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Siemens 3RT2025-1BB44

Siemens 3RT2025-1BB44 Power Contactor 17A 7.5kW/400V 3P 24V DC

Brand: Siemens SKU: 3RT2025-1BB44 Mfr Part #: 3RT2025-1BB44
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Siemens 3RT2025-1BB44 — contactor (SIRIUS): auxiliary contacts 2 NO + 2 NC, closing and holding power (DC coil) 5.9 W, closing delay DC 50 - 170 ms.

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The Siemens 3RT2025-1BB44 is a contactor (SIRIUS). It is supplied as a power contactor (3rt2). Published specifications for this part number include 3 poles, -25 ... +60°C operating range, auxiliary contacts 2 NO + 2 NC, closing and holding power (DC coil) 5.9 W, closing delay DC 50 - 170 ms. Further catalogue data covers control supply voltage, installation altitude, insulation voltage (main and auxiliary), mlfb, mechanical service life, opening delay dc, operating frequency ac-3, operating power ac-3 at 400 v. KKM Solutions sources Siemens components to order. Request a quote from KKM Solutions for current pricing, lead time and availability.

Auxiliary contacts 2 NO + 2 NC
Closing and holding power (DC coil) 5.9 W
Closing delay DC 50 - 170 ms
Control Supply Voltage 24 V DC
Installation altitude max 2,000 m
Insulation voltage (main and auxiliary) 690 V
Mechanical service life 10,000,000 operating cycles
MLFB 3RT2025-1BB44
Number of poles 3
Opening delay DC 15 - 18 ms
Operating frequency AC-3 max 1,000 cycles/h
Operating power AC-3 at 400 V 7.5 kW
Operating power AC-3 at 690 V 11 kW
Operating Temperature -25 ... +60°C
Power loss at rated AC current (hot state) 1.8 W
Product Line SIRIUS
Product type Power contactor (3RT2)
Rated current AC-1 at 400 V / 40 °C 40 A
Rated current AC-3/AC-3e at 400 V 17 A
Rated current AC-3/AC-3e at 690 V 13 A
Size S0
Source stock status In stock at source
Storage Temperature -55 ... +80°C
Surge voltage resistance (main and auxiliary) 6 kV
Terminal Type Screw terminal

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Frequently Asked Questions

How much does 3RT2025-1BB44 cost?

3RT2025-1BB44 is listed at CA$82.87 (CAD) and can be ordered directly from this page with Add to Cart. That figure is a reference price and can change: your card is authorized at checkout and charged only once our order desk confirms the part and final price, and we email you first if anything has moved. Larger quantities or custom terms — email [email protected] for a volume quote.

Who manufactures the 3RT2025-1BB44?

3RT2025-1BB44 is a Siemens part. KKM Solutions sources Siemens components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.

Is 3RT2025-1BB44 discontinued, and can I still get one?

KKM Solutions does not publish a manufacturer lifecycle status for 3RT2025-1BB44 — check Siemens's own product page for whether it is current, superseded, or end-of-life. It does not change what we can do: we source current-production, superseded and long-obsolete parts the same way, and where a part is genuinely unavailable we identify a form-fit-function equivalent. Send the part number through the quote form on this page, or use our obsolete part lookup at https://kkmsolutions.com/tools/obsolete-part-lookup/.

What are the key specifications of 3RT2025-1BB44?

Key specifications include Auxiliary contacts: 2 NO + 2 NC; Closing and holding power (DC coil): 5.9 W; Closing delay DC: 50 - 170 ms; Control Supply Voltage: 24 V DC. The full specification table on this page lists every published attribute for this part.

How quickly can 3RT2025-1BB44 ship?

In-stock items are dispatched the same business day for orders placed by 11 AM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.

Variants & Related Part Numbers

Other Siemens part numbers in this family:

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