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3VT Molded Case Circuit Breakers up to 1600 A
1

Related catalogs
2

Contents
3

Explanations
4

01 Introduction
5

Answers for Industry.
7

Low-Voltage Controls and Distribution. The basis for progressive solutions.
8

02 3VT1 Molded Case Circuit Breakers up to 160 A
11

Catalog
12

General data
12

Overview
12

Circuit breakers · Switch disconnectors
13

Overview
13

Selection and ordering data
13

Auxiliary switches · Auxiliary releases
16

Overview
16

Selection and ordering data
16

Accessories and Components
16

Auxiliary switches · Auxiliary releases
16

Overview
16

Selection and ordering data
16

Manual/motorized operating mechanisms
17

Selection and ordering data
17

Connecting accessories
19

Selection and ordering data
19

Mounting accessories
20

Selection and ordering data
20

Technical Information
21

Circuit breakers · Switch disconnectors
21

Design
21

Technical specifications
22

Schematics
23

Characteristics
25

Accessories and Components
32

Auxiliary switches
32

Overview
32

Function
33

Technical specifications
33

Auxiliary releases
34

Design
34

Technical specifications
34

Manual operating mechanisms
35

Design
35

Motorized operating mechanisms
37

Design
37

Schematics
38

Project planning aids
45

Circuit breakers · Switch disconnectors
45

Dimensional drawings
45

03 3VT2 Molded Case Circuit Breakers up to 250 A
57

Catalog
58

General data
58

Overview
58

Circuit breakers · Switch disconnectors
59

Overview
59

Selection and ordering data
60

Accessories and Components
61

Auxiliary switches · Auxiliary releases
61

Overview
61

Selection and ordering data
61

Manual/motorized operating mechanisms
62

Overview
62

Selection and ordering data
62

Mounting accessories
64

Overview
64

Selection and ordering data
64

Connecting accessories
65

Selection and ordering data
65

Further accessories
66

Selection and ordering data
66

Technical Information
67

Circuit breakers · Switch disconnectors
67

Design
67

Technical specifications
68

Schematics
69

Overcurrent releases
71

Overview
71

Function
72

Accessories and Components
80

Auxiliary switches
80

Overview
80

Function
80

Technical specifications
81

Auxiliary releases
82

Overview
82

Function
82

Technical specifications
83

Manual operating mechanisms
84

Overview
84

Design
84

Function
85

Motorized operating mechanism
87

Design
87

Function
88

Mounting accessories
92

Overview
92

Plug-in design
93

Design
93

Withdrawable design
95

Design
95

Project planning aids
98

Dimensional drawings
98

04 3VT3 Molded Case Circuit Breakers up to 630 A
121

Catalog
122

General data
122

Overview
122

Circuit breakers · Switch disconnectors
123

Overview
123

Selection and ordering data
124

Accessories
124

Accessories and Components
125

Auxiliary switches · Auxiliary releases
125

Overview
125

Selection and ordering data
125

Manual/motorized operating mechanisms
126

Overview
126

Selection and ordering data
126

Mounting accessories
128

Overview
128

Selection and ordering data
128

Connecting accessories
129

Selection and ordering data
129

Further accessories
130

Selection and ordering data
130

Technical Information
131

Circuit breakers · Switch disconnectors
131

Design
131

Technical specifications
132

Schematics
133

Overcurrent releases
136

Overview
136

Accessories and Components
145

Auxiliary switches
145

Overview
145

Function
146

Technical specifications
146

Auxiliary releases
147

Overview
147

Function
147

Overview (Undervoltage releases)
148

Technical specifications
148

Manual operating mechanisms
149

Overview
149

Design
149

Mechanical interlocking and parallel switching
150

Function
150

Motorized operating mechanisms
152

Design
152

Function
153

Mounting accessories
157

Overview
157

Plug-in design
158

Design
158

Withdrawable design
160

Design
160

Project planning aids
163

Dimensional drawings
163

05 3VT4 Molded Case Circuit Breakers up to 1000 A
187

Catalog
188

General data
188

Overview
188

Circuit breakers, Switch disconnectors
189

Selection and ordering data
189

Accessories
189

Technical Information
191

Circuit breakers, Switch disconnectors
191

Technical specifications
191

Overcurrent releases
192

Technical specifications
192

06 3VT5 Molded Case Circuit Breakers up to 1600 A
203

Catalog
204

General data
204

Overview
204

Standard circuit breakers · Trip units
205

Selection and ordering data
205

Accessories
205

Auxiliary switches and shunt releases
206

Selection and ordering data
206

Accessories and Components
207

Manual/motorized operating mechanisms
207

Overview
207

Selection and ordering data
207

Mounting accesssories
208

Selection and ordering data
208

Further accessories
209

Selection and ordering data
209

Technical Information
210

Standard circuit breakers · Releases
210

Technical specifications
210

Circuit breakers · Switch disconnectors
211

Schematics
211

Functions
212

Installation and connection
212

Dimensional drawings
214

Accessories and Components
215

Withdrawable version
215

Technical specifications
215

Overcurrent releases
217

Technical specifications
217

Signalling units
227

Technical data
227

Auxiliary switches
228

Technical data
228

Shunt trip units
229

Technical data
229

Undervoltage releases
230

Technical data
230

Rotary operating mechanism
231

Technical data
231

Mechanical interlocking and parallel switching
232

Technical data
232

Motorized operating mechanism
233

Technical data
233

07 Further Accessories
249

Delay unit, Tester
250

Selection and ordering data
250

08 Appendix
251

Glossary
252

Ordering notes
253

Further documentation
254

Standards and approvals
255

Siemens contacts
256

Online services
257

Customer support
258

Subject index
259

Order number index
260

Terms and conditions of sale and delivery
262

Export regulations
262

Catalogs Industry Automation, Drive Technologies and Electrical Installation Technology
265