Contemporary Control Systems BACnet Cube I/O NG-4 Gray User Manual
Power supply ng4

METZ CONNECT GmbH
Im Tal 2 | 78176 Blumberg | Germany | Phone +49 7702 533-0 | Fax +49 7702 533-433
Mounting instruction see www.metz-connect.com
1. Description
The NG4 power supply supplies regulated direct voltages for
supplying power to the respective devices of the product family of I/O
components. The device supplies regulated direct voltage 24 V DC at
a power of 16 watts. A parallel operation of several power supply units
is not allowed. The secondary voltage can only be tapped at the right
side of the plug connector and at the screw-type terminals on the top
of the module. The bus communication is looped through on both
sides of the plug connectors.
8038/899243-01
Power Supply
NG4
110561-01
3. Technical Data
Input
Operating voltage
110 - 240 V AC, 50 - 60 Hz
Internal fuse
T1AL/250 V soldered fuse
Output
Output voltage DC
+24 V (SELV)
Output current (max)
700 mA
Output power
16 W
Load and control accuracy ±3% (Tu = 20 °C)
Protection and monitoring
Continuous short
circuit protection
yes
Idle test
yes
Mains failure backup
> 40 ms at 230 V AC and full load
Dielectric strength
4000 V AC input/output
Device security
Standard
Conformity was proofed.
The declaration of conformity is available
at the manufacturer BTR NETCOM GmbH.
Output
Safety Extra Low Voltage (SELV)
according EN 60950
Protection class
2
EMV
CE conformity
Emitted interference/
Immunity to interference the device was tested according to the
applicable standards; conformity was
proofed, the declaration of conformity
is available at BTR NETCOM
Contacting
Primary and secondary
screw type terminal blocks
Cover no
Type of protection
IP20 (nach EN 60529)
Wire cross section
1.5 mm
2
Housing
Dimensions WxHxD
1.968 x 2.756 x 2.559 in.
50 x 70 x 65 mm)
Front dimension
1.772 in. / 45 mm
Weight
108 g
Mounting position
any
Mounting
standard rail TH35 per IEC 60715
Material
Housing
Polyamide 6.6 V0
Terminal blocks
Polyamide 6.6 V0
Cover plate
PolycarbonateB
Mounting in series
without space
Type of protection
(IEC 60529)
Housing
IP40
Terminal blocks
IP20
Terminal blocks
Wire cross section
max. AWG 12 (4.0 mm²) solid wire
max. AWG 14 (2.5 mm²) stranded wire
Wire diameter
min. 0.3 mm up to max 2.7 mm
Temperature range
Operation
-10 °C to +55 °C
Storage
-25 °C to +85 °C
4. Connection Diagram
+24V
L
N
L N
Operating voltage
110 - 240 V AC
1 A
+24V
Output voltage
24 V DC
0,7 A
+24V
+24V
A- B+
L
N
⊥ ⊥ ⊥
5. Wiring Diagram
2. Important Notes
Declaration of Conformity
The device was tested according to the applicable standards. Confor-
mity was proofed. The declaration of conformity is available at the
manufacturer BTR NETCOM GmbH.
Notes Regarding Device Description
These instructions include indications for use and mounting of the
device. In case of questions that cannot be answered with these in-
structions please consult supplier or manufacturer.
The indicated installation directions or rules are applicable to the
Federal Republic of Germany. If the device is used in other countries it
applies to the equipment installer or the user to meet the
national directions.
Safety Instructions
Keep the applicable directions for industrial safety and prevention of
accidents as well as the VDE rules.
Technicians and/or installers are informed that they have to
electrically discharge themselves as prescribed before installation or
maintenance of the devices.
Only qualified personnel shall do mounting and installation work with
the devices, see section “qualified personnel”.
The information of these instructions have to be read and understood
by every person using this device.
Symbols
Warning of dangerous electrical voltage
Danger
means that non-observance may cause risk of life,
grievous bodily harm or heavy material damage.
Qualified Personnel
Qualified personnel in the sense of these instructions are persons who
are well versed in the use and installation of such devices and whose
professional qualification meets the requirements of their work.
This includes for example:
• Qualification to connect the device according to the VDE
specifications and the local regulations and a qualification to put
this device into operation, to power it down or to activate it by
respecting the internal directions.
• Knowledge of safety rules.
• Knowledge about application and use of the device within the
equipment system etc.