The 3RT2015-4BB42: The contactor is rated for AC-3 motor switching at up to 750 operating cycles per hour — that's the duty class for starting and stopping squirrel-cage motors under load, so it handles conveyor, pump, and fan starts without overheating the contacts. For resistive loads (AC-1) it can cycle up to 1 000 ops/h, and for the heavy inrush of AC-4 (plugging/reversing) it's rated 250 ops/h. The S00 footprint — 45 mm wide, 73 mm deep, 58 mm tall — fits tight panel layouts.
Siemens 3RT2015-4BB42 SIRIUS Contactor, 24 V DC Coil, S00
MPN3RT2015-4BB42
Siemens SIRIUS, Power contactor, Size S00, 24 V DC coil, screw and snap-on mounting onto 35 mm DIN rail, 73 mm depth, 45 mm width, 58 mm height.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Contactor frame size | S00 |
| Parameter | Value |
|---|---|
| Rated operational current, AC-12, max. | 10 A |
| Rated operational current, AC-4 @ 400 V | 6.5 A |
| Rated value @ 400 V | 3 A |
| Rated value @ 500 V | 2 A |
| Rated value @ 690 V | 1 A |
| Rated value @ 230 V | 0.75 hp |
| Rated value @ 24 V | 10 A |
| Rated value @ 60 V | 2 A |
| Rated value @ 110 V | 1 A |
| Rated value @ 220 V | 0.3 A |
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
| Parameter | Value |
|---|---|
| Main poles | 3 |
| Main NO contacts | 3 |
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Parameter | Value |
|---|---|
| Short-circuit coordination type 1, fuse | gG: 35A (690V,100kA), aM: 20A (690V,100kA), BS88: 35A (415V,80kA) |
| Short-circuit coordination type 2, fuse | gG: 20A (690V,100kA), aM: 16A (690V, 100kA), BS88: 20A (415V, 80kA) |
| Aux. switch short-circuit protection, fuse | gG: 10 A (500 V, 1 kA) |
| Parameter | Value |
|---|---|
| Main circuit connection | Ring cable lug connection |
| Aux. / control circuit connection | ring terminal lug connection |
| Mounting method | screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 |
| Side-by-side mounting | Yes |
| Parameter | Value |
|---|---|
| Durability (operating cycles, typ.) | 30 000 000 |
| Durability with aux. switch block (cycles, typ.) | 10 000 000 |
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
| Installation altitude, max. | 2 000 m |
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 58 mm |
| Depth | 73 mm |
Product details
Frequently asked questions
Where can I buy 3RT2015-4BB42 and how do I get a price?
We source this part to order through independent distribution. Submit an RFQ and we'll confirm availability and current pricing at quote time — no stock count or price listed here, but we'll get you a firm number fast.
What is 3RT2015-4BB42's listed depth (73 mm) on this component line?
The depth is 73 mm, with a width of 45 mm and height of 58 mm — compact enough for dense panel layouts.
What compliance documentation does this brand provide for 3RT2015-4BB42 (RoHS, REACH, UL, IEC)?
As a Siemens SIRIUS contactor it carries the usual CE, UL, CSA, and IEC certifications typical for industrial control gear. Specific declarations (RoHS, REACH) are available on request with the RFQ.
MPN
3RT2015-4BB42