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Dynacord DEM 313 User Manual

Page 11

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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