DO821 3BSE013250R1 Digital Output 8 Channel ABB 800xa

DO821 3BSE013250R1 Digital Output 8 channel ABB 800xa

Product Details:

The DO821 is an 8 channel 230 V a.c./d.c. relay (NC) output module for the S800 I/O. The maximum output voltage is 250 V a.c. and the

maximum continuous output current is 3 A. All outputs are individually isolated. Each output channel consists of optical isolation barrier, output

state indication LED, relay driver, relay and EMC protection components. The relay supply voltage supervision, derived from the 24 V distributed

on the ModuleBus, gives an error signal if the voltage disappears, and the Warning LED turns on. The error signal can be read via the

ModuleBus.

Features and benefits

• 8 channels for 230 V a.c./d.c. relay Normal Closed (NC) outputs
• 8 isolated channels
• Output status indicators
• OSP sets outputs to predetermined state upon error detection

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