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DO821 3BSE013250R1

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ABB DO821 is an 8-channel normally closed relay output module for S800 I/O.
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Technical specifications for DO821 3BSE013250R1

  • Manufacturer:
    ABB
  • Part Number:
    DO821 3BSE013250R1
  • Product Family:
    ABB Advant OCS and Advant-800xA
  • Product Type:
    Digital Output Module
  • Stock:
    1
  • Number of Channels:
    8
  • Output Type:
    Normally closed relay
  • Contact Voltage:
    230 VAC/DC (5–250 VAC/DC)
  • Contact Current:
    3 A
  • Rated Insulation Voltage:
    250 V
  • Isolation:
    Individual galvanic isolation
  • Weight:
    0.23 kg
  • Estimated shipping dimensions:
    4.5 × 10.2 × 11.9 cm
  • Tariff Code:
    85389099
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Relay Data Channel Isolation MTU Compatibility

Features:

  • 8 normally closed relay output channels
  • 230 VAC/DC nominal service with a 5–250 VAC/DC operating range
  • 3 A maximum continuous contact current
ABB DO821 3BSE013250R1 provides individually isolated relay contacts for switching AC or DC field circuits in an S800 I/O station. The normally closed contact arrangement must be matched to the required fail-state and load duty.

Before ordering, confirm the connected voltage, contact current and installed MTU. ABB lists TU811, TU813, TU831, TU836, TU837 and TU851 for this relay module.

For DO821 3BSE013250R1, confirm current availability, the complete ABB article number, and the installed S800 I/O arrangement during quotation.
ABB DO821 3BSE013250R1 Digital Output Module Specs

General

  • Manufacturer ABB
  • Model DO821 3BSE013250R1
  • Condition New Original ready stock
  • Product Family S800 I/O

8 normally closed relay output channels. Rated voltage: 230 VAC/DC. Operating range: 5–250 VAC/DC. Maximum continuous contact current: 3 A.

  • Each output channel is galvanically isolated.
  • Individual isolation separates the relay field circuits.
  • Confirm the connected load is within the stated contact ratings.
  • Compatible MTUs listed by ABB: TU811, TU813, TU831, TU836, TU837 and TU851.
  • Match the installed MTU and complete article number before replacement.
  • Check the field wiring and contact duty before commissioning.
Description

ABB DO821 3BSE013250R1 is an eight-channel normally closed relay output module for the S800 I/O system.

The module is rated for 230 VAC/DC relay service with an ABB-specified operating range of 5–250 VAC/DC and a maximum continuous output current of 3 A. Each channel is individually galvanically isolated.

Compatible module termination units are TU811, TU813, TU831, TU836, TU837, and TU851. Confirm the complete article number, contact duty, and installed MTU before replacement.

Alternative Names
DO821 3BSE013250R1 DO 821 3BSE013250R1 DO-821 3BSE013250R1 DO8213BSE013250R1 DO821 3BSE013250R1 ABB DO821 ABB DO821 S800 I/O Module
Technical notes
DO821 3BSE013250R1 provides eight individually isolated normally closed relay outputs rated for 230 VAC/DC operation within a 5–250 VAC/DC range and up to 3 A. Verify contact duty and MTU compatibility before replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of ABB DO821 3BSE013250R1?
It switches AC or DC field circuits through eight normally closed relay output channels in an ABB S800 I/O station.
How many channels and what signal level does DO821 provide?
DO821 provides eight normally closed relay outputs rated for 230 VAC/DC operation within a 5–250 VAC/DC range, with a maximum continuous output current of 3 A.
How are the DO821 channels isolated?
Each relay output channel is individually galvanically isolated.
Which MTUs are compatible with ABB DO821?
ABB lists TU811, TU813, TU831, TU836, TU837 and TU851.
What should be checked before replacing DO821 3BSE013250R1?
Verify the complete article number, signal level, installed MTU, and S800 I/O system configuration before replacement.
What is the current OEM lifecycle status of DO821?
A single current OEM lifecycle classification is not stated in the available ABB documentation; availability is confirmed during quotation.
How can I request DO821 3BSE013250R1 documentation and pricing?
Contact Apter Power with the complete model, required quantity, and system details to request documents, price, and availability.