Power Supply Module
• Uninterrupted power supply for
devices with 24VDC, max. 8.4A
• Current-limited, short-circuit-
protected output
• Monitoring of battery charging and
internal resistance of the batteries
• Installation into wall-mount cabinet or
19“ housing
• Status display at the housing front
• Complies with EN 54-4:2006
Description
The Power Supply Module NTM2408-1 serves for the The battery monitoring according to EN 54-4:2006 in-
safe supply of devices, which need a nominal voltage of cludes the periodical measurement of the battery volta-
24VDC. The typical fields of application include fire de- ge under load and the internal resistance of the battery.
tection systems and extinguishing controls or any other The integrated earth leakage monitoring of the module
applications requiring a safe power supply.
The output voltage of the integrated switched-mode
can be deactivated for special applications.
power supply is current-limited and short-circuit-protec- The module is designed for installation into a power sup-
ted.
ply housing. For that purpose, three different housings
are available. At the front of the housing, seven light
The optional stand-by batteries guarantee an uninterrup- emitting diodes indicate the operation as well as pos-
ted power supply in the event of a mains power fault. sible causes of faults.
At a typical charging time of 24 hours, batteries with a By means of the integrated test function, a functional
maximum capacity of 220Ah can be charged. The inte- check can be performed and the present value of the
grated protection against total discharge and the tem- internal resistance of the battery can be read out. With
perature compensated battery charging are the basis that, the maintenance of power unit and batteries is es-
for a long battery life.
pecially easy and timesaving.
Specifications
Operating voltage
Output voltage
Output current
Ambient temperature
Relative humidity
Dimensions L × W × D
Weight
230V +10/-20%, 47 – 63Hz
typ. 27.6VDC
max. 8.4A
-5°C to +50°C
max. 95% (no condensation)
290 × 220 × 70 (mm)
1.5kg
Approvals
VdS G208125
0786-CPD-20529
0786–CPD–20529
Order number
Order name
317021
Power Supply Module NTM2408-1
Building Safety. Building Security.
A
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Power Supply Front Panel NTG24-1CE
Dimensions W × H × D
Colour
478 × 266 (6 HU) × 20 (mm) (without power supply module)
grey white, RAL 9002
Weight without installations
Order number
1.4kg
317031
Order name
Power Supply Front Panel NTG24-1CE
Power Supply Housing NTG24-2
Protection class
IP30
Dimensions W × H × D
Colour
800 × 1000 × 300 (mm)
light grey, RAL 7035
approx. 65kg
Weight without installations
Order number
317032
Order name
Power Supply Housing NTG24-2
Battery Bracket BK24-1
Dimensions W × H × D
Material
370 × 195 × 209 (mm)
steel sheet, zinc coated
1.8kg
Weight
Order number
317033
Order name
Battery Bracket BK24-1
Building Safety. Building Security.
A
© LABOR STRAUSS SICHERUNGSANLAGENBAU GMBH • A-1231 WIEN • WIEGELESTRASSE 36 • TEL +43 1 52114-0 • FAX +43 1 52114-27
NTM2408-1_DBL_LST_EN_0851.PDF • PAGE 3
OFFICE@LST.AT • WWW.LST.AT • ALL RIGHTS RESERVED
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