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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).

Mounting Hole Specifications

• ST45ML-EX 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 power line/ external signal line - UL2464 AWG22(0.3sq) 400mm
• This product can be wired regardless of polarity. 

Wiring Instructions

Parts Definition/ Installation

• Machine holes on the mounting surface referring to the 
  diagram below.

ST45ML-EX-DC

ST45ML-EX-DC

Red
Amber
Green
Blue

White

Black

Red
Amber
Green
Blue
White

Black

Red
Amber
Green
Blue
White

Black

Layer1
Layer2 
Layer3 
Layer4 
Layer5 

Layer1
Layer2 
Layer3 
Layer4 
Layer5 

Layer1
Layer2 
Layer3 
Layer4 
Layer5 

Power

Power

Power

Fuse

Fuse

Fuse

Steady

Steady

Steady

EXTERNAL TRANSISTOR-NPN

EXTERNAL TRANSISTOR-PNP

EXTERNAL CONTACT

Cover(ABS)

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.

Grounding Instructions

M4 ground 

contact part

• 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 properties of the conductor. 

• Please use a grounding cable with a 

  diameter greater than 4mm.

Cover(AI) -T6 only

3-Ø5 HOLES

Ø17 GABLE GLAND HOLE

PCD 30

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