Accessories And Options; Type Name; Operating Conditions; Transport And Storage - Baelz Automatic BA 375-E42 Operating Instructions Manual

Motorized Rotary Actuator

3.2 Accessories and options

Two additional limit switches for signalling end positions or intermediate positions, freely adjustable,
2EZ-Fg
max. 250 V AC, rating for resistive load max. 10 A, for inductive load max. 5 A
Fg5k
5 kΩ potentiometer, linearity error ≤ 0.5%, max. 1.5 W, contact current 30 mA
Digital positioner for actuator control, self adapting
1 input signal: 0(2)...10 V, 0(4)...20 mA or (3-point)
7020A
2 output signals: 0(2)...10 V and 0(4)...20 mA
1 digital input, 2 relays for feedback on end or intermediate positions,
Interface RS485 Modbus RTU, incl. 5 kΩ potentiometer
Heating resistor with thermoswitch against moisture with automatic temperature regulation,
Hzg
max. 15 Watts

3.1 Type name

baelz 375
motorized rotary actuator

2.3 Operating conditions

In case of extreme variations in ambient temperature and high humidity levels, installation of a
heating resistor is recommended to minimise condensation in the actuator.
Actuator covers with suppression of thermal bridges (dual covers) are recommended.
● Connect the heater (HZG) as shown in the wiring diagram.
● Put the device into service as soon as it is installed.
The actuators are suitable for installation in industrial plants and in waterworks and power
plants with a low pollutant concentration.
For use outdoors or in an environment with a high pollutant concentration, such as heavy traffic
areas, industrial areas (chemical plants, sewage plants, etc.), coastal areas and the open sea,
the actuators must have external parts made of non-corrosive material and must be provided
with a special coating.
When used outdoors, the actuator must be protected with an additional cover against
● rain
● direct sunlight
● strong draughts
● dust

3. TRANSPORT AND STORAGE

Risk of injury caused by failure to observe safety regulations!
Caution
● Wear the required personal and other protective equipment.
● Protect the rotary actuator from impact, shock, vibration and similar influences.
● Store the rotary actuator (or the complete actuator/valve assembly) in a dry place.
● Observe the transport and storage temperature limits of -20 to +60°C.
W. Baelz & Sohn GmbH & Co. · Koepffstrasse 5 · 74076 Heilbronn · Germany · www.baelz.de
Table 2. Options for Actuators
- E42 - 150Nm
actuator type torque
- 60s
positioning time for 90°
baelz 375-E42
- 230V
supply
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