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Siemens 3RA2315-8XB30-1AK6 — Motor Starters

Siemens 3RA2315-8XB30-1AK6 SIRIUS Reversing Contactor Assemb

MPN3RA2315-8XB30-1AK6
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Siemens SIRIUS reversing contactor assembly, Size S00, 3RA2315-8XB30-1AK6, 3 kW at 400 V AC-3, screw-type terminals, snap-on 35 mm DIN rail.

$52.07Ref. price · indicative, final on quote
Siemens 3RA2315-8XB30-1AK6 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RA2315-8XB30-1AK6 — Identification
ParameterValue
Product designationReversing contactor assembly
Main circuit poles3
BrandSIRIUS
Reference designation (IEC 81346-2)Q
3RA2315-8XB30-1AK6 — Ratings & Performance
ParameterValue
Rated motor power at 400 V3 kW
Rated voltage at AC-3, max.690 V
Rated motor power at 460/480 V (hp)3 hp
Rated motor power at 575/600 V (hp)5 hp
Rated current at 480 V4.8 A
Rated current at 600 V6.1 A
3RA2315-8XB30-1AK6 — Contacts & Control
ParameterValue
Rated voltage range at 50 Hz110 V
Control supply voltage typeAC
Auxiliary switch extensionYes
3RA2315-8XB30-1AK6 — Communication
ParameterValue
AS-Interface protocol supportNo
3RA2315-8XB30-1AK6 — Mechanical & Connection
ParameterValue
Mounting / fastening methodscrew and snap-on mounting onto 35 mm DIN rail
Mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
Width90 mm
Height68 mm
Depth73 mm
3RA2315-8XB30-1AK6 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C

Product details

Reversing contactor assembly for motor direction control

The Siemens SIRIUS 3RA2315-8XB30-1AK6 is a factory-assembled reversing contactor assembly in Size S00, built around two 3RT2015-1AK62 contactors with a mechanical interlock. The 90 mm width and 68 mm height keep panel layout compact for the S00 frame class.

The assembly also carries horsepower ratings for North American voltages: 1.5 hp at 200/208 V, 2 hp at 220/230 V, 3 hp at 460/480 V, and 5 hp at 575/600 V. The 750 operations per hour maximum at AC-3 means this is sized for moderate cycling, not high-speed reversing applications like servo positioning.

Terminal capacity accepts solid conductors: 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or 2x 4 mm² — sized for motor power wiring up to the 4 kW / 5 hp range. Clearance distances: 6 mm upwards, forwards, downwards, and to the side; 0 mm backwards against the DIN rail. The screw-type coil terminals match the main circuit terminal style, so one tool handles the whole assembly.

Frequently asked questions

How do I get pricing and availability for 3RA2315-8XB30-1AK6?

Pricing and availability are confirmed at quote time. Submit an RFQ through this listing; the order is sourced and quoted to order through independent distribution.

What is the closest functional second-source to 3RA2315-8XB30-1AK6?

The 3RT6017-1AF01 is a Size S00 contactor from the same SIRIUS family, but it's a single contactor, not a pre-assembled reversing pair. The 3RA2315-8XB30-1AK6 includes two 3RT2015-1AK62 contactors with a mechanical interlock — you'd need to add an interlock and wire the reversing circuit yourself with the 3RT6017-1AF01. Panel fit (DIN rail, 90 mm width) is the same, but the assembly saves integration time.

What is the depth of 3RA2315-8XB30-1AK6?

The depth is 73 mm, which fits standard 200 mm deep enclosures with clearance for wiring.

What wire sizes does 3RA2315-8XB30-1AK6 accept?

Solid conductors: 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or 2x 4 mm². Stranded conductors: 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²). All terminals are screw-type.

Will 3RA2315-8XB30-1AK6 drop into a panel specified around 3RT6017-1AF01?

Mechanically yes — both are Size S00, snap onto 35 mm DIN rail, and share the same 90 mm width. Electrically no — the 3RA2315-8XB30-1AK6 is a reversing assembly with two contactors and a mechanical interlock; the 3RT6017-1AF01 is a single contactor. You'd need to rewire the reversing circuit and add an interlock if using the single contactor.

MPN
3RA2315-8XB30-1AK6