Derating table for use of SITOR fuses UL from 250 to 800 A

Minimum housing sizes:

SITOR semiconductor fuse data

Permissible load currents of fuse when installed in type 3KF SITOR

Type

Size

Rated current In

Rated voltage

Operational class

Power loss Pv

250

400

630

800

A

V AC

W

A

A

A

A

3NE4101

0

32

1000

gR

12

32.0

--

--

--

3NE4102

0

40

1000

gR

13

40.0

--

--

--

3NE4117

0

50

1000

gR

16

50.0

--

--

--

3NE4118

0

63

1000

aR

20

63.0

--

--

--

3NE4120

0

80

1000

aR

22

80.0

--

--

--

3NE4121

0

100

1000

aR

24

100.0

--

--

--

3NE4122

0

125

1000

aR

30

110.0

--

--

--

3NE4124

0

160

1000

aR

35

130.0

--

--

-

3NE1224-0

1

160

690

gS

24

140.0

160.0

--

--

3NE1224-2/-3

1

160

690

gR

32

125.0

160.0

--

--

3NE1225-0

1

200

690

gS

27

170.0

200.0

--

--

3NE1225-2/-3

1

200

690

gR

35

160.0

200.0

--

--

3NE1227-0

1

250

690

gS

30

205.0

250.0

--

--

3NE1227-2/-3

1

250

690

gR

37

190.0

250.0

--

--

3NE1230-0

1

315

690

gS

38

205.0

280.0

--

--

3NE1230-2/-3

1

315

690

gR

40

205.0

275.0

--

--

3NE3221

1

100

1000

aR

28

90.0

100.0

--

--

3NE3222

1

125

1000

aR

36

95.0

125.0

--

--

3NE3224

1

160

1000

aR

42

115.0

160.0

--

--

3NE3225

1

200

1000

aR

42

140.0

200.0

--

--

3NE3227

1

250

1000

aR

50

165.0

200.0

--

--

3NE3230-0B

1

315

1000

aR

60

190.0

225.0

--

--

3NE3231

1

350

1000

aR

75

195.0

220.0

--

--

3NE3232-0B

1

400

1000

aR

85

205.0

230.0

--

--

3NE3233

1

450

1000

aR

95

205.0

250.0

--

--

3NE1331-0

2

350

690

gS

42

--

315.0

350.0

350.0

3NE1331-2/-3

2

350

690

gR

43

--

300.0

350.0

350.0

3NE1332-0

2

400

690

gS

45

--

320.0

400.0

400.0

3NE1332-2/-3

2

400

690

gR

50

--

310.0

400.0

400.0

3NE1333-0

2

450

690

gS

53

--

320.0

450.0

450.0

3NE1333-2/-3

2

450

690

gR

58

--

320.0

440.0

440.0

3NE1334-0

2

500

690

gS

56

--

320.0

500.0

500.0

3NE1334-2/-3

2

500

690

gR

64

--

320.0

470.0

470.0

3NE3332-0B

2

400

1000

aR

80

--

260.0

350.0

350.0

3NE3333

2

450

1000

aR

90

--

285.0

380.0

380.0

3NE3334-0B

2

500

1000

aR

90

--

300.0

415.0

415.0

3NE3335

2

560

1000

aR

95

--

320.0

440.0

440.0

3NE3336

2

630

1000

aR

100

--

320.0

480.0

480.0

3NE3337-8

2

710

900

aR

105

--

320.0

515.0

515.0

3NE3338-8

2

800

800

aR

130

--

320.0

500.0

500.0

3NE3340-8

2

900

690

aR

165

--

347.0

520.0

520.0

3NE4327-0B

2

250

800

aR

105

--

160.0

205.0

205.0

3NE4330-0B

2

315

800

aR

120

--

205.0

240.0

240.0

3NE4333-0B

2

450

800

aR

140

--

225.0

310.0

310.0

3NE4334-0B

2

500

800

aR

155

--

240.0

320.0

320.0

3NE4337

2

710

800

aR

155

--

320.0

440.0

440.0

3NC2423-0C/3C

3

150

500

gR

35

--

--

150.0

150.0

3NC2425-0C/3C

3

200

500

gR

40

--

--

200.0

200.0

3NC2427-0C/3C

3

250

500

gR

50

--

--

250.0

250.0

3NC2428-0C/3C

3

300

500

gR

65

--

--

300.0

300.0

3NC2431-0C/3C

3

350

500

gR

60

--

--

350.0

350.0

3NC2432-0C/3C

3

400

500

aR

50

--

--

400.0

400.0

3NC3336-1U

3

630

1000

aR

145

--

--

400.0

400.0

3NC3337-1U

3

710

1000

aR

150

--

--

440.0

440.0

3NC3338-1U

3

800

1000

aR

155

--

--

480.0

480.0

3NC3340-1U

3

900

1000

aR

165

--

--

510.0

510.0

3NC3341-1U

3

1000

1000

aR

170

--

--

530.0

530.0

3NC3342-1U

3

1100

800

aR

185

--

--

530.0

530.0

3NC3343-1U

3

1250

800

aR

210

--

--

530.0

530.0

3NC3430-1U

3

315

1250

aR

80

--

--

290.0

290.0

3NC3432-1U

3

400

1250

aR

95

--

--

330.0

330.0

3NC3434-1U

3

500

1250

aR

115

--

--

370.0

370.0

3NC3436-1U

3

630

1250

aR

120

--

--

440.0

440.0

3NC3438-1U

3

800

1100

aR

145

--

--

450.0

450.0

3NC8423-0C/-3C

3

150

690

gR

40

--

--

150.0

150.0

3NC8425-0C/-3C

3

200

690

gR

55

--

--

200.0

200.0

3NC8427-0C/-3C

3

250

690

gR

72

--

--

245.0

245.0

3NC8431-0C/-3C

3

350

690

gR

95

--

--

290.0

290.0

3NC8434-0C/-3C

3

500

690

gR

130

--

--

250.0

250.0

3NC8444-3C

3

1000

600

aR

140

--

--

530.0

530.0

3NE1435-0

3

560

690

gS

50

--

--

530.0

530.0

3NE1435-2/-3

3

560

690

gR

60

--

--

520.0

520.0

3NE1436-0

3

630

690

gS

55

--

--

530.0

530.0

3NE1436-2/-3

3

630

690

gR

60

--

--

530.0

530.0

3NE1437-0

3

710

690

gS

58

--

--

530.0

530.0

3NE1437-1

3

710

600

gR

65

--

--

530.0

530.0

3NE1437-2/-3

3

710

690

gR

72

--

--

530.0

530.0

3NE1438-0

3

800

690

gS

58

--

--

530.0

530.0

3NE1438-1

3

800

600

gR

72

--

--

530.0

530.0

3NE1438-2/-3

3

800

690

gR

84

--

--

530.0

530.0

3NE1447-2/-3

3

670

690

gR

64

--

--

530.0

530.0

3NE1448-2/-3

3

850

690

gR

76

--

--

530.0

530.0