Motor type UL number Classification
MKE037_-___-___-_U__ E203009
Class I, Groups C and D
MKE047_-___-___-_U__ E203009
MKE098_-___-___-_U__ E203009
MKE118_-___-___-_U_ E203009
Fig.9-6: Type tests MKE motors
Conformity certificate Yellow Cards
For all MKE motors, Yellow cards are available which confirm the structure and
the compliance with the applicable US standards. If necessary, these Yellow
cards can be requested from the responsible sales office.
Within potentially explosive areas, MKE motors must only be used
in connection with the drive devices of Bosch Rexroth AG.
When mounting the drive control devices in potentially explosive, the following
components must fulfill the Ex protection requirements:
● Motor with attached parts
● Circuits leading into the potentially explosive area
Potentially explosive area
(1) Potentially explosive area with explosion-protected equipments
(2) Control cabinet
(3) Drive control device
(4) MKE motor
(5) Connections (optional)
(6) Connection cables in a steel pipe
(7) Ex terminal box (not included in scope of delivery)
Fig.9-7: Potentially explosive area
Use in Class I
The MKE motors described in this documentation are UL listed and may be
used in hazardous areas according to Class I, Groups C and D.
The related drive control devices and connections of the connection cables
(power and feedback connection) must be outside of the hazardous area.
80/131 Bosch Rexroth AG | Electric Drives
and Controls
Rexroth MKE Synchronous Motors | Project Planning Manual
Operating Conditions and Application Notes
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