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Siemens 3RB3046-2UB0

Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

SiemensMFR # 3RB3046-2UB0SKU # YLSX5MT4LHORFBJ

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

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About This Product

Overload relay 12.5...50 A Electronic For motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset

Siemens 3RB3046-2UB0

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Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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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 Weight527.38 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

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 20E

design of the overload releaseelectronic

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 circuitscrew-type 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)

— solid1x (0.5 ... 4 mm²), 2x (0.5 ... 2.5 mm²)

— solid or stranded1x (0,5 ... 4 mm²), 2x (0,5 ... 2,5 mm²)

— finely stranded with core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)

for AWG cables for auxiliary contacts2x (20 ... 14)

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

for auxiliary contacts with screw-type terminals0.8 ... 1.2 N·m

design of screwdriver shaftDiameter 5 to 6 mm

size of the screwdriver tipPozidriv PZ 2

for main contactsM6

of the auxiliary and control contactsM3

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 3RB3046-2UB0 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.