BK1/MDL-20B datasheet, PDF - EEWORLD Datasheet

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BK1/MDL-20B: DescriptionElectric Fuse, Time Delay Blow, 20A, 32VAC, 1000A (IR), Inline/holder; CategoryCircuit protection Circuit protection; File Size98KB，2 Pages; ManufacturerCooper Industries

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BK1/MDL-20B Overview

Electric Fuse, Time Delay Blow, 20A, 32VAC, 1000A (IR), Inline/holder

BK1/MDL-20B Parametric

Parameter Name	Attribute value
Maker	Cooper Industries
Reach Compliance Code	unknown
Fusing characteristics	TIME DELAY
body height	31.75 mm
Body length or diameter	6.35 mm
Circuit protection type	ELECTRIC FUSE
Joule integral nominal	2914 J
Manufacturer's serial number	MDL
Installation features	INLINE/HOLDER
method of packing	BOX
physical size	6.35mm x 31.75mm
Rated breaking capacity	1000 A
Rated current	20 A
Rated voltage (AC)	32 V
Guideline	CSA; UL
surface mount	NO
Terminal surface	NICKEL
Terminal shape	END CAP

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1/4" x 1-1/4" Fuses

MDL Series, Time Delay, Glass Tube

Description

• Time delay, glass tube

• Optional axial leads available

• 1/4 x 1-1/4 (6.3mm x 32mm) physical size

• Glass tube, nickel-plated brass endcap construction

• UL Listed product meets standard 248-14

ELECTRICAL CHARACTERISTICS

Rated Current

Amp Rating

Opening Time

100%

None

1/16 - 30A

135%

60 minutes max.

200%

120 seconds max.

1/16 - 3A

200%

5 seconds min.

3-2/10 - 8A

200%

12 seconds min.

RoHS

2002/95/EC

Dimensions

(

⁄

)

Drawing Not to Scale

Agency Information

• UL Listed Card: MDL 1/16 - 8A (Guide JDYX, File E19180)

• UL Recognized Card: MDL 9 - 30A (Guide JDYX2,

File E19180)

• CSA Certification Card: MDL 1/16 - 8A

(Class No. 1422-01)

• CSA Component Acceptance: MDL 9-30A

(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

Voltage

Rating

250V

32V

AC Interrupting

Rating*

125V

10000A

SPECIFICATIONS

32V

1000A

Product Code

MDL-1/16

MDL-1/10

MDL-1/8

MDL-3/16

MDL-2/10

MDL-1/4

MDL-3/10

MDL-3/8

MDL-1/2

MDL-3/4

MDL-1

MDL-1-1/4

MDL-1-1/2

MDL-2

MDL-2-1/4

MDL-2-1/2

MDL-3

MDL-4

MDL-5

MDL-6

MDL-6-1/4

MDL-7

MDL-8

MDL-9

MDL-10

MDL-15

MDL-20

MDL-25

MDL-30

†

‡

Traditional Ferrule Fuses - Ferrule Type

250V

35A

100A

200A

Typical DC Cold

Resistance**

(ohms)

38.000

15.900

9.850

4.680

4.115

3.200

2.300

2.800

1.725

0.822

0.525

0.320

0.250

0.173

0.068

0.096

0.067

0.035

0.023

0.018

0.011

0.009

0.008

0.006

0.002

0.001

Typical

Melting I

t†

0.0046

0.0420

0.0422

0.116

0.314

0.447

0.412

0.982

1.656

4.343

11.498

86.2

22.7

62.3

49.6

63.1

67.5

19.3

32.0

37.4

38.7

42.7

47.8

51.5

64.4

354.0

2914.0

15221.0

15581.0

Typical

Voltage

Drop‡

2.79

1.95

1.52

1.05

0.972

0.965

0.808

1.46

1.27

1.01

0.995

0.722

0.721

0.644

0.535

0.410

0.345

0.187

0.160

0.155

0.152

0.140

0.119

0.124

0.114

0.130

0.530

0.30

0.40

Interrupting Ratings (Interrupting ratings were measured at 70% - 80% power factor on AC)

DC Cold Resistance (Measured at

≤10%

of rated current)

Typical Melting I

t (A

Sec) (I

t was measured at listed interrupting rating and rated voltage.)

Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)

OC-88

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