Electrical installation
User manual 58185_TREE M4/6-TX PN IP20_hdb_en_10
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7
Electrical installation
7.1
Power supply connection
WARNING!
High electrical voltages!
Death or serious injuries due to electric shock.
Due to a defect in a power supply unit, voltages on touchable components may
reach 120 V DC or 50 V AC and higher.
Use only a power supply unit which allows max. 60 V DC or 25 V AC in
case of a fault. It must comply with SELV or PELV.
NOTICE
The switches contain a reverse polarity protection system.
The function is not guaranteed if the device reverse polarity protection circuit
is defective and the device is connected with incorrect polarity.
Connect the power supply with the correct polarity.
Lines that can be used
U: 24 V DC
Cross-section: 0.2 ... 2.5 mm
2
(AWG 24 ... 12)
Stripping length: 10 mm
NOTE
Min. temperature rating of the cable to be connected to the field wiring termi-
nals: 60 °C
TREE M-4TX PN
art. no. 58185
Power supply
Connecting the power supply to the TREE M-4TX PN
1 |
Remove the insulation at the ends of the line to leave a length of 10 mm
exposed. This will guarantee a secure contact.
2 |
Connect the lines.
Fig. 7-1: Power supply
UB1 : +24 V SELV
0V
: 0 V
UB2 : +24 V SELV
0V
: 0 V
0V
UB2
0V
UB1
