Siemens Contactor, AC3: 37KW/400V, 1NO+1NC, 20-33VAC/DC, 3-Pole, 3NO 3RT20451NB30
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Product Description
Siemens 3RT20451NB30 Contactor, AC3: 37kW/400V, 1NO+1NC, 20-33VAC/DC, 3-pole, 3NO.
Technical Specifications
- Manufacturer part number (MPN)
- 3RT20451NB30
- EAN / GTIN
- 4047621024769
- HS code
- 8536.90
- Sales unit
- pcs
- Power
- 37 kW
- Number of poles
- 3P
- Contact configuration
- 1 NO + 1 NC
- Width
- 70 mm
- Height
- 140 mm
- Depth
- 152 mm
- Rated operation power at AC-3, 400 V
- 37 kW
- Number of normally open contacts as main contact
- 3
- Number of auxiliary contacts as normally open contact
- 1
- Number of auxiliary contacts as normally closed contact
- 1
- Rated operation current Ie at AC-3, 400 V
- 80 A
- Rated operation current Ie at AC-1, 400 V
- 125 A
- Type of electrical connection of main circuit
- Screw connection
- Voltage type for actuating
- AC/DC
- Rated operation current Ie at AC-4, 400 V
- 66 A
- Rated operation power at AC-4, 400 V
- 37 kW
- Rated operation power NEMA
- 60 kW
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 4047621024769
- SAP 1000801676
- Code 81642879
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3RT20451NB30?
- 3RT20451NB30 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 3RT20451NB30.
- What is the HS code for 3RT20451NB30?
- The customs tariff (HS) code for 3RT20451NB30 is 8536.90.
- Who manufactures 3RT20451NB30?
- 3RT20451NB30 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 3RT20451NB30?
- Yes — the 3RT20451NB30 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RT20451NB30?
- The minimum order quantity is 1.
- Is 3RT20451NB30 available?
- Yes — 3RT20451NB30 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).