Siemens SIMATIC EM 300, Manual

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Product Overview
SIMATIC - EM 300 Motor Starters
1-2
GWA-4NEB 640070302-05
1.1 What are the Motor Starters EM 300 DS and EM 300 RS?
Motor starters EM 300 DS/RS
Motor starters EM 300 DS and EM 300 RS are electromechanical motor star-
ters, that can be used on the ET 200X distributed I/O device as expansion
module. Up to six motor starters EM 300 can be added to the basic module.
Characteristics
The motor starters EM 300 DS/RS:
• Are suitable for switching and protecting any three-phase loads up to 5.5 kW
with 400 V AC.
• Are available as either direct starters (EM 300 EDS) or reversing starters
(EM 300 ERS) with adjustment ranges from 0.14 to 0.2 A and 9 to 12 A
respectively.
• Can be equipped with a 24 V DC, max. 3 A, or 500 V DC, max. 0,2 A, braking
contact as an option.
View
The diagram below shows the components of a motor starter EM 300 DS/RS.
Interlock
DC24V
STATE
Power connector
for feeding
– load supply voltage
– braking voltage (on
versions with a 24 V
DC braking contact)
Circuit-breaker
– Scale for current setting
– Toggle switch
– Test opening
LEDs
– Auxiliary power
– State
Power socket
for connecting
– load
– brake
Power socket
for looping through
– load supply voltage
– braking voltage (on
versions with a 24 V
DC braking contact)
Transparent cover,
open
SUB-D
(for hand-held
controller only!)