Optical / Audible signaling devices from Norstat feature innovative, high quality, reliable, environmentally rated and cost effective products, with robust design to provide long service life.

Our System70 stack lights are designed to provide optical and audible indication and warning for critical conditions or applications.  They feature a modular construction design, which allows you to combine the different elements to create any variation that you may need.  Light and buzzer elements offer tool free assembly via  a bayonet locking connection system.  The stack light is wired at the terminal base, via screw terminals, with an individual terminal for each stack position and common negative.  Standard light elements feature a BA15 socket base, which can be used in conjunction with LED or incandescent bulbs.  Elements with integrated Xenon flash  tubes are available in 3 and 6 Joules.  All elements are available in six colors.  The System 70 stack lights are environmentally rated to IP65.

UL, CUL and VDE approved.

All product are made under the ISO 9001 system.

Elements available include:

• Permanent light	for BA15d bulb or LED-lamp
• Blinking light	for BA15d bulb or LED-lamp
• Flashing light	Xenon-flash tube, 3 Joule, 1Hz frequency
• Flashing light	Xenon-flash tube, 6 Joule, 1Hz frequency
• Buzzer	100 dB(A) continuous tone, pulse tone or two-tone (must be used in the top position)
• Warning light/buzzer	95 dB(A) continuous tone, pulse tone or two-tone and for BA15d bulb or LED-lamb (must be used in the top position)