ABB 2CSR256040R1104 installation dossier

ABB 2CSR256040R1104 is a 3P+N residual-current breaker with overcurrent protection in the DS203NC three-phase RCBOs group. The shared category image is a reference, not proof of the exact supplied unit.

For ABB 2CSR256040R1104, the order code and verified manufacturer description establish the article. Circuit ratings and compatibility must also match the installed equipment.

Technical identification and installation limits

03 | Purchase with evidence

Put ABB 2CSR256040R1104 in full on the purchase line. Attach a photograph of the installed nameplate and the approved drawing revision.

Before dispatch, confirm ABB 2CSR256040R1104 packaging, revision and supplied accessories. A supplier's generic family photo cannot verify the selected variant.

01 | Identify the circuit

Locate ABB 2CSR256040R1104 on the approved single-line, control or service drawing. Record what the part is expected to protect the specified three-phase circuit.

For ABB 2CSR256040R1104, note the real host equipment and duty. A related order code can have a different current, supply, contact layout, kit count or physical fit.

02 | Resolve the interface

Compare rated current, residual type, neutral and feeder scheme for ABB 2CSR256040R1104. Include termination details, adjacent devices, protective clearances and the intended operating state.

If ABB 2CSR256040R1104 is being proposed as a replacement, obtain a written comparison of the old and new designations. Do not rely on the manufacturer prefix alone.

04 | Prepare safe access

Isolate every relevant source before handling ABB 2CSR256040R1104. Capacitors, power semiconductors, control feeds and connected loads may retain hazardous energy.

Follow ABB and site safety procedures for ABB 2CSR256040R1104; confirm the required safe state and document original wiring, polarity, settings and mechanical orientation.

05 | Install and prove

Mount ABB 2CSR256040R1104 only in its approved host and restore all covers, bonding and terminal clearances. Then prove correct trip and all-pole behavior.

Record measured results for ABB 2CSR256040R1104, including normal and fault-state behavior. A lit indicator or a cleared alarm alone is not a complete acceptance test.

06 | Close the maintenance record

Keep ABB 2CSR256040R1104 serial or revision information, delivery label and the as-left drawing with the equipment history.

If ABB 2CSR256040R1104 has any variant boundary, carry that note into the spare-parts register so later purchases do not silently substitute another code.

Variant codes covered on this representative page

The following ABB codes are associated with ABB 2CSR256040R1104 on this page, not published as separate pages. They are not automatic substitutes; check the full designation and the affected duty before ordering.

• 2CSR256040R1164
• 2CSR256140R1164

Order closeout

For ABB 2CSR256040R1104, retain the approved order identity, delivery check and commissioning record.

Future ABB 2CSR256040R1104 enquiries should include the original host and circuit constraints.