To Next Page

To Previous Page

IRDH275_D00122_02_M_XXEN/10.2016

8. Technical data IRDH275(B)

8.1 Data in tabular form

The values marked with * are absolute values

Insulation coordination acc. to IEC 60664-1

Rated voltage.....................................................................................................................................................AC 800 V

Rated impulse voltage/pollution degree............................................................................................................8 kV / 3

Voltage ranges

IRDH275....:

Nominal voltage range U

..................................................................................................1AC / 3 (N) AC 0…793 V*

Nominal frequency f

(for f < 50 Hz see characteristic curve on page 79) ............................................ 0,1…460 Hz

Nominal voltage range U

...................................................................................................................... DC 0…650 V*

IRDH275….-435:

Supply voltage U

(see nameplate).......................................................................................................AC 88…264 V*

Frequency range U

................................................................................................................................... 42…460 Hz

Supply voltage U

(see nameplate)...................................................................................................... DC 77…286 V*

IRDH….-427:

Supply voltage U

(see nameplate)..................................................................................................... DC 19.2…72 V*

IRDH275….:

Power consumption .......................................................................................................................................... ≤ 14 VA

Response values

Response value R

an1

(Alarm 1) ................................................................................................................1 kΩ…10 MΩ

Response value R

an2

(Alarm 2) ................................................................................................................1 kΩ…10 MΩ

Relative uncertainty (20 kΩ…1 MΩ) (acc. to IEC 61557-8:2007-01) ............................................................. ±15 %

Relative uncertainty (1 kΩ…20 kΩ)....................................................................................................+2 kΩ / +20 %

Relative uncertainty (1 MΩ…10 MΩ).............................................................................................. 0,2 MΩ / +20 %

Response time t

at R

= 0.5 x R

and C

= 1 μF.............................................................................................. ≤ 5 s

Measuring time.......................................................................................................................... see characteristic curve

Hysteresis (1 kΩ…10 kΩ) ................................................................................................................................... +2 kΩ

Hysteresis (10 kΩ…10 MΩ)................................................................................................................................. 25 %