Explanation Of The Atex Label - ProMinent Sigma 3 Basic Operating Instructions Manual

Identity code
S3Ba Sigma 3 Basic type

1.1 Explanation of the ATEX label

Unit group
II Units for use in areas with a potentially explosive atmosphere – excluding mines
Unit category
2
3
6
M
*** ATEX specification - refer to the nameplate on the pump, corre‐
sponding EU Declaration of Conformity for ATEX Machinery and
Ä Chapter 1.1 'Explanation of the ATEX label' on page 6
FPM = fluorine rubber
in accordance with Directive 2014/34/EU and standards EN ISO
80079-36, -37
High level of safety – use possible in zones 1 and 2
Normal level of safety – use possible in zone 2
modified* * order-related design, refer to
order paperwork for pump
features
Electric power supply
_ Connection data - see motor nameplate
1 no motor, with B 5 flange, size 80 (DIN)
2 no motor, with C 56 flange (NEMA)
3 no motor, with B 5, size 71 (DIN)
Degree of protection
0 IP 55 (standard)
1 Exe design ATEX-T3 ***
2 Exd design ATEX-T4 ***
Stroke sensor
0 no stroke sensor (standard)
2 pacing relay (reed relay)
3 stroke sensor (Namur) for areas at
risk from explosion
Stroke length adjustment
0 manual (standard)
1, 2 Connection data - refer to
nameplate on servomotor
3 - 6 Connection data - refer to
nameplate on stroke control
motor