Dynacord DEM 313 - Manual (Page 11)

9. Approvals and standards
- The charging units correspond to the following standards:
EN 55014-2 Immunity requirements for household appliances, electric tools and similar electrical
appliances
EN 50082-1 Basic standard for interference rejection; living area, business areas as well as small
enterprises
EN 60065 Safety requirements for mains-operated electronic appliances and related accessories
for house hold use and similar general application
EN 60742 Regulations for isolation transformers and safety transformers
10. Specifications DEM 313
Mains voltage 230 V +10%/-15 % 50-60 Hz
internally solderable to 115 V +10%/-15 % 50-60 Hz
Safety class I
Rated output voltage 24 V
Voltage adjustment for
battery charging 2.275 V/cell 27.3 V
Tolerance of the output voltage at 20
°
C ± 0.37 %
Temperature coefficient of the charging voltage -40 mV/
°
C
Ripple at nominal operation
≤
0.1%
Static mains control
at input deviations of +l 0% -15 %
≤
0.05%
Nominal charging current 4 A
Current limitation approx. 4 A
Standby current at power failure 110 mA
Switching frequency 88 kHz ±l0%
Efficiency approx. 83 %
Failure detection OVERVOLTAGE
≥
29.6 V
Failure detection at battery LOW VOLTAGE
≤
25.5 V operation mode charging
Failure detection at battery LOW VOLTAGE
≤
22.0 V operation mode discharging
Failure detection at mains low voltage LINE VOLTAGE 165 V ±15% for 230 V ac operation
Failure detection at mains low voltage LINE VOLTAGE 83.5 V ±15% for 115 V ac operation
Switch-off at BATTERY VOLTAGE
≤
19.5 V
Failure detection at CHARGE CURRENT
≤
20 rrA
Operating temperature range +5
″
C + 40
″
C
Storage temperature -40
″
C+ 70
″
C
Dimensions W x H x D 483 x 88 x 335 mm
Mounting depth without connectors 300 mm
Mounting depth with connectorsmax. 350 mm
Weight 4.4 kg
Retrofitting kit for DEM 313: Art.No
NRS 90200 temperature sensor 121950
23