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Motorized Rotary Actuator baelz 375-E42
1.7 Motorized rotary actuator
Thebaelz373-E42isamotorizedrotaryactuatorforowcontrolapplicationsrequiringa90°
rotation,suchasthoseusingdrivebutteryvalvesorballvalves.Theactuatorsaredesigned
for highly accurate positioning in an industrial environment. Manual adjustment can be carried
one-handed and without use of a clutch. The travel-dependent and/or torque-dependent limit
switchescanbeindividuallycongured.
Eachactuatorhasanameplateshowingspecicationsregardingthemaximumoperating
conditionsofthedeviceandaunique,order-relatedserialnumber(Fno.).
Fig. 1: Baelz nameplate for motorized actuators
2. PRODUCT DESCRIPTION
2.1 Identication
2.2 Technical Specications
Table 1. Technical Specifications, baelz 375-E42
Torque Nm
150
Postioning time for 90° s
60(at60Hzthepositioningspeedandpowerconsumptionboth
increaseby20%)
Power consumption (230 V) VA
65
Nominal current (230 V) A
0.28
Type of motor
synchronousmotor(syn)
Motor protection
thermoswitch
Max. angle of rotation °
90
Supply voltage
230V50/60Hz±10%(othersupplyvoltagesavailableuponrequest)
Operating mode acc. to IEC 34-1
S3 - 50 % duty cycle 1200 c/h
Cable glands
1 x M20 x 1.5; 2 x blind plug M20 x 1.5
Electrical connection
internal terminal block, see wiring diagram for terminal allocation
Limit switches
2 torque dependent and 2 travel dependent switches,
max. 250 V AC, ohmic load: max. 10 A, inductive load: max. 5 A
End positions
Mechanical stops, adjustable from the outside
Fitting position
as required, but not "head down" with the actuator below the valve
Ambient temperature °C
0 to +50
Position indicator
Position indicator in the actuator cover
Manual adjustment
crank wheel
IP-rating according to EN 60529
IP 65
Connection type
DIN5211,(F04),F05,F07,F10
Weight, approx. kg
7.5