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Siemens SIRIUS System Manual

Siemens SIRIUS
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SIRIUS System Manual
GWA 4NEB 430 0999-02b
iii
3.6 Dimensioned drawings (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . 3-99
3.7 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-110
4 3RU11, 3RB10, and 3RB12 overload relays . . . . . . . . . . . . . . . . . . . . . 4-1
4.1 Specifications/regulations/approvals . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.2 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.2.1 Overload relays in motor feeders . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4.2.2 General device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4.2.3 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
4.3 Application and use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
4.3.1 3RU11 thermal overload relay and 3RB10 electronic overload relay . . . . . . . . . . 4-15
4.3.2 3RB12 electronic overload relays . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
4.4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
4.4.1 Electromechanical remote reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
4.4.2 Mechanical remote reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
4.5 Mounting and connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
4.5.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
4.5.2 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29
4.5.3 Circuit diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
4.6 Dimensioned drawings (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . 4-34
4.7 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
4.7.1 3RU11 thermal overload relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37
4.7.2 3RB10 electronic overload relays . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43
4.7.3 3RB12 electronic overload relays . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47
5 3RA1 fuseless load feeders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5.1 Specifications/regulations/approvals . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.2 Device descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
5.2.1 Mounting systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5.2.2 Mounting kits for self-assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5.2.3 Complete devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5.3 Application and areas of use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
5.4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.4.1 Accessories for the individual devices . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5.4.2 Accessories specifically for the SIRIUS 3RA fuseless load feeder . . . . . . . . . . 5-8
5.4.3 Instructions for self-assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5.5 Mounting and connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5.5.1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18
5.5.2 Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
5.5.3 Circuit diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23
5.6 Dimensioned drawings (dimensions in mm) . . . . . . . . . . . . . . . . . . . . . 5-24
5.7 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-28
6 3RH, 3TX, LZX coupling links . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6.1 Specifications/regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
6.2 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6.2.1 Relay coupling modules versus semiconductor coupling modules . . . . . . . . . . 6-4
6.2.2 Coupling links in two-tier and box terminal format . . . . . . . . . . . . . . . . . . 6-5
6.2.3 Plug-in relay coupling links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
6.2.4 Coupling links for direct attachment . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6.2.5 SIRIUS contactor relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6.2.6 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

Table of Contents

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Siemens SIRIUS Specifications

General IconGeneral
Product brand nameSiemens
SeriesSIRIUS
Coil Voltage24V DC, 110V AC, 230V AC
Switching CapacityUp to 10A
Mounting TypeDIN rail
Product designationSIRIUS
Contact MaterialSilver alloy
Contact RatingVaries depending on the specific SIRIUS relay model (e.g., 6 A at 250 V AC, 10 A at 250 V AC)
Switching VoltageVaries depending on the specific SIRIUS relay model (e.g., 250 V AC, 400 V AC)
Mechanical LifeUp to 10 million operations
Electrical LifeUp to 100, 000 operations
Operating Temperature-25°C to +55°C
Protection ClassIP20
Size of relay baseVaries depending on the specific SIRIUS relay model

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