Datasheet
Weidmller Interface GmbH & Co. KG
INSTA
Klingenbergstrae 16
CP SNT 48W 12V 4A
D-32758 Detmold
Germany
Fon: +49 5231 14-0
Fax: +49 5231 14-2083
www.weidmueller.com
One-phase switched-mode power unit in installation housing
in performance classes 24 and 48 W. .
The INSTA power units can be universally deployed because
of their wide input range from 85 V AC to 265 V AC.
They are available with output voltages from 5 V to 48 V.
General ordering data
Order No. 8754970000
Part designation CP SNT 48W 12V 4A
Version Power supply, switch-mode power supply unit
GTIN (EAN) 4032248426126
Qty. 1 pc(s).
Creation date September 3, 2010 10:32:43 PM CEST
Last update 28.06.2010 / We reserve the right to make technical changes. 1Datasheet
Weidmller Interface GmbH & Co. KG
INSTA
Klingenbergstrae 16
CP SNT 48W 12V 4A
D-32758 Detmold
Germany
Fon: +49 5231 14-0
Fax: +49 5231 14-2083
www.weidmueller.com
Technical data
Dimensions (1)
Weight 0.2 kg Length 62.5 mm
Width 70 mm Height 90.5 mm
temperature
Ambient temperature (operational) Storage temperature -20 C...+85 C
Input
Conductor connection system Input current 500 mA at rated load @ 230
Screw connection V AC
Input current at 115 Vac 500 mA Input current at 230 Vac 500 mA
Input frequency 50/ 60 Hz Input fuse Fusible link 2.5 A (T) / 250 V
Input voltage (voltage mode input) 85...264 V AC / 110...370 V Rated control voltage 115 / 230 V AC (85...264 V
DC AC, 110...370 V DC)
making current limit Yes
output
Conductor connection system Screw connection Control at 10...100% load 1 %
Mains failure bridge-over time 11 ms @ 115 V AC / 50 ms @ Mains failure bridge-over time for 115 V AC
230 V AC 11 ms
Mains failure bridge-over time for 230 V AC 50 ms Max. capacitance at output 8000 F
Max. residual ripple 120 mV Output current
SS 4 A
Output power, max. 48 W Output voltage (adjustable via potentiometer)
Output voltage type DC Output voltage, max. 15 V
Output voltage, min. Overload protection 105 %...150 % I of max.
const
9 V output load; automatic reset
Parallel connection option Max. 3 devices (rated Surge protection
voltages are to be calibrated
at 20 mV) Varistor
General data
Ambient temperature (operational) DIN Rail compatibility TS 35
Degree of efficiency at max. load 75 % Depth 80 mm
EMC standards EN 55011 EN 55022 Installation advice For side-by-side mounting,
EN 61000-3-2,-3 EN clearance: above/below > 8
61000-6-2,-3,-4 mm
Mounting position, installation notice horizontally on terminal rail Standards EN 50178 (PELV) EN 60950
TS 35 (SELV)
Status indication Ambient temperature (operational) -10 C...+70 C (derating from
Green LED 55 C)
Insulation coordination
Humidity at operating temperature 5...95 % (indoors), Tu = 40C, electrical isolation, I/O rail
no condensation 4 kV
electrical isolation, input-earth 1.5 kV electrical isolation, input-output 3 kV
electrical isolation, output-earth 0.5 kV
Connection data
Clamping range, nom. 2.5 mm Clamping range, min. 0.5 mm
Clamping range, max. 4 mm
Creation date September 3, 2010 10:32:43 PM CEST
Last update 28.06.2010 / We reserve the right to make technical changes. 2