If you are manually testing emergency lighting installations, these test switch and sensing modules are what you need.
 

• Ability to perform an initial 120min test and 90min tests
• Available in two options:
  • 1) key operated surface mount unit
  • 2) OEM DIN mounted push-button unit for integrating into switchboards 
     
• Optional 8 Channel Phase Sensing Module is to be used when sensing other phases or lighting circuits. If one of the inputs detects loss of power, it will actuate the contactor on the test switch activating the emergency lighting