 20
(Class No. 1422-01)
CSA Component Acceptance: MDA 25-30A
(Class No. 1422-30)
Environmental Data
Shock: 1/100A and 8/10A – MIL-STD-202,
Method 213, Test Condition I;
1A thru 30A – MIL-STD-202, Method 207,
(HI Shock)
Vibration: 1/100A and 8/10A – MIL-STD-202,
Method 201; 1/4A thru 30A – MIL-STD-202,
Method 204, Test Condition C (Except 5g, 500HZ)
Ordering
Specify packaging, product, and option code
Dimensions (mmin)
Drawing Not to Scale
SPECIFICATIONS
Product Voltage AC Interrupting DC Interrupting Typical DC Cold Typical Typical
Code Rating Rating* Rating Resistance** Melting I2t† Voltage
AC DC 250V 125V 125V (ohms) AC Drop‡
MDA-1/4 250V - 35A 10000A - 9.325 0.68 4.00
MDA-1/2 250V - 35A 10000A - 1.925 2.3 1.42
MDA-3/4 250V - 35A 10000A - 0.8555 7.8 1.31
MDA-1 250V - 35A 10000A - 0.560 11.1 1.03
MDA-1-1/2 250V - 100A 10000A - 0.2585 25.0 0.691
MDA-2 250V - 100A 10000A - 0.1645 64.0 0.623
MDA-2-1/2 250V - 200A 10000A - 0.06685 28.9 0.213
MDA-3 250V - 200A 10000A - 0.0507 40.9 0.182
MDA-4 250V - 200A 10000A - 0.0346 134.0 0.162
MDA-5 250V - 200A 10000A - 0.02355 345.9 0.145
MDA-6 250V - 200A 10000A - 0.01850 534.3 0.141
MDA-7 250V - 200A 10000A - 0.01475 580.3 0.137
MDA-8 250V - 200A 10000A - 0.01230 944.0 0.134
MDA-10 250V - 200A 10000A - 0.00858 1491.3 N/A
MDA-12 250V - 750A 10000A - 0.00725 113.8 0.114
MDA-15 250V - 750A 10000A - 0.00543 206.2 0.107
MDA-20 250V 125V 1500A 10000A 10000A 0.00358 439.5 0.095
MDA-25A 250V 125V 1500A 10000A 10000A 0.00309 667.9 0.105
MDA-30A 250V 125V 1500A 10000A 10000A 0.00243 997.0 0.110
* Interrupting Ratings (Measured at 70% - 80% power factor on AC. The interrupting ratings for 25Amp, 30Amp were measured at 90% - 100% power factor on AC)
** DC Cold Resistance (Measured at 10% of rated current)
Typical Melting I2t (A2Sec) (I2t was measured at listed interrupting rating and rated voltage)
Typical Voltage Drop (Voltage drop was measured at 25°C ambient temperature at rated current)
ELECTRICAL CHARACTERISTICS
Rated Current Amp Rating Opening Time
100% None
1/4 - 30A 135% 60 Minutes Max.
200% 120 Seconds Max.
1/4" x 1-1/4" Fuses
MDA Series, Time Delay, Ceramic Tube
RoHS
2002/95/EC
OC-87
Traditional Ferrule Fuses - Ferrule Type
TIME IN SECONDS
TIME IN SECONDS
CURRENT IN AMPERES
CURRENT IN AMPERES
1/4
1/2
1
2
3-2/10
4
5
6-1/4
10
12
15
20
25
30
TIME CURRENT CURVE
PACKAGING CODE
Packaging Code Description
BK 100 pieces of fuses packed into a cardboard carton
BK1 1,000 pieces of fuses packed into a cardboard carton
BK8 8,000 pieces of fuses packed into a cardboard carton
OPTION CODE
Option Code Description
BBoard Washable - Hermetically sealed to withstand aqueous cleaning
VAxial leads - copper tinned wire with nickel plated brass overcaps
-R RoHS compliant version
1/4" x 1-1/4" Fuses
MDA Series, Time Delay, Ceramic Tube
Visit us on the web at:
www.cooperbussmann.com
Cooper Electronic Technologies
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: 1-636-394-2877
Fax: 1-800-544-2570
Cooper Electronic Technologies
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: +44 (0) 1509 882 737
Fax: +44 (0) 1509 882 786
Cooper Electronic Technologies
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: +34 937 362 812
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
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#06-01 Pacific Tech Centre
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Tel: +65 278 6151
Fax: +65 270 4160
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