Table of contents
Safety instructions .............................................. 7
Technical data .................................................... 8
General description ............................................ 9
Transport, storage .............................................. 9
Installation .......................................................... 9
Operation ........................................................... 9
Commissioning ................................................... 9
Example of the suitability of an overload relay . 10
Dimensions ...................................................... 10
Approvals and authorizations ........................... 10
Tripping characteristics .................................... 31
Operating instructions
Low-voltage switchgear
Power manual motor starter
MS 325
According to IEC/EN 60 ... 947-1/-4-1/-2-1 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
¦
Type MS 325 ABB manual motor starters
are suitable for the protection of motors of
the protective system EEx e. It has been
checked and certified by the Physikalisch
Technische Bundesanstalt (PTB) in Braun-
schweig.
¦
Mounting and installation may only be done
by trained technical personnel, who observe
the relevant regulations!
¦
Insufficiently tightened locking screws lead
to an inadmissible rise in temperature!
¦
A triggered device may only be restarted
after elimination of the cause of failure by
trained technical personnel.
¦
The device may only be opened by technical
personnel authorized by the manufacturer.
Non-observance results in the expiry of all
warranty claims!
Safety instructions
E
II
(2) GD
7
