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Contents

1

Introduction

2

3LD Main Control and EMERGENCY-STOP Switches up to 250 A

3

Introduction

3

Front mounting

6

Floor mounting

11

Distribution board mounting

17

Molded-plastic enclosures

19

DC applications

21

Accessories

22

5TE1 Switch Disconnectors up to 200 A

27

Introduction

27

General data

28

3KA, 3KE Switch Disconnectors up to 1000 A

32

Introduction

32

Floor mounting

35

Molded-plastic enclosures

40

Accessories

41

3VT Switch Disconnectors up to 1600 A

44

Introduction

44

3VT1 switch disconnectors up to 160 A

46

3VT2 switch disconnectors up to 250 A

51

3VT3 switch disconnectors up to 630 A

57

3VT4 switch disconnectors up to 1000 A

63

3VT5 switch disconnectors up to 1600 A

64

3KL Switch Disconnectors with Fuses up to 800 A

68

Introduction

68

Floor mounting

70

Front mounting

72

Accessories

73

Fuses

75

3KM Switch Disconnectors with Fuses and Isolating Plug Connector up to 400 A

77

Introduction

77

For snapping onto busbars

79

Accessories

80

Fuses

82

8UC7 Door-Coupling Rotary Operating Mechanisms

84

For 3K switch disconnectors

84

Individual parts

88

Operating mechanisms for fixed mounting

89

3NJ62 In-Line Switch Disconnectors with Fuses up to 630 A

90

Introduction

90

For LV HRC fuse links

95

For BS fuse links

97

For LV HRC and BS fuse links

99

Accessories

108

3NP1 Fuse Switch Disconnectors up to 630 A

115

Introduction

115

Floor mounting

118

For 40 mm busbar system

120

For 60 mm busbar system

122

Accessories

124

Fuses

132

3NP5 Fuse Switch Disconnectors up to 630 A

135

Introduction

135

Floor mounting

137

For 40 mm busbar system

138

For 60 mm busbar system

139

With fuse monitoring

140

Accessories

143

Fuses

145

3NJ4, 3NJ5 In-Line Fuse Switch Disconnectors up to 2000 A

148

Introduction

148

1-pole, switchable

151

3-pole, switchable

152

Accessories

153