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ABB · ABB ES / B / A contactor (DIN rail)
2CSM211000R0721 is an ABB contactor with Rated current Ie Up to 63 A (AC-1); Coil voltage 24 V DC / 230 V AC (order-code dependent); Number of poles 2P / 4P / 4NO+NC (variant). It is used in motor starters, pump control panels, HVAC contactor banks where the installed unit is matched to the original catalog number and a compact, documented part is required.
| Electrical | |
| Rated current Ie | Up to 63 A (AC-1) |
|---|---|
| Rated operational voltage | <= 690 V AC |
| Rated insulation voltage Ui | 690 V (IEC 60947-4-1) |
| Rated impulse withstand Uimp | 6 kV (IEC 60947-4-1) |
| Coil voltage | 24 V DC / 230 V AC (order-code dependent) |
| Number of poles | 2P / 4P / 4NO+NC (variant) |
| I/O and communication | |
| Communication ports | Modbus, PROFINET, Ethernet |
| Mechanical | |
| Mounting | 35 mm DIN rail (IEC 60715) |
| Enclosure rating | IP20 (IEC 60529) |
| Environment and compliance | |
| Operating temperature | -25...+60 °C |
| Certifications | CE, UL, CSA, CCC |
Values follow the ABB ABB ES / B / A contactor (DIN rail) specification for this catalog number; parameters not confirmed for this variant are omitted rather than estimated.
| ABB ABB ES / B / A contactor (DIN rail) variants | |||
| Catalog number | Coil voltage | Rated current Ie | Number of poles |
|---|---|---|---|
| 2CSM211000R0721 (this page) | 24 V DC / 230 V AC (order-code dependent) | Up to 63 A (AC-1) | 2P / 4P / 4NO+NC (variant) |
| 2CSM204693R1801 | 24 V DC / 230 V AC (order-code dependent) | Up to 63 A (AC-1) | 2P / 4P / 4NO+NC (variant) |
| 2CSM204713R1801 | 24 V DC / 230 V AC (order-code dependent) | Up to 63 A (AC-1) | 2P / 4P / 4NO+NC (variant) |
| 2CSM110000R0711 | 24 V DC / 230 V AC (order-code dependent) | Up to 63 A (AC-1) | 2P / 4P / 4NO+NC (variant) |
All variants share the same ABB ES / B / A contactor (DIN rail) footprint and terminal layout; the columns above show where they differ. Selecting a different catalog number changes the electrical interface, not the mounting.
The 2CSM211000R0721 is the device-level element in an ABB contactor installation. It receives the field signals and control supply listed above — <= 690 V AC — and switches or conditions the load within the Up to 63 A (AC-1) ratings shown in the Specifications table. Wiring and protective devices are sized to those same numbers, not to a generic assumption.
Typical installations place it in motor starters, pump control panels, HVAC contactor banks, where the unit is matched to the original catalog number and the enclosure provides 35 mm DIN rail (IEC 60715) support. Record the catalog number and revision from the nameplate of the installed unit before specifying a like-for-like spare.
Q.What supply does this device require?
It requires <= 690 V AC. Size the supply source to the same rating shown in the Specifications table.
Q.What are the key electrical ratings?
The confirmed ratings include Up to 63 A (AC-1) and CE, UL, CSA, CCC marking. Cross-check them against the installed unit's nameplate.
Q.How is this device mounted?
It mounts by 35 mm DIN rail (IEC 60715). Confirm the cutout or rail before ordering a like-for-like spare.
Q.What is the operating temperature range?
The confirmed operating range is -25...+60 °C. Panels running beyond it need derated sizing.
Q.What replaces a unit that is no longer in production?
For a like-for-like spare, record the catalog number and revision from the nameplate; a current-production equivalent is identified by matching function and ratings.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
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Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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