Audible alarms
CBE (circuit breakers for equipment)
Compressor anti-surge
Emergency stop switches
EMI suppression filters
Fuses
Gas burner safety control
Hazardous gas detection
Intrusion alarms
IS barriers, signal isolation
Key-lock switches
Light curtains
Mechanical torque limiters
Optical isolators
Protection relays
Rope-pull switches
Safety limit switches
Smoke/fire detection
Surge protection/suppression
Thermal magnetic circuit breakers
Visible alarms