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2/6 ABB MOTOR PROTECTION AND CONTROL

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Application examples

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MOTOR PROTECTION STARTER PROTECTION CIRCUIT PROTECTION AND
CONTROL
No matter what type of starter is re- MO (magnetic-only) manual motor ABB’s manual motor starters are
quired by the application (direct-on- starters are fuseless circuit breakers (approved
line, star-delta, soft starter or variable typically used, when motor overload acc. to IEC60947-2) that can be used to
frequency drive), MS and MO manual protection is provided by a separate control circuits and protect cables /
motor starters (also known as motor overload protection device. lines in industrial and commercial
protection circuit breakers or manual This setup is specially beneficial for applications from overloads and short-
motor protectors) are the right protec- applications that require auto- or circuits. The built-in disconnect
tion devices for electric motors from remote-reset of the starter in case of function allows the usage as main On-/
100 mA up to 100 A. an overload tripping event (e.g. Off-switch, typically for de-centralized
windmills or HVAC fans).
applications (e.g. small machinery or
laboratory systems).

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RESISTIVE LOADS DC LOADS EXTREME CONDITIONS

Manual motor starters are not only for Manual motor starters are not only for Regardless if high-altitudes, shock and
motors! They are also an efficient solu- AC applications! vibration environments or hazardous
tion for AC-1 applications, where it is MS132 and MS165 manual motor start- areas, ABB’s manual motor starters are
required to protect and switch resis- ers are also rated for direct current designed and certified to withstand
tive loads (for example resistive fur- loads (e.g. for motors used in solar harsh conditions. Specific versions for
naces or heaters). panel tracking systems). rolling stock applications are part of
our offer.