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Siemens 3RN2012-1BA30

thermistor motor protection relay standard evaluation unit 22.5 mm enclosure screw terminal 2 changeover contacts Us = 24 V AC/DC manual/auto/remote RESET with ATEX approval 2 LEDs (ready/tripped) electrical isolation test/RESET button wire-break monitoring short-circuit monitoring non-volatile

SiemensMFR # 3RN2012-1BA30SKU # CEY-937FC780C2E5

product brand nameSIRIUS

product categorySIRIUS 3RN2 thermistor motor protection

product designationThermistor motor protection relay

product type designation3RN2

product functionthermistor motor protection

display version LEDYes

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About This Product

Siemens 3RN2012-1BA30

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Product selection and compatibility support from our technical team
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Specifications

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, non-volatile

product type designation3RN2

General technical data

product functionthermistor motor protection

display version LEDYes

at AC in hot operating state1.2 W

at DC in hot operating state1.2 W

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

shock resistance according to IEC 60068-2-2711 g / 15 ms

vibration resistance according to IEC 60068-2-610 ... 55 Hz: 0.35 mm

mechanical service life (operating cycles) typical10 000 000

at 24 V typical100 000

at 230 V typical100 000

thermal current of the switching element with contacts maximum5 A

reference code according to IEC 81346-2K

Substance Prohibitance (day/month/year)05/28/2009

SVHC substance nameLead 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 Weight0.148 kg

Product Function

error memoryYes

dynamic open-circuit detectionYes

external resetYes

auto-RESETYes

manual RESETYes

Control circuit/ Control

type of voltage of the control supply voltageAC/DC

at 50 Hz rated value24 V

at 60 Hz rated value24 V

control supply voltage at DC rated value24 V

initial value0.85

full-scale value1.1

initial value0.85

full-scale value1.1

initial value0.85

full-scale value1.1

at 24 V0.5 A

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 AC-15 maximum3 A

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

at 24 V1 A

at 125 V0.2 A

continuous current of the DIAZED fuse link of the output relay6 A

Electromagnetic compatibility

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

between input and outputYes

between the outputsYes

between the voltage supply and other circuitsNo

Safety related data

failure rate [FIT] at rate of recognizable hazardous failures (λdd)6.8E-8 1/h

failure rate [FIT] at rate of non-recognizable hazardous failures (λdu)3.08E-7 1/h

average diagnostic coverage level (DCavg)18 %

MTBF97 a

MTTFd303 a

IEC 62061

Safety Integrity Level (SIL) according to IEC 62061SIL 1

PFHD with high demand rate according to IEC 620613.76E-7 1/h

ISO 13849

performance level (PL) according to EN ISO 13849-1c

category according to EN ISO 13849-11

performance level (PL) according to ISO 13849-1PL c

IEC 61508

Safety Integrity Level (SIL) according to IEC 615081

safety device type according to IEC 61508-2Type B

PFDavg with low demand rate according to IEC 615080.0041

Safe failure fraction (SFF)74 %

hardware fault tolerance according to IEC 615080

T1 value for proof test interval or service life according to IEC 615083 a

Connections/ Terminals

product component removable terminal for auxiliary and control circuitYes

type of electrical connectionscrew terminal

for auxiliary and control circuitscrew-type terminals

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

finely stranded with core end processing1x (0.5 ... 4 mm²), 2x (0.5 ... 1.5 mm²)

for AWG cables solid1x (20 ... 12), 2x (20 ... 14)

solid0.5 ... 4 mm²

finely stranded with core end processing0.5 ... 4 mm²

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 DIN rail

height100 mm

width22.5 mm

depth90 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— downwards0 mm

— at the side0 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— at the side0 mm

— downwards0 mm

— forwards0 mm

— backwards0 mm

— upwards0 mm

— downwards0 mm

— at the side0 mm

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-25 ... +60 °C

during storage-40 ... +85 °C

during transport-40 ... +85 °C

relative humidity during operation maximum70 %

explosion protection category for dust[Ex t] [Ex p]

explosion protection category for gas[Ex e] [Ex d] [Ex px]

Accessories 4

Genuine accessories that can be used with the Siemens 3RN2012-1BA30 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3ZY1311-0AA00	Aksesuar · Further accessories
3ZY1122-1BA00	Aksesuar · Removable terminals
3ZY1440-1AA00	Aksesuar · Further accessories
3ZY1122-2BA00	Aksesuar · Removable terminals