BK/C520-500-R - BUSSMANN BY EATON

Description

• Fast-acting

• 5 x 14.48mm physical size

• Glass tube, nickel-plated brass endcap construction

• UL Listed product meets standard UL 248-14

Agency Information

• UL Listed Card: Guide JDYX, File E19180

• CSA Certification Card: Class 1422-01, 53787

Ordering

Specify product code

• Insert packaging code prefix before part number. E.g.

BK (or BK1)/C520-500-R

5.0 (Typ.)

14.48 5.2

Dimensions - mm

Drawing Not to Scale

Electrical Characteristics

Rated Current Amp Rating Opening Time

100% None

100mA - 5A 135% 1 hours max.

200% 2 seconds max.

Specifications

Voltage Interrupting Rating Typical DC Cold Typical Typical

Part Number Rating at Rated Voltage (amps) Resistance* Melting I2t** Voltage

Vac 250Vac 125Vac (ΩΩ) AC Drop (mV)***

C520-100-R 250 35 10,000 22.30 0.0010 2230

C520-125-R 250 35 10,000 15.20 0.0019 1930

C520-250-R 250 35 10,000 5.60 0.012 1450

C520-375-R 250 35 10,000 2.53 0.039 968

C520-500-R 250 35 10,000 1.66 0.059 845

C520-750-R 250 35 10,000 0.91 0.264 686

C520-1.5-R 250 100 10,000 0.900 0.800 135

C520-2-R 250 100 10,000 0.064 1.9 136

C520-2.5-R 250 100 10,000 0.046 2.9 121

C520-3-R 250 100 10,000 0.038 6.1 116

C520-3.5-R 250 100 10,000 0.032 9.7 115

C520-4-R 250 200 10,000 0.022 16.6 88

C520-5-R 250 200 10,000 0.018 22.4 91

* DC Cold Resistance (Measured at <10% of rated current)

** Typical Melting I2t (A2Sec) (maximum I2t at 10 times rated current)

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

5 x 15mm Glass Tube Fuses

C520 Series, Fast-Acting

0409 BU-SB09252 Page 1 of 2 Data Sheet 2027

Time-Current Curve

Packaging Code

Packaging Code Prefix Description

BK 100 fuses packed into a cardboard carton

BK1 1,000 fuses packed into a cardboard carton

St. Louis, MO 63178

www.cooperbussmann.com

0409 BU-SB09252 Page 2 of 2 Data Sheet 2027

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.

Amp

Rating

Current in Amps

Time in Seconds