Helios MegaBox MB, Installation And Operating Instructions Manual

Page: 26 / 32

6 .0 Technical data
Protection class IP55
Temperature class T1-T3
Max. air flow temperature -20 °C to +40 °C
6 .1 Type plate
Example:
Fan type plate character key:
ò
Manufacturer‘s address
ù
Execution:
MBD = Type name; three-phase current
280 = Size
/6 = Pole
Ex = Unit manufactured according to 2014/34/EU (ATEX)
ä
Reference number
ë
Serial number
ö
Explosion-proof fan marking:
CE = CE mark
II 2G
= Product category
Ex h = Fan mechanical ignition protection type / structural safety
IIB = Explosion subgroup
T3 = Temperature class
Motor ignition protection type
= Classification
ü
Production code/Year of manufacture
Ref. no., SNR (serial number) and PC (production code) number clearly identify the fan.
6 .2 Motor type plate
A copy of the motor type plate is located next to the fan type plate .
Technical data is shown on the motor type plate.
6 .3 Accessories for explosion-proof fans
Information on explosion-proof accessories can be found on the internet, main catalogue or sales documentation.
HELIOS VENTILATOREN
Lupfenstr. 8
78056 Villingen-Schwenningen Germany
Art.Nr.: 6016/020
MBD 280/6 EX
SNR: 123456/ 011
II 2G c IIB T3
Motor : II 2G Ex e II
PC 23114
Herstelljahr 2013
Fig .9
10
MegaBox MB  – Centrifugal fans
Installation and Operating Instructions
CHAPTER 7
WIRING DIAGRAM
OVERVIEW
MB EX-TYPES
SS-498
MBD 280/6 Ex
MBD 280/4 Ex
Three-phase motor without TK
SS-470
MBD 160/4 Ex
MBD 160/2 Ex
MBD 180/4 Ex
MBD 200/4 Ex
MBD 225/4 Ex
MBD 250/4 Ex
Three-phase motor without TK
U1/V1/W1 /PE
CHAPTER 6
TECHNICAL DATA
EN
ò
ù
ä
ë
ü
ö
SS-470
U1/V1/W1 /PE
Drehstrommotor
ohne TK
3 ph. motor
without thermal contact
Moteur triphasé sans
thermocontacts
Ex h