Siemens SIRIUS System Manual

SIRIUS System Manual
GWA 4NEB 430 0999-02b
3-1
3
3RT1/3RH1 contactors
Section Subject Page
3.1 Specifications/regulations/approvals 3-3
3.1.1 Utilization categories 3-3
3.1.2 Positively driven operation 3-7
3.1.3 Safe isolation 3-7
3.1.4 Explanation of terms 3-9
3.2 Device description 3-10
3.2.1 Actuating systems 3-12
3.2.2 Short-circuit protection of the SIRIUS contactors 3-12
3.2.3 Operation 3-13
3.2.3.1 General information 3-13
3.2.3.2 Contact reliability 3-14
3.3 Application and areas of use 3-20
3.3.1 3RT10 contactors with 3 main contacts for switching
motors
3-20
3.3.2 3RT1446 contactors with 3 main contacts for switching
resistive loads (AC-1)
3-21
3.3.3 3RT13 and 3RT15 contactors with 4 main contacts 3-22
3.3.4 3RT16 capacitor-switching contactors for switching capaci-
tors
3-25
3.3.5 Contactors with an extended operating range 3-26
3.3.5.1 Contactors with an extended operating range
(3RH11...-0LA0/3RT10...-0LA0)
3-27
3.3.5.2 Contactors with an extended operating range
(3RH1122-2K.40, 3RT1017-2K.4., 3RT102.-3K.40)
3-29
3.3.6 3RH1 auxiliary contactors 3-29
3.3.7 3RT10 contactor relays for switching motors (interface) and
3RH11 contactor relays for switching auxiliary circuits
3-30
3.3.8 Contactor combinations for reversing 3-32
3.3.9 Star-delta combinations 3-41

Siemens SIRIUS Specifications

General

Product brand name	Siemens
Series	SIRIUS
Coil Voltage	24V DC, 110V AC, 230V AC
Switching Capacity	Up to 10A
Mounting Type	DIN rail
Product designation	SIRIUS
Contact Material	Silver alloy
Contact Rating	Varies depending on the specific SIRIUS relay model (e.g., 6 A at 250 V AC, 10 A at 250 V AC)
Switching Voltage	Varies depending on the specific SIRIUS relay model (e.g., 250 V AC, 400 V AC)
Mechanical Life	Up to 10 million operations
Electrical Life	Up to 100, 000 operations
Operating Temperature	-25°C to +55°C
Protection Class	IP20
Size of relay base	Varies depending on the specific SIRIUS relay model