The Siemens 3RT2016-2BB44 is a current-production SIRIUS S00 power contactor with spring-type terminals designed for motor switching in control panels. The coil is 24 VDC, and the contactor is rated for AC-3 duty at up to 750 operations per hour, covering most standard motor loads up to its rated capacity. Its 45 mm wide, 70 mm high, 121 mm deep footprint occupies minimal DIN rail space. Minimum clearance: 10 mm upward, downward, and forward, 6 mm laterally. Mount via screw or snap-on 35 mm DIN rail according to DIN EN 60715. Operating temperature range -25 to +60 °C; storage range -55 to +80 °C.
Siemens 3RT2016-2BB44 SIRIUS S00 Power Contactor, 24 V Coil
MPN3RT2016-2BB44
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Siemens SIRIUS S00 power contactor, 3RT2016-2BB44, 45 mm wide, spring-type terminals, 24 V coil, AC-3 switching capacity 750 operations/h.
$147.66Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Contactor frame size | S00 |
Ratings & Performance
| Parameter | Value |
|---|---|
| Rated operational current, AC-12, max. | 10 A |
| Rated operational current, AC-4 @ 400 V | 8.5 A |
| Rated value @ 400 V | 3 A |
| Rated value @ 500 V | 2 A |
| Rated value @ 690 V | 1 A |
| Rated value @ 230 V | 1 hp |
| Rated value @ 24 V | 6 A |
| Rated value @ 60 V | 2 A |
| Rated value @ 110 V | 1 A |
| Rated value @ 220 V | 0.3 A |
Control & Coil
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
Contacts & Poles
| Parameter | Value |
|---|---|
| Main poles | 3 |
| Main NO contacts | 3 |
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
Protection & Coordination
| 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) |
Connection & Mounting
| Parameter | Value |
|---|---|
| Main circuit connection | spring-loaded terminals |
| Aux. / control circuit connection | spring-loaded terminals |
| Conductor cross-section, solid | 0.5 ... 4 mm² |
| Conductor cross-section, solid or stranded | 2x (0,5 ... 4 mm²) |
| Conductor cross-section, finely stranded w/ ferrule | 2x (0.5 ... 2.5 mm²) |
| Mounting method | screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 |
| Side-by-side mounting | Yes |
Durability
| Parameter | Value |
|---|---|
| Durability (operating cycles, typ.) | 10 000 000 |
| Durability with aux. switch block (cycles, typ.) | 10 000 000 |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
| Installation altitude, max. | 2 000 m |
Mechanical
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 70 mm |
| Depth | 121 mm |
Product details
Frequently asked questions
What are the key dimensions and mounting requirements?
It measures 45 mm wide, 70 mm high, and 121 mm deep. Mounts on 35 mm DIN rail via screw or snap-on. Minimum clearance: 10 mm up, down, and forward; 6 mm to the sides.
What wire sizes does the spring terminal accept?
It accepts 0.5 to 4 mm² solid or stranded wire, or two conductors of the same range. No ferrule or bootlace required for stranded wire.
What is the AC-3 switching rating?
AC-3 duty is rated at up to 750 operations per hour. This covers traditional motor switching for contactors of this frame size.
Does the 3RT2016-2BB44 come with auxiliary contacts?
No, it ships without auxiliary switch blocks. Auxiliary contact modules (e.g., 3RH19 series) can be added separately if needed.
MPN
3RT2016-2BB44