Bray 70 Series - Heater

SERIES 70 ELECTRIC ACTUATOR
Installation, Operation, and Maintenance Manual
34 of 48
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Switch Configured for
OnO Applications
Actuator Size
E E E
Actuator Size
E thru 
Actuator Size
 
 Limit Switches Standard Standard NA
 Limit  Fixed A- A- Standard
 Limit  Fixed  Mid A- A- B-
 Limit  Fixed  Mid A- A- B-
 Limit  Fixed  Set Mid A- A- B-
 Limit  Fixed  Set Mid NA A- B-
 Heater
Bray oers an optional heater as a field or factory installable option for the
Series  actuator to prevent condensation from forming inside the actuator This
PTC (Positive Temperature Coecient) style heater has a unique temperature
- resistance characteristic The heater self-regulates by increasing its electrical
resistance relative to its temperature The heater does not require external
thermostats or switches to control its heat output
Heater
Figure  Heater installed on a S switch plate
NOTICE
The heater must have a constant power supply to be eective
WARNING
The heater surface can reach temperatures in excess of F [C]
Heater Kit
 Heater with flying leads
 Mounting Bracket
  Pan Head Screw Phillips Drive
Tools Required
 Screwdriver ” [ mm] tip flat blade
 Screwdriver No Phillips