Part number
4RB2050-3EA50
102.87 SR In stock · 50+ Dispatch Planned dispatch date. We aim to ship within 1 business day. Depending on warehouse workload it can take 2–3 business days. · From Türkiye
4RB2

Siemens 4RB2050-3EA50 4RB2 400V Power Supply

Rated operational voltage
400 V AC
EAN
4047624057290
Description

About the 4RB2050-3EA50

The Siemens 4RB2050-3EA50 is a power supply from the SENTRON/SIRIUS 4RB2 series. Power capacitor PHICAP MKP 400 V 5.0 kVAr. Supplied by Stoklink for industrial and commercial low-voltage applications.

Certifications & Standards

  • IEC 60831-1

Applications & Use Cases

The Siemens 4RB2050-3EA50 is used in industrial control panels, distribution boards and automation systems. As part of the Siemens 4RB2 range it integrates with compatible SENTRON/SIRIUS components for a coordinated low-voltage installation. Genuine Siemens product supplied by Stoklink with fast dispatch from Türkiye.

Specification

Full specification

74 values · Last verified 31 Oct 2026

Model 5

type of internal interconnection D (Delta)
type of certification CE
type of enclosure material Extruded round aliuminum can with stud
type of mechanical safety Overpressure disconnector (3-phase)
standard IEC 60831-1 / -2

General technical data 17

capacitor voltage (rms value) rated value 400 V
capacitor voltage (rms value) maximum VN +10% (up to 8 h daily), VN +15% (up to 30 min daily), VN +20% (up to 5 min daily), VN +30% (up to 1 min daily)
operating frequency 1 rated value 50 Hz
operating frequency 2 rated value 60 Hz
capacity rated value 33 µF
relative negative tolerance of the capacity rated value 5%
relative positive tolerance of the capacity rated value 1%
reactive power of the capacitor at 50 Hz rated value 5 kvar
reactive power of the capacitor at 60 Hz rated value 6 kvar
clearance minimum 10.4 mm
creepage distance minimum 15.4 mm
type of dielectric Self-healing metallized polypropylene film
filler filled with Non PCB, Soft biodegradable resin
safety features of the integrated discharge resistors Discharge time ≤ 180 s to 75 V or less for safe discharging
voltage test between the terminals 2.15 x VN at 50Hz / 2 s
voltage test between the terminals and housing 3000 V AC / 50Hz, 10s
capacitor voltage (rms value) maximum note VN +10% (up to 8 h daily), VN +15% (up to 30 min daily), VN +20% (up to 5 min daily), VN +30% (up to 1 min daily)

Current 5

inrush current peak of the capacitor 200 x In
short-circuit current maximum 10 kA
capacitor current at 50 Hz rated value 7.2 A
capacitor current at 60 Hz rated value 8.6 A
terminal current maximum -9 999 A
Show all 74 specifications ↓ Show less ↑47 more values in Identification, Protection class, Dissipation, Product details, Connections, Mechanical Design, Environmental conditions, Logistics.

Identification 9

Part number 4RB2050-3EA50
Brand Siemens
Condition New, factory sealed
Source Siemens and its authorised distributors
Warranty Manufacturer warranty
Lifecycle status Active, in production
EAN 4047624057290
ETIM class EC001516
eCl@ss 27260290

Protection class 1

protection class IP of the terminal IP00

Dissipation 4

capacitor losses [W] in dielectric per kvar 0.2 W
capacitor losses [W] per kvar total 0.45 W
operating frequency: 1 rated value 50 Hz
operating frequency: 2 rated value 60 Hz

Product details 4

type of cooling natural or forced air cooling
type of enclosure material Extruded round aliuminum can with stud
type of mechanical safety Overpressure disconnector (3-phase)
product component external discharge resistor Yes

Connections 4

type of connecting terminal PhiCap_Fast-On
tightening torque maximum -9 999 N·m
tightening torque of the screw for securing the equipment maximum 10 N·m
connectable conductor cross-section of the terminal for copper conductor stranded without cable lug -9 999 m2

Mechanical Design 7

length of the capacitor 129 mm
length of the capacitor with connections maximum 143.3 mm
total length of the capacitor with mounting and connections maximum 159.3 mm
fastening method Threaded bolt M12
diameter of the capacitor 63.5 mm
diameter of the capacitor maximum 63.5 mm
mounting position Upright

Environmental conditions 11

installation altitude maximum 4 000 m
MTBF at temperature class -40/C maximum 135 h
MTBF at temperature class -40/D maximum 100 h
MTBF at temperature class -40/60 maximum -9 999 s
standard IEC 60831-1 / -2
relative humidity without condensation maximum 95 %
temperature classes of the capacitors Class -40/D: Max. short time: +55 °C, max. mean 24h: +45 °C; max mean 1 year: +35 °C; lowest temperature: -40 °C
ambient temperature during operation: minimum -40 °C
ambient temperature during operation: maximum 55 °C
ambient temperature during storage: minimum -40 °C
ambient temperature during storage: maximum 85 °C

Logistics 7

Net weight 0.903 kg
Package dimensions 310 × 235 × 208 mm
Country of origin IN
Shipping weight 1.403 kg
Ships from Türkiye
Dispatch 16 Nov
Stock In stock

Source: manufacturer data · Last verified: 31 Oct 2026

Documents

Documents for 4RB2050-3EA50

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Ask us for the datasheet
Certifications

Certifications and standards

  • IEC 60831-1
Quick answers

Questions about the 4RB2050-3EA50

Which supply voltage is 4RB2050-3EA50 rated for?

The rated operational voltage of 4RB2050-3EA50 is 400 V AC.

What is the EAN of 4RB2050-3EA50?

The EAN (GTIN) of 4RB2050-3EA50 is 4047624057290.

Where does 4RB2050-3EA50 ship from, and how fast?

4RB2050-3EA50 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.

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Reviews

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Series

Siemens 4RB2

Brand
Siemens
Series
4RB2
102.87 SR In stock · 16 Nov
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Genuine parts

Genuine, factory-sealed parts

Siemens · 4RB2050-3EA50

Every part on Stoklink is new, unused and made by the manufacturer named on the page.

Condition
New and unused, in the manufacturer's factory-sealed packaging.
Sourced from
Siemens and its authorised distributors.
Warranty
The manufacturer's warranty applies.
If a part is not genuine
We refund the full amount.

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