en Product description
12 WILO SE 2017-12
4.5 Operation in an explosive atmo-
sphere
P 13
ATEX approval
•
FM approval
•
CSA-Ex approval
-
Key: - = not available/possible, o = optional, • = as standard
For use in explosive atmospheres, the pump must be marked as follows on the rating
plate:
▪“Ex” symbol of the corresponding approval
▪Ex classification
For the relevant requirements, refer to the explosion protection chapter in the ap-
pendix of these installation and operating instructions!
ATEX approval
The pumps are suitable for operation in potentially explosive areas, which require
devices belonging to group II, category 2. The pumps can be used in both zone 1 and
zone 2.
These pumps must not be used in zone 0!
FM approval
The pumps are suitable for operation in potentially explosive areas, which require
devices belonging to the protection class “Explosion proof, Class 1, Division 1”. There-
fore, operation in areas with the required protection class “Explosion proof, Class 1, Di-
vision 2” is also possible.
4.6 Technical data
General
Mains connection [U/f]
See rating plate
Power consumption [P
1
]
See rating plate
Rated power [P
2
]
See rating plate
Max. delivery head [H]
See rating plate
Max. volume flow [Q]
See rating plate
Activation type [AT]
See rating plate
Fluid temperature [t]
3...40°C
Pressure connection
DN32/DN40/Rp1¼
Protection class
IP68
Insulation class [Cl.]
F (optional: H)
Speed [n]
See rating plate
Max. switching frequency
50/h
Max. immersion depth [8]
20m
Cable length (standard version)
10m
Explosion protection
ATEX, FM
Operating modes
Immersed [OTs]
S1
Non-immersed [OTe]
S2-30, S3 25%*
* Operating mode S350% is permitted if the necessary motor cooling is guaranteed
before the motor is switched on again! To ensure the required cooling, the motor must
be completely immersed for at least 1min.!
4.7 Type key
Example: Wilo-Rexa CUT GE03.25/P-T15-2-540X/P
CUT
Series
GE
Grinder pump with external macerator
03
Nominal diameter of the pressure connection: DN32
25
Max. delivery head in m