6881721 TURCK | Alldatasheet
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Edition • 2023-07-21T16:20:17+02:00 excom I/O System Power Supply Module, 24 VDC, Zone 1 PSD24EX The PSD24Ex module supplies the excom® system with power to the full extension. The module rack is designed in a combined pro- tection rating of Ex m, Ex e and Ex i and can therefore be used in zone 1. It is also fully potted and installed in a die-cast aluminium frame. Powered with 24 VDC. The external power supply is hooked up to Ex e clamps at the module rack. These clamps located under a closure cap must not be plugged or un- plugged under power. Interventions are only allowed after switching off the respective sup- ply voltage. Redundancy: Two power supply units can be installed in combination with a suitable module rack. In case of power cut or failure of one device, the second unit provides the power for the whole system. Different potentials can be supplied. ■ DC power supply module, supplies a fully assembled module rack in zone 1
Edition • 2023-07-21T16:20:17+02:00 Type PSD24EX ID 6881721 Nominal voltage 24 VDC Operating voltage 19.2…32 VDC Power consumption ð 66.5 W Output power ð 60 W Galvanic isolation Galvanically isolated input and output circuit, rated voltage 60 V Ex approval acc. to conformity certificate IECEx PTB 13.0039 Ex approval acc. to conformity certificate PTB 00 ATEX 2193 Device designation É II 2 G Ex e mb [ib Gb] IIC T4 Gb Displays/Operating elements Operational readiness 1 × green Supply voltage 1 × green Electrical connection Via module rack Terminal cross-section 2.5 mm² flexible/4.0 mm² rigid Housing material Aluminium Connection mode Flange, 4 x M4 screws Protection class IP50 Ambient temperature -20…+70 °C Relative humidity ð 93 % at 40 °C acc. to IEC 60068-2-78 Vibration test Acc. to IEC 60068-2-6 Shock test Acc. to IEC 60068-2-27 EMC Acc. to EN 61326-1 Acc. to Namur NE21 MTTF 78 years acc. to SN 29500 (Ed. 99) 40 °C Dimensions 45 x 155 x 106 mm Approvals ATEX cFMus cFM IECEx CCC INMETRO KOSHA EAC Ex DNV GL BV LR KR KCC UKCA CE Dimensions