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Siemens 3RA2315-8XB30-1FB4 — Motor Starters

Siemens 3RA2315-8XB30-1FB4 Reversing Contactor Assembly, S00

MPN3RA2315-8XB30-1FB4
Active

Siemens SIRIUS reversing contactor assembly, Size S00, 3 kW at 400 V AC-3, screw-type terminals, 90 x 68 x 73 mm, DIN-rail mount.

Siemens 3RA2315-8XB30-1FB4 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RA2315-8XB30-1FB4 — Identification
ParameterValue
Product designationReversing contactor assembly
Main circuit poles3
BrandSIRIUS
Reference designation (IEC 81346-2)Q
3RA2315-8XB30-1FB4 — 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
3RA2315-8XB30-1FB4 — Contacts & Control
ParameterValue
Control supply voltage typeDC
Auxiliary switch extensionYes
3RA2315-8XB30-1FB4 — Communication
ParameterValue
AS-Interface protocol supportNo
3RA2315-8XB30-1FB4 — Mechanical & Connection
ParameterValue
Main contact conductor range (AWG)2x (20 ... 16), 2x (18 ... 14)
Mounting / fastening methodscrew and snap-on mounting onto 35 mm standard mounting 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
3RA2315-8XB30-1FB4 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C

Product details

What this reversing contactor assembly does

The 3RA2315-8XB30-1FB4: This is a Siemens SIRIUS reversing contactor assembly, Size S00, which packages two 3RT2015-1FB42 contactors into a single unit for forward/reverse motor control. Rated 3 kW at 400 V AC-3, it handles reversing duty for three-phase motors up to that load, with AC-3/AC-3e maximum switching frequency of 750 operations per hour.

Termination and wiring

Both the main current circuit and the magnet coil use screw-type terminals — no push-in or spring-cage here, so you'll want a torque driver with the right bit.

Frequently asked questions

What is the depth of 3RA2315-8XB30-1FB4?

The depth is 73 mm, with width 90 mm and height 68 mm — fits standard DIN-rail enclosures without overhang.

MPN
3RA2315-8XB30-1FB4