Example Of The Suitability Of An Overload Relay; Dimensions; Approvals And Authorizations - ABB MS 325 Instrucciones De Servicio

E
Example of the suitability of a selected manual
motor starter:
The motor with increased security has the following data
(normal starting up):
Output = 7.5 kW
I /I = 7.4
A N
t -Time = 11 seconds
E
Tripping curve downwards, the tripping time is lower
than the t -time of the motor.
E
s
[ ]
40
20
11
10
6
4
3
2
1
3 4
Multiple of setting current

Approvals and authorizations

Approvals
UL CSA
USA Canada
■ ■
■ Approval available; rating plates carry the test symbol, if sign obligation exists.
10
2CDC 131 005 M5703
Power manual motor starter MS 325
According to IEC/EN 60 ... 947-1/-4-1/-5-1 for low-voltage switchgear,
Directive 94/9/EG for explosion-protected areas,
EN 60079-14 for electrical equipment for gas explosion endangered areas
EN 50281-1 for electrical equipment for dust explosion endangered area
7 8
5
6
7.4
Ship classification companies
Phys.-Techn.
Bundesanstalt
PTB
EEx ''e''
Germany Germany
■

Dimensions

GL LRS
Great Britain
■ ■
BV DNV
France Norway
■ ■
ABB STOTZ-KONTAKT