SERIES 70 ELECTRIC ACTUATOR
Installation, Operation, and Maintenance Manual
34 of 48
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Switch Configured for
OnO Applications
Actuator Size
E E E
Actuator Size
E thru
Actuator Size
Limit Switches Standard Standard NA
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 NA A- B-
Heater
Bray oers 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 Coecient) 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 eective
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
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