CCS800 | Service manual | Chapter 4 | Technical data en | 17
Bosch Security Systems | 2005-01| 3922 880 21112
4 Technical data
4.1 Power supply
Specification
Type of power supply: 40W single output, universal input switching power supply
Mains input voltages:
90 .. 264Vac
Input frequency range: 47 .. 63Hz
Max. input current : 0.9A at 100Vac or 0.3A at 240Vac
Nominal output voltage: 24Vdc
Rated output load: 1.7A
Dimensions: 125mm x 75mm
Danger
Heat sink is electrical connected to live of mains input depending on polarity!
4.1.1 Additional technical specification for test environment:
Load range
Output Min. load Rated load Peak load Voltage
accuracy
+24V 0A 1.7A 2.5A 24 ±0.6V
For a practical load test, connect e.g. a resistor of 15 Ohm (min. 40W) between the terminals +24V and GND.
Line regulation
Line input Load Regulation
Input change 90 .. 264Vac 1.7A < ±1%
Ripple and noise
Output Test Conditions
24V with 1.7A load <1% p-p (rated load) Oscilloscope with 15Mhz limited
bandwidth
AC input pin assignment K1 1 — 3
L N
Line Neutral
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