Siemens 3-Pole contactor 80A AC-3 24VDC
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Product Description
Siemens 3RT2045-1BB40 SIRIUS 3RT2 3-pole contactor 80A AC-3 (37kW at 400V). 24VDC coil, size S3. For large pump and fan motors up to 37kW. Screw terminals. Installed in low-voltage switchgear panels, main and sub-distribution boards, motor control centres and DIN-rail consumer units.
Technical Specifications
- Material
- Thermoplastic housing, silver alloy contacts
- Temperature range
- -25°C to +55°C (ambient)
- Approval
- IEC 60947-4-1, UL, CSA
- Standards
- IEC 60947-4-1, DIN-rail
- Approvals
- UL, CSA
- HS code
- 8536.50
- Voltage
- 24 V DC
- Rated current
- 80 A
- Number of poles
- 3P
Standards & Compliance
- Material
- Thermoplastic housing, silver alloy contacts
- Temperature Range
- -25°C to +55°C (ambient)
- Classification / Approval
- IEC 60947-4-1, UL, CSA
- HS Code
- 8536.50
Compatibility & Fitment
DIN-rail mountable. Verify coil voltage (AC/DC) and AC-3 motor power rating match your application.
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-08-20. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3RT2045-1BB40?
- 3RT2045-1BB40 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 3RT2045-1BB40.
- What is the HS code for 3RT2045-1BB40?
- The customs tariff (HS) code for 3RT2045-1BB40 is 8536.50.
- Who manufactures 3RT2045-1BB40?
- 3RT2045-1BB40 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 3RT2045-1BB40?
- Yes — the 3RT2045-1BB40 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RT2045-1BB40?
- The minimum order quantity is 1.
- Is 3RT2045-1BB40 available?
- Yes — 3RT2045-1BB40 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).