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Siemens 3RV1031-4FA10-ZX95 — Motor Protection Circuit Breakers (MPCB)

Siemens 3RV1031-4FA10-ZX95 SIRIUS Motor Protection CB, 40 A,

MPN3RV1031-4FA10-ZX95

Siemens SIRIUS motor protection circuit breaker, 3RV1031-4FA10-ZX95, 40 A continuous, CLASS 10, 18.5 kW at 400 V, screw terminals, IP20 front, 55 x 140 x 149 mm.

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

3RV1031-4FA10-ZX95 — Identification
ParameterValue
SeriesSIRIUS
Product designationcircuit breaker
3RV1031-4FA10-ZX95 — Electrical
ParameterValue
Rated voltage690 V
Rated voltage, AC-3 (max.)690 V
Rated impulse withstand voltage (Uimp)6 000 V
Number of poles3
Power loss (AC, hot)29 W
Power loss, per pole (AC, hot)9.7 W
3RV1031-4FA10-ZX95 — Protection & Tripping
ParameterValue
Overload release setting range28 ... 40 A
Trip classCLASS 10
Breaking capacity at 240 V (AC)100 kA
Breaking capacity at 400 V (AC)50 kA
Breaking capacity at 500 V (AC)10 kA
Breaking capacity at 690 V (AC)4 kA
Phase-failure detectionYes
Ground-fault detectionNo
Auxiliary switch extendableYes
3RV1031-4FA10-ZX95 — Endurance & Switching
ParameterValue
Auxiliary CO (changeover) contacts0
3RV1031-4FA10-ZX95 — Connections
ParameterValue
Main-circuit terminal typescrew-type terminals with box terminals
Main-circuit connector arrangementfront side
Conductor cross-section, finely stranded with ferrule2x (0.75 ... 16 mm²), 0.75 ... 25 mm²
Conductor range, AWG (main contacts)2x (18 ... 2), 1x (18 ... 2)
3RV1031-4FA10-ZX95 — Mechanical
ParameterValue
Height140 mm
Width55 mm
Depth149 mm
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Mounting positionany
3RV1031-4FA10-ZX95 — Environmental
ParameterValue
Operating temperature-20 ... +60 °C
Storage temperature-50 ... +80 °C
Transport temperature-50 ... +80 °C
Max. installation altitude2 000 m
3RV1031-4FA10-ZX95 — Specifications
ParameterValue
Design Of The Productfor motor protection

Product details

It switches 18.5 kW at 400 V and carries a 50 kA breaking capacity at 400 V AC, dropping to 10 kA at 500 V and 4 kA at 690 V — the high fault current at 240 V hits 100 kA.

The 55 mm width and 140 mm height fit a standard MCCB slot; depth is 149 mm. The screw-type terminals for the main circuit accept 2x solid conductors 0.75–16 mm² or 2x stranded 0.75–25 mm², with a single larger terminal taking up to 35 mm² stranded. Auxiliary and control circuits also terminate on screw terminals. Zero clearance needed at the sides or rear — 0 mm backwards and at the side.

Electrical and environmental ratings

Rated insulation voltage 690 V, surge voltage resistance 6 kV. Shock resistance 25g at 11 ms. Operating frequency at AC-3 duty is 15 cycles per hour maximum. RoHS compliance date is July 1, 2006.

Frequently asked questions

Where can I buy the 3RV1031-4FA10-ZX95 and how is it quoted?

It is sourced to order through independent distribution. Submit an RFQ for current pricing and availability — confirmed at quote time.

What is the depth of the 3RV1031-4FA10-ZX95?

149 mm depth, with 55 mm width and 140 mm height.

What compliance documentation does the 3RV1031-4FA10-ZX95 carry?

RoHS compliance date is July 1, 2006. The part is a Siemens SIRIUS catalog item; standard declarations for UL, CSA, CE, and IEC 60947 are provided with the shipment.

MPN
3RV1031-4FA10-ZX95