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            1. "

              HR250 Series

              Electrical Characteristics

              Part number

              I H

              I T

              V max

              I max

              T trip

              R min

              R max

              R 1max

              (A)

              (A)

              (V)

              (A)

              (A)

              (S)

              (Ω)

              (Ω)

              (Ω)

              HR250-050

              0.050

              0.12

              250

              3.0

              0.25

              5.0

              18.5

              40.00

              65.00

              HR250-080

              0.080

              0.19

              250

              3.0

              0.40

              5.0

              10.00

              20.00

              35.00

              HR250-110

              0.110

              0.24

              250

              3.0

              0.55

              15.0

              5.00

              12.00

              18.00

              HR250-120

              0.120

              0.27

              250

              3.0

              0.60

              15.0

              5.00

              10.00

              18.00

              HR250-145

              0.145

              0.29

              250

              3.0

              0.73

              15.0

              3.00

              6.50

              12.0

              HR250-160

              0.160

              0.37

              250

              10.0

              0.80

              16.5

              2.50

              6.30

              11.50

              HR250-250

              0.250

              0.56

              250

              10.0

              1.25

              18.5

              2.00

              5.10

              9.70

              HR250-300

              0.300

              0.60

              250

              10.0

              1.65

              21.0

              1.5

              4.00

              6.50

              HR250-400

              0.400

              0.90

              250

              10.0

              2.00

              24.0

              1.0

              3.50

              5.50

              HR250-500

              0.500

              1.25

              250

              10.0

              2.50

              26.0

              0.70

              3.0

              4.80

              HR250-600

              0.60

              1.35

              250

              10.0

              4.00

              26.5

              0.50

              2.30

              3.68

              HR250-800

              0.80

              1.80

              250

              10.0

              4.00

              28.0

              0.30

              1.00

              1.95

              HR250-1000

              1.00

              2.00

              250

              10.0

              5.00

              32.0

              0.20

              0.60

              1.20

              IH = Hold current : maximum current at which the device will not trip at 25℃ still air.
              IT = Trip current: minimum current at which the device will always trip at 25℃ still air.
              Vmax=Interrupt voltage device can withstand without damage at rated current.
              I max = Maximum fault current device can withstand without damage at rated voltage.
              Ttrip=Maximum time to trip(s) at 5*IH.
              R min = the smallest zero power resistance under the ambient temperature of 25℃.
              R max = the biggest zero power resistance in the ambient temperature of 25℃.
              R1max =Maximum device resistance one hour after it is tripped at 25℃.

              ?

              Thermal Derating Chart-IH (A)

              Part number

              Maximum ambient operating temperatures(℃)

              -40

              -20

              0

              25

              40

              50

              60

              70

              85

              HR250-050

              0.080

              0.075

              0.062

              0.050

              0.040

              0.035

              0.030

              0.025

              0.017

              HR250-080

              0.124

              0.110

              0.095

              0.080

              0.066

              0.059

              0.051

              0.044

              0.033

              HR250-110

              0.171

              0.151

              0.131

              0.110

              0.091

              0.081

              0.071

              0.061

              0.040

              HR250-120

              0.191

              0.170

              0.148

              0.120

              0.104

              0.093

              0.082

              0.071

              0.055

              HR250-145

              0.225

              0.199

              0.172

              0.145

              0.119

              0.106

              0.093

              0.080

              0.060

              HR250-160

              --

              0.240

              0.200

              0.160

              0.128

              0.112

              0.096

              0.080

              0.054

              HR250-250

              --

              0.375

              0.315

              0.250

              0.200

              0.175

              0.150

              0.125

              0.087

              HR250-300

              --

              0.50

              0.42

              0.33

              0.27

              0.23

              0.20

              0.17

              0.11

              HR250-400

              --

              0.60

              0.51

              0.40

              0.33

              0.28

              0.24

              0.20

              0.14

              HR250-500

              --

              0.70

              0.62

              0.50

              0.45

              0.40

              0.34

              0.27

              0.22

              HR250-600

              --

              0.90

              0.75

              0.60

              0.48

              0.42

              0.36

              0.30

              0.21

              HR250-800

              --

              1.20

              1.00

              0.8

              0.64

              0.56

              0.48

              0.40

              0.28

              HR250-1000

              --

              1.36

              1.19

              1.00

              0.82

              0.73

              0.64

              0.55

              0.41

              ?

              Typical Time-to-Trip Chaits at 25 ℃

              A=HR250050

              B=HR250080

              C=HR250110

              D=HR250120

              E=HR250145

              F=HR250160

              G=HR250250

              H=HR250300

              I=HR250400

              J=HR250600

              K=HR250800

              L=HR2501000

              ?

              Test Procedures And Requirements

              Test

              Test Conditions

              Accept/Reject Criteria

              Resistance

              In still air,25 ℃

              R min ≤ R ≤ R max

              Time to Trip

              25 ℃ , 5I H , V max

              T ≤ T trip

              Hold Current

              I H , 30 min.

              No trip

              Trip Cycle Life

              V max , I max 20 cycles

              No arcing or burning

              Trip Endurance

              V max 九州体育bet9登录, 24 hours

              No arcing or burning

              ?

              Product Dimensions (mm)

              Part number

              A

              B

              C

              D

              E

              F

              Max.

              Max.

              Typ.

              Min.

              Max.

              Typ.

              Style

              HR250-050

              8.3

              10.7

              5.1

              7.6

              3.8

              1

              0.5

              HR250-080

              8.3

              10.7

              5.1

              7.6

              3.8

              1

              0.5

              HR250-110

              8.3

              10.5

              5.1

              7.6

              3.8

              2

              0.5

              HR250-120

              8.3

              10.5

              5.1

              7.6

              3.8

              2

              0.5

              HR250-145

              8.9

              11.8

              5.1

              7.6

              3.8

              2

              0.5

              HR250-160

              9.9

              13.5

              5.1

              7.6

              3.8

              2

              0.5

              HR250-250

              10.5

              18.8

              5.1

              7.6

              3.8

              2

              0.6

              HR250-300

              11.5

              18.8

              5.1

              7.6

              3.8

              2

              0.6

              HR250-400

              11.5

              20.9

              5.1

              7.6

              3.8

              2

              0.6

              HR250-500

              13.5

              21.2

              5.1

              7.6

              3.8

              2

              0.8

              HR250-600

              14.0

              22.7

              5.1

              7.6

              3.8

              2

              0.8

              HR250-800

              17.5

              27.5

              10.2

              7.6

              3.8

              2

              0.8

              HR250-1000

              18.5

              28.0

              10.2

              7.6

              3.8

              2

              0.8

              ?

              Style 1

              Style 2

              * Lead material: Tin-plated metal wire.  

              * ROHS compliant and lead-free

              ?

              Package Information ( PE BAG )

              HR250-050~HR250-250  ┈┈┈┈┈┈┈┈┈┈ 1000 per bag.
              HR250-330~HR250-600 ┈┈┈┈┈┈┈┈┈┈500 per bag.
              HR250-800~HR250- 2000 ┈┈┈┈┈┈┈┈┈┈ 250 per bag.

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