How can I get a price quote for Siemens 3RB3143-4UD0?

You can request a fast quote for Siemens 3RB3143-4UD0 from Yılsa Engineering. Reference part number YLSEWVWQELRTW7F. Submit a request via the contact or quote form and our team replies shortly with price and lead time.

Is Siemens 3RB3143-4UD0 in stock and what is the delivery time?

Yılsa Engineering sources products as genuine items through a wide supplier network. Typical lead time is 7-21 days, with 1-3 business days domestic transit in Türkiye. Current status is confirmed in the quote.

Is Siemens 3RB3143-4UD0 genuine and new?

Yes. This Siemens product is supplied genuine and brand-new, sold with invoice under Yılsa Engineering assurance.

How do I get the datasheet and technical specs for Siemens 3RB3143-4UD0?

Key technical specifications are listed on the product page. For the full datasheet, dimensions and compatibility, simply contact Yılsa Engineering.

Click to zoom

Photo may not represent actual item. Refer to name and product specs for all details.

Siemens 3RB3143-4UD0

Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 5E...30E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

SiemensMFR # 3RB3143-4UD0SKU # YLSEWVWQELRTW7F

product brand nameSIRIUS

product designationsolid-state overload relay

product type designation3RB3

size of overload relayS3

per pole0.3 W

surge voltage resistance rated value8 kV

Have questions?Chat on WhatsApp

About This Product

Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 5E...30E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset

Siemens 3RB3143-4UD0

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product designationsolid-state overload relay

product type designation3RB3

General technical data

size of overload relayS3

size of contactor can be combined company-specificS3

power loss [W] for rated value of the current at AC in hot operating state0.9 W

per pole0.3 W

type of calculation of power loss current-dependentquadratic

insulation voltage with degree of pollution 3 at AC rated value1 000 V

surge voltage resistance rated value8 kV

in networks with ungrounded star point between auxiliary and auxiliary circuit300 V

in networks with grounded star point between auxiliary and auxiliary circuit300 V

in networks with ungrounded star point between main and auxiliary circuit600 V

in networks with grounded star point between main and auxiliary circuit690 V

shock resistance8 g / 11 ms

according to IEC 60068-2-2715 g / 11 ms; Signaling contact 97 / 98 in position "Tripped": 8g / 11 ms

vibration resistance1 … 6 Hz, 15 mm; 6 … 500 Hz, 20 m/s²; 10 cycles

thermal current50 A

with automatic reset typical3 min

with remote-reset0 min

with manual reset0 min

reference code according to IEC 81346-2F

Substance Prohibitance (day/month/year)03/01/2017

SVHC substance nameLead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1

Net Weight600 g

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-25 ... +60 °C

during storage-40 ... +80 °C

during transport-40 ... +80 °C

temperature compensation-25 ... +60 °C

relative humidity during operation10 ... 95 %

Main circuit

number of poles for main current circuit3

adjustable current response value current of the current-dependent overload release12.5 ... 50 A

rated value1 000 V

for remote-reset function at DC24 V

at AC-3e rated value maximum1 000 V

operating frequency rated value50 ... 60 Hz

operational current rated value50 A

operational current at AC-3e at 400 V rated value50 A

for 3-phase motors at 400 V at 50 Hz7.5 ... 22 kW

for AC motors at 500 V at 50 Hz11 ... 30 kW

for AC motors at 690 V at 50 Hz11 ... 45 kW

Auxiliary circuit

design of the auxiliary switchintegrated

number of NC contacts for auxiliary contacts1

notefor contactor disconnection

number of NO contacts for auxiliary contacts1

notefor message "tripped"

number of CO contacts for auxiliary contacts0

at 24 V4 A

at 110 V4 A

at 120 V4 A

at 125 V4 A

at 230 V3 A

at 24 V2 A

at 60 V0.55 A

at 110 V0.3 A

at 125 V0.3 A

at 220 V0.11 A

Protective and monitoring functions

trip classCLASS 5E, 10E, 20E and 30E adjustable

design of the overload releaseelectronic

response value current of the grounding protection minimum0.75 x IMotor

response time of the grounding protection in settled state1 000 ms

minimumIMotor > lower current setting value

maximumIMotor < upper current setting value x 3.5

UL/CSA ratings

at 480 V rated value50 A

at 600 V rated value50 A

contact rating of auxiliary contacts according to ULB600 / R300

Short-circuit protection

— with type of coordination 1 requiredgG: 200 A

— with type of coordination 2 requiredgG: 200 A

for short-circuit protection of the auxiliary switch requiredfuse gG: 6 A

Installation/ mounting/ dimensions

mounting positionany

fastening methodContactor mounting

height106 mm

width70 mm

depth124 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— at the side6 mm

— downwards0 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— downwards0 mm

— at the side6 mm

Connections/ Terminals

product component removable terminal for auxiliary and control circuitYes

for main current circuitscrew-type terminals

for auxiliary and control circuitspring-loaded terminals

arrangement of electrical connectors for main current circuitTop and bottom

solid2x (2.5 ... 16 mm²)

stranded2x 16 mm²

solid or stranded1x (2,5 ... 70 mm²), 2x (2,5 ... 50 mm²)

finely stranded with core end processing1x (2,5 ... 50 mm²), 2x (2,5 ... 35 mm²)

— solid2x (0.25 ... 1.5 mm²)

— solid or stranded2x (0,25 ... 1,5 mm²)

— finely stranded with core end processing2x (0.25 ... 1.5 mm²)

— finely stranded without core end processing2x (0.25 ... 1.5 mm²)

for AWG cables for auxiliary contacts2x (24 ... 16)

for main contacts with screw-type terminals4.5 ... 6 N·m

design of screwdriver shaftDiameter 5 to 6 mm

size of the screwdriver tipPozidriv PZ 2

for main contactsM6

Electrical Safety

protection class IP on the front according to IEC 60529IP20

touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front

Communication/ Protocol

type of voltage supply via input/output link masterNo

Electromagnetic compatibility

due to burst according to IEC 61000-4-42 kV (power ports), 1 kV (signal ports) corresponds to degree of severity 3

due to conductor-earth surge according to IEC 61000-4-52 kV (line to earth) corresponds to degree of severity 3

due to conductor-conductor surge according to IEC 61000-4-51 kV (line to line) corresponds to degree of severity 3

due to high-frequency radiation according to IEC 61000-4-610 V in frequency range 0.15 to 80 MHz, modulation 80 % AM with 1 kHz

field-based interference according to IEC 61000-4-310 V/m

electrostatic discharge according to IEC 61000-4-26 kV contact discharge / 8 kV air discharge

Display

display version for switching statusSlide switch

Accessories 2

Genuine accessories that can be used with the Siemens 3RB3143-4UD0 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.