ALSTOM NRD108031 TRVC070999000 BOTTOM relay module

ALSTOM NRD108031 TRVC070999000 BOTTOM relay module

SPECIFIC PARAMETERS​

Brand ALSTOM​

Product Series NRD Series Industrial Intermediate Relay Modules​

Product Type Industrial-grade Sealed Intermediate Relay Module​

Model NRD108031 TRVC070999000 BOTTOM​

Working Voltage Control Voltage: 24VDC Adaptation Range: 20.4-26.4VDC​

Working Temperature -40℃ to 70℃​

Storage Temperature -55℃ to 85℃​

Relative Humidity 5% to 95% Non-condensing (No Dew Formation)​

Protection Level IP20 (Board-mounted Installation)​

Installation Method Standard 3U Rack Slot Installation/ DIN Rail Installation (Dual Adaptation)​

Contact Configuration 6 Sets of Changeover Contacts (NO+NC)​

Contact Capacity AC: AC-15 250V 12A DC: DC-13 24V 10A​

Contact Life Mechanical Life ≥12,000,000 Cycles Electrical Life ≥150,000 Cycles (Rated Load)​

Operation Time ≤12ms (Pick-up) ≤8ms (Drop-out)​

Coil Power Consumption Typical 1.0W Maximum 1.3W​

Isolation Level 5000Vac Electrical Isolation Between Coil and Contacts 2500Vac Electrical Isolation Between Contact Groups​

Size 100mm×160mm×50mm (Length×Width×Height)​

Weight 0.85kg​

Certification Qualification CE UL IEC 60947-5-1 IEC 61131-3 RoHS TÜV​

Compatible System ALSTOM ALSPA Control Systems Industrial DCS/SCADA Systems Power Protection Devices Rail Transit TCMS Systems Steam Turbine Control Systems​

Diagnostic Functions Real-time Contact Status Monitoring Coil Overvoltage/Undervoltage Protection Module Self-diagnosis Fault Signal Feedback Circuit Short Circuit Detection​

Anti-interference Level Complies with EN 55032/EN 61000-6-2 Industrial EMC Standards​

Vibration and Shock Resistance Complies with IEC 61373 Class 1 Standard​

MTBF (Mean Time Between Failures) ≥1,200,000 Hours​

Housing Material Flame-retardant ABS Engineering Plastic Fully Sealed Structure​

Contact Material Silver Alloy Contacts (AgCdO Alloy)​

Coil Type Low-power Sealed Coil Surge-resistant Design​

Wiring Method Screw-type Terminal Blocks Anti-loosening Design​

PRODUCT PERFORMANCE​

Adopts 6 sets of changeover contacts configuration, adapting to medium and high-load control circuit needs, supporting synchronous switching of multi-link signals and improving system control integration flexibility​

Silver alloy (AgCdO) contact material combined with fully sealed structure, mechanical life over 12 million cycles and electrical life over 150,000 cycles, ensuring long-term reliability in high-frequency switching scenarios​

5000Vac high electrical isolation between coil and contacts, effectively resisting electromagnetic interference and voltage surges in industrial sites, ensuring the integrity of signal transmission and the safety of equipment operation​

Industrial-grade wide-temperature adaptability, can work stably in the temperature range of -40℃ to 70℃ and 5%-95% non-condensing humidity environment, adapting to extreme working conditions such as alpine and high temperature​

24VDC wide-range control voltage input design, compatible with power supply fluctuations in industrial sites, and coil surge protection can avoid module damage caused by abnormal voltage​

Dual installation methods for flexible adaptation, supporting both standard 3U rack integration and independent fixing via DIN rail, meeting the layout and installation needs of different control cabinets​

Built-in contact status monitoring and fault feedback mechanism, combined with coil overvoltage/undervoltage protection, accurate fault location, enabling rapid troubleshooting of circuit abnormalities and reducing operation and maintenance costs​

Flame-retardant ABS fully sealed housing design, dustproof, moisture-proof and corrosion-resistant, adapting to harsh environments such as high dust and humidity in industrial sites, extending module service life​

Rapid action response, pick-up time ≤12ms and drop-out time ≤8ms, meeting the rapid switching needs of industrial control circuits and ensuring real-time execution of control commands​

Seamlessly compatible with ALSTOM’s full range of control systems and steam turbine control platforms, no additional adaptation components required, simplifying system integration process and improving control link stability​