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Wiring Instructions
• ST45ML-NEC can be wired by using both external contact and transistor.
• In case of wiring by transistor, please make sure if it is NPN type or PNP type. Please carefully follow wiring instruction below.
External Contact
1
Red
Amber
2
Blue
3
Steady
Green
Ground
connection
Fuse
Black
• External power line/ external signal line - LAPP UNITRONIC 300
• This product can be wired regardless of polarity.
Parts Definition/ Installation
Out Cover(AI)
Ex Globe(PC)
Lens(PC)
Housing(PC)
Flange nut
• First, remove the flange nuts from bolts and place the
product through the mounting surface holes.
• Fasten the flange nuts on the opposite side of the mounting
surface until the product is tightened securely.
Installation Environment and Protection Rating
•
This product is designed to be explosion proof.
Please make sure to use the product in an environment that meets the specified explosion proof rating and regulations.
•
•
For further information, please visit our website (www.qlight.com).
ST45ML-NEC-DC
Red
1
Layer1
Amber
2
Layer2
Blue
Layer3
3
Green
Power
Black
External transistor-NPN
1
Layer1
2
Layer2
Layer3
3
Steady
Ground
connection
Fuse
Power
Mounting Hole Specifications
• Machine holes on the mounting surface referring to the
diagram below.
3-Ø5 HOLES
Ø20 HOLE
PCD 30
Grounding Instructions
M4 ground
contact part
3
External transistor-PNP
Red
Layer1
Amber
Layer2
Blue
Layer3
Green
Ground
connection
Fuse
Power
Black
• Please use an M4 bolt at the location
marked in the diagram above to ground
the product.
• When connecting the grounding cable,
please use a ring terminal.
• Please use a ring terminal made of C5212
material as it has the same electrical prop-
erties of the conductor.
• Please use a grounding cable with a
diameter greater than 4mm
2
.
• Internal grounding terminal shall be used
for the equipment grounding connection
and that the external terminal is for a
supplementary bonding connection
where local codes or authorities permit
Buzzer Sound VolumeAdjustment
Instructions or require such connection.
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