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3RU2126-4DC1 SIEMENS Overload relay 20...25 A Thermal For motor protection Size S0, Class 10 Stand-alone ins..

3RU2126-4DC1

SIEMENS

Overload relay 20...25 A Thermal For motor protection Size S0, Class 10 Stand-alone installation Main circuit: Spring-type terminal Auxiliary circuit: spring-type terminal Manual-Automatic-Reset

SIRIUS Innovations Thermal overload relay, motor protection 20...25 A S0, Class 10, independent spring connection assembly. Manufactured to order. Non-Cancelable Non-Returnable.

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Low-voltage industrial components > Thermal overload relay

CONTROL AND CONTACTORS > Thermal relays

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Technical data

Overload relay 20...25 A Thermal For motor protection Size S0, Class 10 Stand-alone installation Main circuit: Spring-type terminal Auxiliary circuit: spring-type terminal Manual-Automatic-Reset
product brand nameSIRIUS
product designationthermal overload relay
product type designation3RU2
General technical data
size of overload relayS0
size of contactor can be combined company-specificS0
power loss [W] for rated value of the current at AC in hot operating state8.1 W
● per pole2.7 W
insulation voltage with degree of pollution 3 at AC rated value690 V
surge voltage resistance rated value6 kV
maximum permissible voltage for safe isolation in networks with grounded star point
● between auxiliary and auxiliary circuit440 V
● between auxiliary and auxiliary circuit440 V
● between main and auxiliary circuit440 V
● between main and auxiliary circuit440 V
shock resistance according to IEC 60068-2-278g / 11 ms
type of protection according to ATEX directive 2014/34/EUEx II (2) GD
certificate of suitability according to ATEX directive 2014/34/EUDMT 98 ATEX G 001
reference code according to IEC 81346-2F
Substance Prohibitance (Date)10/01/2009
Ambient conditions
installation altitude at height above sea level maximum2 000 m
ambient temperature
● during operation-40 ... +70 °C
● during storage-55 ... +80 °C
● during transport-55 ... +80 °C
temperature compensation-40 ... +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 release20 ... 25 A
operating voltage
● rated value690 V
● at AC-3e rated value maximum690 V
operating frequency rated value50 ... 60 Hz
operational current rated value25 A
operational current at AC-3e at 400 V rated value25 A
operating power
● at AC-3
— at 400 V rated value11 kW
— at 500 V rated value15 kW
— at 690 V rated value22 kW
● at AC-3e
— at 400 V rated value11 kW
— at 500 V rated value15 kW
— at 690 V rated value22 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
operational current of auxiliary contacts at AC-15
● at 24 V3 A
● at 110 V3 A
● at 120 V3 A
● at 125 V3 A
● at 230 V2 A
● at 400 V1 A
operational current of auxiliary contacts at DC-13
● at 24 V2 A
● at 60 V0.3 A
● at 110 V0.22 A
● at 125 V0.22 A
● at 220 V0.11 A
contact rating of auxiliary contacts according to ULB600 / R300
Protective and monitoring functions
trip classCLASS 10
design of the overload releasethermal
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value25 A
● at 600 V rated value25 A
Short-circuit protection
design of the fuse link
● for short-circuit protection of the auxiliary switch requiredfuse gG: 6 A, quick: 10 A
Installation/ mounting/ dimensions
mounting positionany
fastening methodstand-alone installation
height114 mm
width45 mm
depth95 mm
Connections/ Terminals
product component removable terminal for auxiliary and control circuitNo
type of electrical connection
● for main current circuitspring-loaded terminals
● for auxiliary and control circuitspring-loaded terminals
arrangement of electrical connectors for main current circuitTop and bottom
type of connectable conductor cross-sections
● for main contacts
— solid or stranded1x (1 ... 10 mm²)
— finely stranded with core end processing1x (1 ... 6 mm²)
— finely stranded without core end processing1x (1 ... 6 mm²)
● at AWG cables for main contacts1x (18 ... 8)
type of connectable conductor cross-sections
● for auxiliary contacts
— solid or stranded2x (0.5 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— finely stranded without core end processing2x (0.5 ... 1.5 mm²)
● at AWG cables for auxiliary contacts2x (20 ... 14)
design of screwdriver shaftDiameter 3 mm
size of the screwdriver tip3,0 x 0,5 mm
Safety related data
failure rate [FIT] with low demand rate according to SN 3192050 FIT
MTTF with high demand rate2 280 y
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
Display
display version for switching statusSlide switch
Certificates/ approvals

Downloads and manuals

General Product ApprovalFor use in hazardous locations

CSA

CCC

Confirmation

UL

EAC

IECEx

For use in hazardous locationsDeclaration of ConformityTest CertificatesMarine / Shipping

ATEX-EC-Type-Examination-Certificate

EC/EU-Declaration of Conformity

UK Declaration of Conformity

Special Test Certificate

Type Test Certificates/Test Report

ABS (American Bureau of Shipping)

Marine / Shipping

BV / Bureau Veritas

DNV / Det Norske Veritas

LR (Lloyds Register)

PRS / Polski Rejestr Statkow

RINA / Registro Italiano Navale

RMRS / Russian Maritime Register

otherRailway

Confirmation

Vibration and Shock

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
Cax online generator
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
Characteristic: Tripping characteristics, I²t, Let-through current
Further characteristics (e.g. electrical endurance, switching frequency)
last modified:3/8/2022
Date
5/14/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3RU2126-4DC1
Product DescriptionOverload relay 20...25 A Thermal For motor protection Size S0, Class 10 Stand-alone installation Main circuit: Spring-type terminal Auxiliary circuit: spring-type terminal Manual-Automatic-Reset
Product family3RU2 for standard applications
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41F / 41F
Surcharge for Raw MaterialsNone
Metal FactorL-O-----
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-works5 Day/Days
Net Weight (kg)0,303 Kg
Packaging Dimension49,00 x 115,00 x 102,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209781276
UPC662643919356
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group5346
Group CodeR711
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 01.10.2009
Product classC: products manufactured / produced to order, which cannot be reused or re-utilised or be returned against credit.
WEEE (2012/19/EU) Take-Back ObligationYes
REACH Art. 33 Duty to inform according to the current list of candidates

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Classifications
VersionClassification
eClass627-37-15-01
eClass7.127-37-15-01
eClass827-37-15-01
eClass927-37-15-01
eClass9.127-37-15-01
ETIM5EC000106
ETIM6EC000106
ETIM7EC000106
ETIM8EC000106
IDEA45366
UNSPSC1439-12-15-21
UNSPSC1539-12-23-30

ETIM data

ETIM: EC000106 - Thermal overload relay

Value Unit
Reset function input (EF011940) -
Reset function automatic (EF011941) -
Reset function push-button (EF011942) -
Adjustable current range (EF008211) ['20', '25']A
Max. rated operation voltage Ue (EF007357) 690V
Mounting method (EF000003) Separate positioning
Type of electrical connection of main circuit (EF006819) Spring clamp connection
Number of auxiliary contacts as normally closed contact (EF001377) 1
Number of auxiliary contacts as normally open contact (EF001376) 1
Number of auxiliary contacts as change-over contact (EF003531) 0
Release class (EF006668) CLASS 10



Datasheet - PDF

▲
Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
PDF CATALOGUE SIEMENS EN.pdf 104 Mbytes
3RU2126-4DC1 3RU2126-4DC1 EN_3RU2126-4DC1.pdf 480 Kbytes 3RU2126-4DC1 3RU2126-4DC1 EN_3RU2126-4DC1.pdf

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