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Ignition Safety Devices

Ignition Safety Devices

Excelitas Technologies specializes in the design, manufacture and testing of MIL-STD-1901A compliant rocket motor ignition safety devices (ISD) for safe initiation of both launch and flight motor initiators. Our designs include through bulkhead initiators that work in-line with the detonator to provide highly reliable transfer of pyrotechnic energy, while isolating the ISD from the rocket motor heat and combustion effects. Excelitas also designs ISDs for either single or multi-initiation applications.

MIL-STD-1901A requires the use of an ISD for all new rocket motor designs. Our designs comply with all MIL-STD-1901A and other safety requirements including two independent and redundant detection circuits for launch environment sensing. For command-to-launch systems, Excelitas ISDs are designed to ensure that a robust sequence of events occurs prior to the ISDs arming and firing of the initiator. For legacy systems, Excelitas has developed a MIL-STD-1901A compliant initiator that has the same form, fit, and function as existing older style, non-compliant low voltage initiators. Excelitas initiators can be directly inserted into existing systems.

Excelitas ISDs are suitable for a wide range of electronic safe and fire applications:

  • Tactical missiles
  • Strategic missiles
  • Missile defense systems
  • Air-to-surface rockets

Key Features

  • MIL-STD-1316 compliant
  • MIL-STD-1901A compliant
  • Miniaturized packaging
  • Command-to-launch and launch environment sensing
  • Through bulkhead initiator design that works in-line with detonator
  • Single or multiple initiation systems
  • Tiny, on board, shock-hardened data recorder available
  • Rigorous and extensive in-house testing including the Excelitas Automated Test System
  • Patented removable detonator for full functionality testing
  • High-reliability for long term storage
  • EEPROMs for full lot and serialization control
  • Manufactured in state-of-the art ISO 9001 facility