> SIEMENS > CONTROL AND CONTACTORS > Function relays > 20111
SIEMENS 3RN2011-1BA30 3RN2011-1BA30 SIEMENS Thermistor motor protection relay Standard evaluation unit 22.5 mm enclosure screw ter.. View larger
Images are for illustrative purposes only. Please refer to data sheet for details

3RN2011-1BA30 SIEMENS Thermistor motor protection relay Standard evaluation unit 22.5 mm enclosure screw ter..

3RN2011-1BA30

20111

SIEMENS

1 Pcs.

Thermistor motor protection relay Standard evaluation unit 22.5 mm enclosure screw terminal 2 change-over contacts US = 24 V AC/DC Manul/Remote-Reset with ATEX approval 2 LEDs (READY/TRIPPED) galvanic isolation Test/reset button Wire break monitoring Short circuit monitoring Prot. relay Thermistor motor EVAL unit. standard 22.5 mm box Screw terminals 2 switched US = AC/DC 24 V Manual/Remote reset with ATEX approval 2 LEDs (READY/TRIPPED) Galvanic isolation Test/Reset button Wire break monitoring Short circuit monitoring.

Automation > Relay for thermistor protection (PTC)
Function relays

Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.

Request a Quote

Pricing and availability are confirmed for each enquiry. Send this part and we will reply with price and lead time.

Request Quote

Product Overview

A Siemens 3RN2011-1BA30 standard thermistor motor protection relay monitors thermal conditions inside high-demand electrical motors, signaling control systems to trip before insulation breakdown occurs. These protection devices are widely implemented in industrial automation lines to preserve motor longevity and prevent unexpected shutdowns. Pricing, availability and lead time are confirmed per enquiry through an RFQ.

  • product category: SIRIUS 3RN2 thermistor motor protection
  • product designation: Thermistor motor protection relay
  • product type designation: 3RN2
  • General technical data product function: thermistor motor protection
  • display version LED: Yes
  • degree of pollution: 3
  • surge voltage resistance rated value: 4 kV
  • protection class IP: IP20
  • shock resistance according to IEC 60068-2-27: 11g / 15 ms
  • vibration resistance according to IEC 60068-2-6: 10 ... 55 Hz: 0.35 mm
  • mechanical service life (switching cycles) typical: 10 000 000
  • reference code according to IEC 81346-2: K
  • Substance Prohibitance (Date): 07/01/2006
  • ● error memory: No
  • ● dynamic open-circuit detection: Yes
  • ● external reset: Yes

More info

▲

Technical data

Thermistor motor protection relay Standard evaluation unit 22.5 mm enclosure screw terminal 2 change-over contacts US = 24 V AC/DC Manul/Remote-Reset with ATEX approval 2 LEDs (READY/TRIPPED) galvanic isolation Test/reset button Wire break monitoring Short circuit monitoring
product brand nameSIRIUS
product categorySIRIUS 3RN2 thermistor motor protection
product designationThermistor motor protection relay
design of the productStandard evaluation unit with ATEX approval, open-circuit and short-circuit detection in the sensor circuit
product type designation3RN2
General technical data
product functionthermistor motor protection
display version LEDYes
insulation voltage for overvoltage category III according to IEC 60664 with degree of pollution 3 rated value300 V
degree of pollution3
surge voltage resistance rated value4 kV
protection class IPIP20
shock resistance according to IEC 60068-2-2711g / 15 ms
vibration resistance according to IEC 60068-2-610 ... 55 Hz: 0.35 mm
mechanical service life (switching cycles) typical10 000 000
electrical endurance (switching cycles) at AC-15 at 230 V typical100 000
thermal current of the switching element with contacts maximum5 A
reference code according to IEC 81346-2K
Substance Prohibitance (Date)07/01/2006
Product Function
product function
● error memoryNo
● dynamic open-circuit detectionYes
● external resetYes
● auto-RESETNo
● manual RESETYes
Control circuit/ Control
type of voltage of the control supply voltageAC/DC
control supply voltage at AC
● at 50 Hz rated value24 ... 24 V
● at 60 Hz rated value24 ... 24 V
control supply voltage at DC
● rated value24 ... 24 V
operating range factor control supply voltage rated value at DC
● initial value0.85
● full-scale value1.1
operating range factor control supply voltage rated value at AC at 50 Hz
● initial value0.85
● full-scale value1.1
operating range factor control supply voltage rated value at AC at 60 Hz
● initial value0.85
● full-scale value1.1
inrush current peak
● at 24 V0.5 A
duration of inrush current peak
● at 24 V50 ms
Measuring circuit
buffering time in the event of power failure minimum40 ms
Precision
relative metering precision2 %
Auxiliary circuit
material of switching contactsAgSnO2
number of NC contacts for auxiliary contacts0
number of NO contacts for auxiliary contacts0
number of CO contacts for auxiliary contacts2
operational current of auxiliary contacts at DC-13
● at 24 V1 A
● at 125 V0.2 A
● at 250 V0.1 A
Main circuit
operating frequency rated value50 ... 60 Hz
ampacity of the output relay at AC-15 at 250 V at 50/60 Hz3 A
ampacity of the output relay at DC-13
● at 24 V1 A
● at 125 V0.2 A
continuous current of the DIAZED fuse link of the output relay6 A
Electromagnetic compatibility
conducted interference
● due to burst according to IEC 61000-4-42 kV (power ports) / 1 kV (signal ports)
● due to conductor-earth surge according to IEC 61000-4-52 kV (line to ground)
● due to conductor-conductor surge according to IEC 61000-4-51 kV (line to line)
electrostatic discharge according to IEC 61000-4-26 kV contact discharge / 8 kV air discharge
Galvanic isolation
design of the electrical isolationgalvanic isolation
galvanic isolation
● between input and outputYes
● between the outputsYes
● between the voltage supply and other circuitsNo
Safety related data
Safety Integrity Level (SIL) according to IEC 615081
performance level (PL) according to EN ISO 13849-1c
category according to EN ISO 13849-11
Safe failure fraction (SFF)74 %
average diagnostic coverage level (DCavg)18 %
failure rate [FIT]
● at rate of recognizable hazardous failures (λdd)0.000000068 1/h
● at rate of non-recognizable hazardous failures (λdu)0.00000031 1/h
PFHD with high demand rate according to EN 620610.00000038 1/h
PFDavg with low demand rate according to IEC 615080.0041
MTBF97 y
MTTFd303 y
hardware fault tolerance according to IEC 615080
Connections/ Terminals
product component removable terminal for auxiliary and control circuitYes
type of electrical connectionscrew-type terminals
● for auxiliary and control circuitscrew-type terminals
type of connectable conductor cross-sections
● solid1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)
● finely stranded with core end processing1x (0.5 ... 4 mm²), 2x (0.5 ... 1.5 mm²)
● at AWG cables solid1x (20 ... 12), 2x (20 ... 14)
connectable conductor cross-section
● solid0.5 ... 4 mm²
● finely stranded with core end processing0.5 ... 4 mm²
AWG number as coded connectable conductor cross section
● solid20 ... 12
● stranded20 ... 12
tightening torque with screw-type terminals0.6 ... 0.8 N·m
Installation/ mounting/ dimensions
mounting positionany
fastening methodscrew and snap-on mounting onto 35 mm standard mounting rail
height100 mm
width22.5 mm
depth90 mm
required spacing
● with side-by-side mounting
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
● for grounded parts
— forwards0 mm
— backwards0 mm
— upwards0 mm
— at the side0 mm
— downwards0 mm
● for live parts
— forwards0 mm
— backwards0 mm
— upwards0 mm
— downwards0 mm
— at the side0 mm
Ambient conditions
installation altitude at height above sea level maximum2 000 m
ambient temperature
● during operation-25 ... +60 °C
● during storage-40 ... +85 °C
● during transport-40 ... +85 °C
relative humidity during operation70 %
explosion protection category for dust[Ex t] [Ex p]
explosion protection category for gas[Ex e] [Ex d] [Ex px]
Certificates/ approvals

Downloads and manuals

General Product ApprovalEMC

CSA

CCC

Confirmation

UL

EAC

RCM

For use in hazardous locationsDeclaration of ConformityTest CertificatesMarine / Shipping

ATEX-EC-Type-Examination-Certificate

EC/EU-Declaration of Conformity

Type Test Certificates/Test Report

LR (Lloyds Register)

PRS / Polski Rejestr Statkow

DNV-GL

other

Confirmation

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: Derating
last modified:5/1/2021
Date
5/5/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3RN2011-1BA30
Product DescriptionThermistor motor protection relay Standard evaluation unit 22.5 mm enclosure screw terminal 2 change-over contacts US = 24 V AC/DC Manul/Remote-Reset with ATEX approval 2 LEDs (READY/TRIPPED) galvanic isolation Test/reset button Wire break monitoring Short circuit monitoring
Product familySIRIUS 3RN2 thermistor motor protection
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41H / 41H
Surcharge for Raw MaterialsNone
Metal FactorLAO-----
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-works10 Day/Days
Net Weight (kg)0,182 Kg
Packaging Dimension37,00 x 110,00 x 129,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4047621006680
UPC804766415715
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group4953
Group CodeR711
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 01.07.2006
Product classA: Standard product which is a stock item could be returned within the returns guidelines/period.
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.

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 monoxide (lead oxide)

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
eClass627-37-15-03
eClass7.127-37-15-03
eClass827-37-15-03
eClass927-37-15-03
eClass9.127-37-15-03
ETIM5EC002568
ETIM6EC002568
ETIM7EC002568
ETIM8EC002568
IDEA45282
UNSPSC1539-12-22-29

ETIM data

ETIM: EC002568 - Relay for thermistor protection (PTC)

Value Unit
With detachable clamps (EF003340) -
Connection type auxiliary circuit (EF006820) -
Voltage type for actuating (EF008242) -
Rated control supply voltage Us (EF002412) -V
Number of measuring circuits (EF003425) 1
Number of contacts as normally closed contact (EF008255) 0
Number of contacts as normally open contact (EF008256) 0
Number of contacts as change-over contact (EF008257) 2
External reset possible (EF003426) true
Error registration possible (EF003423) false
Height (EF000040) 100.0mm
Width (EF000008) 22.5mm
Depth (EF000049) 90.0mm



Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.