Grundfos SE - Approvals

Code Explanation Designation
[ ] Thermal switches
Thermal protection
T PTC thermistor
[ ] 1st generation
Generation code
A 2nd generation
Z Custom-built products Customisation
*Only for 2- and 4-pole motors.
**Only for 6-pole motors.
2.5 Approvals
The explosion-proof versions have been approved by FM Approvals according to the ATEX directive and IEC
standards.
2.5.1 Explanation of Ex approval
The SE, SL 9-30 kW pumps have the following
explosion protection classification:
ATEX
Direct-drive pump: CE 0344 II 2 G Ex h db IIB T4 Gb IP68
Pump driven by frequency converter: CE 0344 II 2 G Ex h db IIB T3 Gb IP68
ICEX
Direct-drive pump: Ex db IIB T4 Gb Ta = -20 to +40 °C
Pump driven by frequency converter: Ex db IIB T3 Gb Ta = -20 to +40 °C
IEC 60079-0:2017, IEC 60079-1:2014
Directive or
standard
Code Description
ATEX
CE 0344 =
CE marking of conformity according to the ATEX directive 2014/34/EU,
Annex X.
0344 is the number of the notified body which has certified the quality system
for ATEX.
= The equipment conforms tothe harmonised European standard.
II =
Equipment group according to the ATEX directive, defining the requirements
applicable to the equipment in this group.
2 =
Equipment category according to the ATEX directive, defining the
requirements applicable to the equipment in this category.
G = Explosive atmospheres caused by gases, vapours or mists.
9
English (GB)