Fuses and fuse systems, Introduction – Siemens AC-21A User Manual

Page 30

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Siemens LV 10 · 2004

7/30

Fuses and Fuse Systems

Introduction

7

Selection and ordering data

1) If a cyclic load is applied, it may be necessary to further reduce the cur-

rents (please inquire about precise values).

2) Values in brackets apply to the 3NP4 fuse switch disconnector.

3) Values in brackets apply to the 3KL5/3KM5 switch disconnectors.

For switch disconnectors

SITOR semiconductor protection fuse

Type

Type

Permissible load cur-
rent of the SITOR
semiconductor protec-
tion fuse in the switch
disconnector

1)

Required conductor
cross-section
Cu

Size

Opera-
tional
class

Rated
current

Rated
voltage

DT

Order No.

PS*

Weight
per PU
approx.

A

mm

2

A

V

kg

For 3NP fuse switch disconnectors

3NP54

3NP44 70,

560 (510)

2)

2 × 150

3

gR/gS

560

690

}

3NE1 435-0

1 unit

1.110

3NP44 76

560 (540)

2)

2 × 150

gR

560

}

3NE1 435-2

1 unit

1.140

630 (535)

2)

2 × 185

gR/gS

630

}

3NE1 436-0

1 unit

1.110

3NP44 76

630 (600)

2)

2 × 185

gR

630

}

3NE1 436-2

1 unit

1.170

3NP54

3NP44 70,

710 (600)

2)

2 Ч (40 Ч 5)

3

gR/gS

710

690

}

3NE1 437-0

1 unit

1.110

3NP44 76

690 (570)

2)

gR

690

600

C

3NE1 437-1

1 unit

1.120

710 (685)

2)

gR

710

600

}

3NE1 437-2

1 unit

1.150

3NP54

3NP44 70

800 (630)

2)

2 Ч (50 Ч 5)

3

gR/gS

800

690

}

3NE1 438-0

1 unit

1.120

3NP44 76

750 (600)

2)

gR

750

600

C

3NE1 438-1

1 unit

1.110

800 (770)

2)

gR

800

600

}

3NE1 438-2

1 unit

1.180

670 (655)

2)

2 Ч (40 Ч 5)

gR

670

690

}

3NE1 447-2

1 unit

1.170

850 (820)

2)

2 Ч (40 Ч 8)

gR

850

690

}

3NE1 448-2

1 unit

1.200

For SENTRIC 3KL5, 3KL6 and 3KM5 switch disconnectors with fuses

3KL50 30

3KM50 30

16

1.5

000

3)

gR/gS

16

690

}

3NE1 813-0

9 units

0.127

20

2.5

20

}

3NE1 814-0

9 units

0.128

25

4

25

}

3NE1 815-0

9 units

0.127

35

6

35

}

3NE1 803-0

9 units

0.128

40

10

gR/gS

40

690

}

3NE1 802-0

9 units

0.127

50

10

50

}

3NE1 817-0

9 units

0.128

63

16

63

}

3NE1 818-0

9 units

0.128

3KL52 30

3KM52 30

80

25

80

}

3NE1 820-0

9 units

0.129

3KL52 30

3KM52 30

100

35

00

gR/gS

100

690

}

3NE1 021–0

3 units

0.202

125

50

gR/gS

125

}

3NE1 022–0

3 units

0.202

125

50

gR

125

}

3NE1 022–2

3 units

0.203

3KL55 30

3KM55 30

160

70

1

gR/gS

160

690

}

3NE1 224-0

3 units

0.580

160

gR

160

}

3NE1 224-2

3 units

0.613

200

95

gR/gS

200

}

3NE1 225-0

3 units

0.582

200

gR

200

}

3NE1 225-2

3 units

0.612

250

120

gR/gS

250

}

3NE1 227-0

3 units

0.580

245

gR

250

}

3NE1 227-2

3 units

0.626

3KL57 30

3KM57 30

315

2 × 70

gR/gS

315

}

3NE1 230-0

3 units

0.581

280

gR

315

}

3NE1 230-2

3 units

0.615

3KL57;

3KM57 30

350 (330)

3)

2 × 95

2

gR/gS

350

690

}

3NE1 331-0

3 units

0.766

3KL61 30

350 (300)

3)

gR

350

}

3NE1 331-2

3 units

0.754

400 (375)

gR/gS

400

}

3NE1 332-0

3 units

0.743

3KL61 30

3KM57 30

450 (400)

3)

2 × 120

gR/gS

450

}

3NE1 333-0

3 units

0.760

450 (325)

3)

gR

450

}

3NE1 333-2

3 units

0.768

500 (400)

3)

gR/gS

500

}

3NE1 334-0

3 units

0.766

500 (350)

3)

gR

500

}

3NE1 334-2

3 units

0.768

3KL61 30,

560

2 × 150

3

gR/gS

560

690

}

3NE1 435-0

1 unit

1.110

3KL62

560

gR

560

}

3NE1 435-2

1 unit

1.140

630

2 × 185

gR/gS

630

}

3NE1 436-0

1 unit

1.110

615 (630)

gR

630

}

3NE1 436-2

1 unit

1.170

3KL61 30,

710

2 Ч (40 Ч 5)

3

gR/gS

710

690

}

3NE1 437-0

1 unit

1.110

3KL62

710 (700)

gR

600

C

3NE1 437-1

1 unit

1.120

630

gR

710

690

}

3NE1 437-2

1 unit

1.150

3KL61 30,

800

2 Ч (50 Ч 5)

3

gR/gS

800

690

}

3NE1 438-0

1 unit

1.120

3KL62

770 (800)

gR

600

C

3NE1 438-1

1 unit

1.110

630 (760)

gR

800

690

}

3NE1 438-2

1 unit

1.180

630 (670)

2 Ч (40 Ч 5)

gR

670

690

}

3NE1 447-2

1 unit

1.170

630 (790)

2 Ч (40 Ч 8)

gR

850

690

}

3NE1 448-2

1 unit

1.200

* This quantity or a multiple thereof can be ordered.

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