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Siemens 3RV2131-4UA10 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV2131-4UA10 SIRIUS Motor Circuit Breaker, 30 kA at

MPN3RV2131-4UA10
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Siemens SIRIUS, motor-protective circuit breaker, order code 3RV2131-4UA10, 30 kA breaking capacity at 400 V, Class 10 trip, screw and snap-on mounting.

Siemens 3RV2131-4UA10 datasheet (PDF)
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RV2131-4UA10 — Identification
ParameterValue
SeriesSIRIUS
Product designationCircuit breaker
Frame sizeS2
3RV2131-4UA10 — Electrical
ParameterValue
Rated operational current (Ie)40 A
Rated voltage20 ... 690 V
Rated voltage, AC-3 (max.)690 V
Rated frequency50 ... 60 Hz
Rated insulation voltage (Ui), pollution degree 3690 V
Rated impulse withstand voltage (Uimp)6 kV
Number of poles3
Power loss (AC, hot)20 W
Power loss, per pole (AC, hot)6.7 W
3RV2131-4UA10 — Protection & Tripping
ParameterValue
Overload release setting range32 ... 40 A
Instantaneous short-circuit trip current585 A
Trip classCLASS 10
Breaking capacity at 240 V (AC)100 kA
Breaking capacity at 400 V (AC)65 kA
Breaking capacity at 500 V (AC)10 kA
Breaking capacity at 690 V (AC)4 kA
Breaking capacity at 240 V100 kA
Breaking capacity at 690 V2 kA
Short-circuit trip typemagnetic
Overload release typethermal
Short-circuit protectionYes
Phase-failure detectionYes
Ground-fault detectionNo
Auxiliary switch extendableYes
3RV2131-4UA10 — Endurance & Switching
ParameterValue
Endurance, main contacts (typ.)50 000
Endurance, auxiliary contacts (typ.)50 000
Switching frequency, AC-3 (max.)15 1/h
3RV2131-4UA10 — Connections
ParameterValue
Main-circuit terminal typescrew-type terminals
Main-circuit connector arrangementTop and bottom
Conductor cross-section, solid / stranded2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
Conductor cross-section, finely stranded with ferrule2x (1 ... 16 mm²), 1x (1 ... 25 mm²)
Conductor range, AWG (main contacts)2x (18 ... 3), 1x (18 ... 2)
3RV2131-4UA10 — Mechanical
ParameterValue
Height140 mm
Width75 mm
Depth149 mm
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
Mounting positionany
3RV2131-4UA10 — Environmental
ParameterValue
Operating temperature-20 ... +60 °C
Storage temperature-50 ... +80 °C
Transport temperature-50 ... +80 °C
Relative humidity (operation)10 ... 95 %
Max. installation altitude2 000 m
3RV2131-4UA10 — Specifications
ParameterValue
Design Of The ProductFor motor protection with overload relay function

Product details

The Siemens 3RV2131-4UA10 is a SIRIUS motor-protective circuit breaker designed for motor protection with an integrated overload relay function.

Depth is 149 mm, width 75 mm, height 140 mm — fits standard DIN-rail enclosures. Main contact terminals accept solid or stranded wire: 2x 1–25 mm² or 1x 1–35 mm², with M6 screws.

Breaking capacity varies by voltage: 100 kA at 240 V, 30 kA at 400 V, 5 kA at 500 V, 2 kA at 690 V. The 30 kA at 400 V is the typical industrial mains level — sufficient for most motor branch circuits without requiring a current-limiting upstream device. Maximum switching frequency in AC-3 duty is 15 operations per hour.

Frequently asked questions

What is the breaking capacity of 3RV2131-4UA10 at 400 V?

30 kA at 400 V, which is the typical industrial mains level and sufficient for most motor branch circuits without requiring a current-limiting upstream device.

Where can I buy 3RV2131-4UA10?

Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.

What is the closest functional second-source for 3RV2131-4UA10?

The 3RV2023-4DA10 is a sibling in the same SIRIUS family with similar ratings, but verify the breaking capacity and trip class for your specific fault current requirements before substituting.

MPN
3RV2131-4UA10