CD5.243

CD-Series

DC/DC Converter 24V, 4A

The output voltage is floating and has no ohmic connection to the ground.

Type and factory tests are conducted by the manufacturer. Field tests may be conducted in the field using the

appropriate test equipment which applies the voltage with a slow ramp (2s up and 2s down). Connect all phase-

terminals together as well as all output poles before conducting the test. When testing, set the cut-off current settings

to the value in the table below.

Fig. 16-1 Dielectric strength

A

B

C

Type test

60s

1500Vac

1500Vac

500Vac

Factory test

5s

1500Vac

1500Vac

500Vac

Field test

5s

1000Vac

1000Vac

500Vac

Cut-off current setting

> 30mA

> 30mA

> 12mA

A

C

B

+

Input

Chassis

ground

Output

-

+

-

To fulfill the PELV requirements according to EN60204-1 § 6.4.1, we

recommend that either the + pole, the – pole or any other part of

the output circuit shall be connected to the protective earth

system. This helps to avoid situations in which a load starts

unexpectedly or can not be switched off when unnoticed earth

faults occur.

Mar. 2016 / Rev. 1.3 DS-CD5.243-EN

All parameters are specified at 24V, 4A, 12Vdc input voltage, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.

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