3RT1900-1SB20

Article No.

6AG1 961-3BA21-4AX0

6AG1 961-3BA21-7AX0

Article No. based on

6EP1В 961-3BA21

6EP1В 961-3BA21

Ambient temperature range

0В ...В +60В В°C

-40В ...В +70В В°C

Conformal coating

Coating of the printed circuit boards and the electronic components

Technical specifications

The technical data of the standard product applies except for the ambient conditions.

Ambient conditions

Relative humidity

100%, condensation/frost permitted. No commissioning in bedewed state.

Biologically active substances, compliance with EN 60721-3-3

Class 3B2 mold and fungal spores (excluding fauna). The supplied plug covers must remain in place over the unused interfaces during operation!

Chemically active substances, compliance with EN 60721-3-3

Class 3C4 incl. salt spray in accordance with EN60068-2-52 (degree of severity 3). The supplied plug covers must remain in place over the unused interfaces during operation!

Mechanically active substances, compliance with EN 60721-3-3

Class 3S4 incl. sand, dust. The supplied plug covers must remain in place over the unused interfaces during operation!

Air pressure (depending on the highest positive temperature range specified)

1 080В ...В 795В hPa (-1 000В ...В +2 000В m)
see ambient temperature range

795В ...В 658В hPa (+2000В ...В +3500В m)
derating 10В K

658В ...В 540В hPa (+3500В ...В +5000В m)
derating 20В K