SIEMENS SIRIUS Domestic Series Control and Protection Products

SIEMENS SIRIUS Domestic Series Control and Protection Products

The SIEMENS SIRIUS domestic series is a modular control and protection product family covering a power range of 0.04kW-250kW. The core includes four categories: 3RV6/3RV5 circuit breakers, 3RT6/3RT5 contactors, 3RH6 intermediate relays, and 3RU6/3RU5 thermal overload relays. It has key features such as Class 10 trip level, 690-1000V rated voltage, and a maximum short-circuit breaking capacity of 100kA. It supports screw wiring and rail installation, and has passed CCC/UL/CE certification and other multiple standards. It can achieve full scenario protection for motor overload, short circuit, and phase loss, and is suitable for industrial automation multi specification load control needs.

Core product classification and key parameters

1. Circuit breaker (3RV6/3RV5 series)

Product model, specifications, rated current range, short-circuit breaking capacity (400V), core functions, and applicable scenarios

3RV6 series S00 0.11A-16A 55kA-100kA motor/system/transformer protection for low-power motors (0.04-7.5kW)

3RV6 series S0 16A-40A 20kA-55kA overload+short circuit dual protection medium power motor (4-18.5kW)

3RV5 series S2 16A-50A 50kA three-phase balanced load protection medium high power motor (15-22kW)

3RV5 series S3 40A-100A 50kA heavy-duty equipment protection for high-power motors (30-45kW)

2. Contactors (3RT6/3RT5 series)

Product Model Specification AC-3 Rated Current (400V) Compatible Motor Power (400V) Control Voltage Core Features

3RT6 series S00 7A-16A 3kW-7.5kW AC 24V-380V/DC 24V-220V compact, integrated auxiliary contacts

3RT6 series S09A-38A 4kW-18.5kW AC/DC wide voltage compatible with multiple auxiliary contact extensions

3RT5 series S2 32A-50A 15kW-22kW coil surge suppression high mechanical life (10 million cycles)

3RT5 series S3 65A-95A 30kW-45kW screw/rail installation with high current carrying capacity

3RT5 series S6-S12 115A-500A 55kW-250kW AC/DC universal coil suitable for heavy-duty equipment

3. Intermediate relay (3RH6 series)

Specification Contact Configuration AC-15 Rated Current (230V) Control Voltage Mechanical Life Core Functions

S00 4NO/3NO1NC/2NO2NC 10A AC 24V-220V/DC 24V-220V 30 million signal amplification and circuit conversion

4. Thermal overload relay (3RU6/3RU5 series)

Product Model Specification Setting Current Range Adaptation Motor Power (400V) Release Level Reset Method

3RU6 series S00 0.11A-16A 0.04kW-7.5kW CLASS 10 manual/automatic

3RU6 series S0 1.8A-40A 0.75kW-18.5kW CLASS 10 manual/automatic

3RU5 series S2 5.5A-50A 3kW-22kW CLASS 10 manual/automatic

3RU5 series S3 18A-100A 11kW-45kW CLASS 10 manual/automatic

3RU5 series S6-S12 55A-500A 55kW-250kW CLASS 10 manual/automatic

Core Features and Installation Adaptation

1. General characteristics

Safety protection: Circuit breaker anti finger contact design (EN 50274), thermal relay phase loss protection, contactor mirror contact anti misoperation

Environmental adaptation: working temperature -25 ℃~+60 ℃, storage temperature -55 ℃~+80 ℃, humidity up to 90% (no condensation)

Complete certification: CCC, UL 508, CE, CSA C22.2, CCS classification society certification

Attachment extension: auxiliary contacts, shunt/undervoltage release, surge suppressor, independent mounting bracket

2. Installation and wiring

Installation method adapted to product key requirements

35mm rail installation for all series of circuit breakers S3 requires a 15mm high rail

Screw fixed installation of contactors S6-S12 and thermal relays S6-S12 requires independent installation brackets

Plug in installation of hot relay contactor combination 3RU series can be directly plugged into 3RT series

The wiring method includes a full range of screw connections, supporting 1-2 wires with a tightening torque of 0.8-6N · m

Key performance indicators

1. Electrical performance

Product category Rated insulation voltage Short circuit breaking capacity Mechanical life Electrical life

Circuit breaker 690V 20kA-100kA 1 million times 250000 times

Contactor 1000V 8Ie-10Ie (AC-3) 10 million times 200000 times

Intermediate relay 690V -30 million times 1 million times

Thermal overload relay 1000V -1 million cycles-

2. Protection function

Circuit breaker: overload (inverse time limit), short circuit (instantaneous electromagnetic trip), transformer surge current withstand (20In)

Thermal overload relay: overload inverse time protection, phase loss protection, TEST test function, STOP emergency stop

Contactor: AC-3 motor control, AC-4 inching/reverse braking (200000 operations)