SNR — Industrial Automation and Electrical Equipment for Process Control Systems

SNR — a Russian company, developer and manufacturer of equipment for industrial automation, process control systems (PCS), energy, and infrastructure facilities. The company was founded in 1991, headquartered in Moscow. SNR is one of the leading Russian manufacturers in the field of industrial automation and offers comprehensive solutions for control and protection of industrial equipment. The company's products are included in the domestic equipment registry of the Ministry of Industry and Trade and meet the requirements for use in government institutions and critical information infrastructure (CII) facilities.

Official website: snr.ru

About SNR

The SNR company was founded in 1991. The headquarters is located in Moscow. Since its founding, the company has specialized in the development, production, and supply of equipment for industrial automation and process control systems.

SNR has its own R&D center and production facilities, which enables a full cycle of development and manufacturing — from electronic circuit design to final assembly and testing of finished products. The company holds GOST R and international standard certificates, confirming that its products meet safety and quality requirements.

SNR Product Categories

1. Relays and Contactors SNR

SNR offers a wide range of relays and contactors for industrial control systems.

Intermediate Relays

• SNR-PR-01: intermediate relay for switching control circuits. Coil voltage 24 V, 48 V, 110 V, 220 V DC and AC. 2-4 changeover contacts. DIN rail mounting.
• SNR-PR-02: intermediate relay with status indication. Supports up to 4 contacts.

Time Relays

• SNR-RV-01: time relay with adjustable on-delay and off-delay. Delay range from 0.1 s to 100 h. Supply voltage 24-240 V AC.
• SNR-RV-02: multifunctional time relay with selectable operating modes (on-delay, off-delay, pulse).

Contactors SNR

• SNR-K-01: contactor for controlling motors and other loads. Rated current from 9 to 800 A. Coil voltage 24 V, 48 V, 110 V, 220 V.
• SNR-K-02: contactor with mechanical and electrical interlocking for reversing control.

2. I/O Modules SNR

SNR manufactures I/O modules for industrial automation systems.

Discrete I/O Modules

• SNR-MOD-01: discrete input module, 16 channels, 24 V DC. Supports connection of sensors and push buttons.
• SNR-MOD-02: discrete output module, 16 channels, 24 V DC. Control of actuators and indication.

Analog I/O Modules

• SNR-MOD-03: analog input module, 8 channels, 4-20 mA, 0-10 V. Supports connection of temperature, pressure, and level sensors.
• SNR-MOD-04: analog output module, 8 channels, 4-20 mA, 0-10 V. Control of regulating valves and variable frequency drives.

3. Variable Frequency Drives SNR

SNR offers variable frequency drives for controlling the speed of electric motors.

General-Purpose Variable Frequency Drives

• SNR-FC-01: variable frequency drive for controlling asynchronous motors. Power from 0.75 to 500 kW. Supports V/f and vector control.
• SNR-FC-02: variable frequency drive with built-in PLC for small automation systems.

Variable Frequency Drives for Pumps and Fans

• SNR-FC-03: variable frequency drive for pumps and fans with PID control function. Supports control by pressure, flow rate, and level.

4. Soft Starters SNR

SNR offers soft starters for reducing inrush currents and mechanical loads.

Soft Starters

• SNR-SS-01: soft starter for asynchronous motors. Power from 15 to 500 kW. Supports adjustable start and stop times.
• SNR-SS-02: soft starter with overload and overheat protection.

5. Control and Monitoring Systems SNR

SNR offers control and monitoring systems for industrial facilities.

Operator Panels and HMI SNR

• SNR-HMI-01: touchscreen operator panel, 4.3", 7", 10". Supports PLC connection via Modbus, Ethernet.
• SNR-HMI-02: operator panel with visualization and data archiving functions.

Software SNR

• SNR-SCADA: supervisory control and data acquisition (SCADA) software. Supports up to 1000 I/O points.

6. Power Distribution Equipment

SNR manufactures equipment for distribution and protection of electrical power in industrial networks.

Distribution Cabinets

• SNR-SH-01: distribution cabinet for industrial facilities. IP54 protection rating.
• SNR-SH-02: control cabinet with circuit breakers and contactors.

Power Supplies for Process Control Systems

• SNR-PS-01: power supply, 24 V, 5 A, for powering controllers and I/O modules.
• SNR-PS-02: redundant power supply for systems with high reliability requirements.

Certification and Compliance

• SNR products are included in the domestic equipment registry of the Ministry of Industry and Trade.
• Equipment is certified to GOST R and complies with international standards.
• Complies with the requirements of Federal Law No. 44-FZ and No. 223-FZ for government procurement.
• Quality management system is certified to the ISO 9001 standard.

Enterprise Applications

• Industrial facilities: SNR equipment for process control systems, motor control, pumps, and fans.
• Energy sector: control and power distribution systems for power plants and substations.
• Infrastructure facilities: automation of water supply, wastewater, and heating systems.
• Data centers (DC): control and monitoring systems for data centers.

Technical Support

SNR provides warranty and post-warranty service through its own network of service centers across Russia. On-site engineer visits, remote support, and spare parts supply are available. Warranty period for equipment is up to 3 years depending on the series.