SEMA Systems designs and manufactures integrated electronic systems for rail and metro vehicles. Their products include lighting, door control, passenger information systems, and CCTV, providing comprehensive solutions for train and subway car manufacturers.
Funding
Funding not disclosed
Founders
Product
Problem
Rail and metro vehicles require robust and reliable electronic systems to ensure passenger safety, operational efficiency, and adherence to stringent industry standards. Integrating diverse functionalities such as lighting, door control, passenger information, and fire detection into a unified system presents a complex engineering challenge. Harsh environmental conditions, including electromagnetic interference, vibration, and temperature fluctuations, further complicate the design and deployment of these systems.
Solution
SEMA Systems provides integrated electronic solutions for rail and metro vehicles, specializing in advanced fire detection and suppression systems, alongside other critical subsystems. Their offerings encompass lighting, door control, passenger information systems, CCTV, and TCMS interfaces, all designed to withstand demanding operating environments. SEMA Systems employs a modular design approach, enabling precise diagnostics, easier maintenance, and reduced cabling complexity. Their systems are engineered for compliance with railway standards, including EN50155, EN50126, EN50128, EN50129 and UNI11565, and can be certified up to SIL2.
Target Audience
SEMA Systems primarily serves train and subway car manufacturers, as well as military and industrial clients requiring robust electronic systems for harsh environments.
Features
- Advanced fire detection systems with options for aspiration smoke detectors, point-type detectors (smoke, heat, and CO), and linear heat detectors on RS-485 bus
- Fire suppression systems utilizing various extinguishing agents, including water mist, nitrogen, argon, Novec, and aerosol, with proprietary ultra-micronizing nozzles
- Integration capabilities with Train Control and Management Systems (TCMS) for ATO/ATP interface
- Electronic cards designed, produced, and certified in-house for both complex and simple functions
- Mechanical boxes manufactured with specified Ingress Protection (IP) ratings and certified for EN61373
- Options for intelligent aerosol fire suppression systems that can be activated electronically
- Watermist nozzles designed for very high micronization