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Istec SpeedSys 200 overspeed protection module

Istec SpeedSys 200 · SSY200-000-003 · overspeed protection module · 0-35 kHz · SIL 2 certified protection · speed signal to relay, open collector and analog outputs · single channel or voting structures

The SpeedSys 200 is a high integrity overspeed protection system. The robust design with advanced self-monitoring, galvanic separated in- and outputs and certification by design make a high-end product that stands out in the market. The focus on the core safety functions make a system that is easy to use and to maintain, with very long proof test intervals.

Advanced overspeed protection for a wide range of applications

The system architecture is designed for versatility. A single module can offer a reliable and economical solution for overspeed protection. For more demanding applications or increased availability, redundancy and voting structures can be created.
Typical applications include:
  • Compressors and pumps
  • Microturbines
  • Wind turbines
  • Gas- and steam turbines
  • Hydroelectric power stations
  • Safety system by design

  • Fast reaction time to overspeed – 8 ms
  • 2 safety relays + 1 safety analog output per module
  • External voting for redundant configurations
  • Advanced self-monitoring and diagnostics
  • 10 year proof test interval (typical)
  • Versatile architecture

    Every channel is designed to work as an independent module. SIL 2 certified protection can be achieved with a single module. To maximize availability, the double-pole safety relays can easily be wired into various configurations as shown below.


    Industrial standards:
  • API670 and API612 compliant
  • SIL 2 certified (IEC 61508)
  • ATEX (IECEx) Zone 0,1,2 (EX-ia) (input only)
  • International standards:
  • Europe: CE
  • USA/Canada: cMETus; FCC

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