Technical data

MKE UL/CSA Potentially-explosive areas 4-5
DOK-MOTOR*-MKE*UL/CSA*-PR01-EN-P
4.3 Drives in potentially explosive areas
The installation of drives in potentially explosive areas is shown in the
illustration below. The following supplied components must meet Ex
protection requirements:
· motor with attachments
· electrical circuits leading into the potentially explosive area
1
2
3
5
6
7
ex_bereich_us.fh7
4
(1): Poentially explosive area with explosion-proof equipment
(2): cabinet
(3): Drive controller
(4): MKE motor
(5): Connectors (optional)
(6): Connection lines in steel pipe
(7): Ex terminal box (not included in delivery)
Fig. 4-4: Potentially explosive area
The MKE motors described in this documentation are UL-listed and may
be used in potentially explosive areas according to Class I, Groups C and
D.
The associated drive controllers and any required connectors for the
power lines (motor power and feedback connections) must be located
outside of the potentially explosive area.
DANGER
Explosion danger, danger to life and limb,
serious injury and material damage
Þ Do not set up drive controllers or connectors within the
potentially explosive area.
Þ Ensure that connectors cannot enter the Ex area.
Þ Do not disconnect connectors under power!
Þ Ensure that ignition sparks cannot occur in the Ex
area.
Potentially explosive area
Use in Class I