
4
NA SERIES MANUAL
Actuator MUST be properly grounded. Use the grounding lugs
provided on the inside or outside of the ACTUATOR body.
To minimize the possible damage caused by condensation, be
sure to energize the heater.
Care should be taken when wiring 3-phase ACTUATORS.
Confirm proper rotation and limit switch shutoff function during
the initial operation. If the ACTUATOR rotates in the reverse
direction, then the phasing needs to be corrected by switching
two of the 3-phase wires on the terminal block.
Explosion-proof products must be used under the temperature
and environment appropriate for the product spec.
Explosion proof ACTUATORS and wiring must be properly
sealed prior to operation. Improper installation may cause a
hazardous condition and failure of the explosion proof enclo-
sure. The manufacture is not responsible for any losses or
damages caused by incorrect installation.
1. Certified cable entries rated for at least 90℃ must be used
when installed.
2. If conduit is used for cable entry, a seal fitting with setting
compound must be installed as close as possible, within
450mm, to the ACTUATOR.
Ex d IIB T4 -20℃~ +55℃
Flameproof Enclosure Level and Environment of ACTUATOR