KROHNE GA 24 EN - Manual (Page 12)

4
ELECTRICAL CONNECTIONS
12
GA24
www.krohne.com 02/2011 - 4001229901 MA GA24 R01 en
Electrical connections
4.1 Safety instructions
4.2 Limit switches GA24
The flowmeters GA24 can be equipped with a maximum of two bistable limit switches.
Bistable function: Stable switching when passing through the switching point
Use, selection and function - see Technical Data
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
Figure 4-1: Types of limit switch
1 MS 14/I - floating, bistable reed contact
2 TG21 - bistable, with integrated switching lug and slotted proximity switch
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