Siemens 3RA6120-1BB34

SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 0.32...1.25 A IP20 Connection main…

MPN
3RA6120-1BB34
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What is the Siemens 3RA6120-1BB34?

SIRIUS Compact load feeder DOL starter 690 V 24 V AC/DC 50...60 Hz 0.32...1.25 A IP20 Connection main circuit: screw terminal Connection auxiliary circuit: plug-in, without terminals

Specifications

General technical data

product function control circuit interface to parallel wiringYes
product extension auxiliary switchYes
power loss [W] for rated value of the current – at AC in hot operating state0.1 W
power loss [W] for rated value of the current – at AC in hot operating state per pole0.03 W
power loss [W] for rated value of the current – without load current share typical2.9 W
insulation voltage rated value690 V
degree of pollution3
surge voltage resistance rated value6 000 V
maximum permissible voltage for protective separation – between main and auxiliary circuit400 V
maximum permissible voltage for protective separation – between auxiliary and auxiliary circuit250 V
maximum permissible voltage for protective separation – between control and auxiliary circuit300 V
degree of protection NEMA ratingother
shock resistancea=60 m/s2 (6g) with 10 ms per 3 shocks in all axes
vibration resistancef = 4 ... 5.8 Hz, d = 15 mm; f = 5.8 ... 500 Hz, a = 20 m/s²; 10 cycles
mechanical service life (operating cycles) – of the main contacts typical10 000 000
mechanical service life (operating cycles) – of auxiliary contacts typical10 000 000
mechanical service life (operating cycles) – of the signaling contacts typical10 000 000
electrical endurance (operating cycles) of auxiliary contacts – at DC-13 at 6 A at 24 V typical30 000
electrical endurance (operating cycles) of auxiliary contacts – at AC-15 at 6 A at 230 V typical200 000
type of coordinationcontinous operation according to IEC 60947-6-2
reference code according to IEC 81346-2Q
Substance Prohibitance (day/month/year)05/01/2012
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 Weight1.326 kg

Ambient conditions

installation altitude at height above sea level maximum2 000 m
ambient temperature – during operation-20 ... +60 °C
ambient temperature – during storage-55 ... +80 °C
ambient temperature – during transport-55 ... +80 °C
relative humidity during operation10 ... 90 %

Main circuit

number of poles for main current circuit3
adjustable current response value current of the current-dependent overload release0.32 ... 1.25 A
formula for making capacity limit current38.4 x Ie
formula for limit current breaking capacity32 x Ie
yielded mechanical performance for 4-pole AC motor – at 400 V rated value0.37 kW
yielded mechanical performance for 4-pole AC motor – at 500 V rated value0.55 kW
yielded mechanical performance for 4-pole AC motor – at 690 V rated value0.75 kW
operating voltage at AC-3 rated value maximum690 V
operational current – at AC at 400 V rated value1.25 A
operational current – at AC-3 at 400 V rated value1.25 A
at AC-43 – — at 400 V rated value1.1 A
at AC-43 – — at 500 V rated value1.2 A
at AC-43 – — at 690 V rated value1.1 A
operating power – at AC-3 at 400 V rated value0.37 kW
at AC-43 – — at 400 V rated value370 W
at AC-43 – — at 500 V rated value550 W
at AC-43 – — at 690 V rated value750 W
no-load switching frequency3 600 1/h
operating frequency – at AC-41 according to IEC 60947-6-2 maximum750 1/h
operating frequency – at AC-43 according to IEC 60947-6-2 maximum250 1/h

Control circuit/ Control

type of voltageAC/DC
control supply voltage 1 at AC – at 50 Hz rated value24 V
control supply voltage 1 at AC – at 50 Hz24 V
control supply voltage 1 at AC – at 60 Hz rated value24 V
control supply voltage 1 at AC – at 60 Hz24 V
control supply voltage frequency – 1 rated value50 Hz
control supply voltage frequency – 2 rated value60 Hz
control supply voltage 1 at DC rated value24 V
control supply voltage 1 at DC24 V
holding power – at AC maximum2.8 W
holding power – at DC maximum2.9 W

Auxiliary circuit

number of NC contacts for auxiliary contacts1
number of NO contacts for auxiliary contacts1
number of NO contacts of instantaneous short-circuit trip unit for signaling contact1
number of CO contacts of the current-dependent overload release for signaling contact1
operational current of auxiliary contacts at AC-12 maximum10 A
operational current of auxiliary contacts at DC-13 at 250 V0.27 A

Protective and monitoring functions

trip classCLASS 10 and 20 adjustable
operating short-circuit current breaking capacity (Ics) – at 400 V rated value53 kA
operating short-circuit current breaking capacity (Ics) – at 500 V rated value3 kA
operating short-circuit current breaking capacity (Ics) – at 690 V rated value3 kA

UL/CSA ratings

full-load current (FLA) for 3-phase AC motor – at 480 V rated value1.25 A
full-load current (FLA) for 3-phase AC motor – at 600 V rated value1.25 A
yielded mechanical performance [hp] for 3-phase AC motor – at 460/480 V rated value0.5 hp
yielded mechanical performance [hp] for 3-phase AC motor – at 575/600 V rated value0.5 hp
contact rating of auxiliary contacts according to ULcontacts 21-22, 13-14, 43-44 Q600 / A600, contacts 77-78 R300 / B300, contacts 95-96-98 R300 / D300

Short-circuit protection

product function short circuit protectionYes
design of short-circuit protectionelectromagnetic
design of the fuse link – for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 10 A
design of the fuse link – for short-circuit protection of the signaling switch of the short-circuit release required6A gL/gG/400V
design of the fuse link – for short-circuit protection of the signaling switch of the overload release required4A gL/gG/400V

Installation/ mounting/ dimensions

mounting positionany
mounting position recommendedvertical, on horizontal standard DIN rail
fastening methodscrew and snap-on mounting
height170 mm
width45 mm
depth165 mm

Connections/ Terminals

product component removable terminal for main circuitYes
product component removable terminal for auxiliary and control circuitYes
type of electrical connection – for main current circuitscrew-type terminals
type of electrical connection – for auxiliary and control circuitplug-in without terminals
type of connectable conductor cross-sections for main contacts – solid2x (1.5 ... 6 mm²), 1x 10 mm²
type of connectable conductor cross-sections for main contacts – finely stranded with core end processing2x (1.5 ... 6 mm²)
for auxiliary contacts – — solid0.5 ... 4 mm², 2x (0.5 ... 2.5 mm²)
for auxiliary contacts – — finely stranded with core end processing0.5 ... 2.5 mm², 2x (0.5 ... 1.5 mm²)
for auxiliary contacts – for AWG cables for auxiliary contacts2x (20 ... 14)

Safety related data

proportion of dangerous failures – with low demand rate according to SN 3192040 %
proportion of dangerous failures – with high demand rate according to SN 3192050 %
B10 value with high demand rate according to SN 319203 000 000
failure rate [FIT] with low demand rate according to SN 31920100 FIT
T1 value for proof test interval or service life according to IEC 6150820 a
protection class IP on the front according to IEC 60529IP20
touch protection on the front according to IEC 60529finger-safe

Communication/ Protocol

product function bus communicationNo
protocol is supported – AS-Interface protocolNo
protocol is supported – IO-Link protocolNo
product function control circuit interface with IO linkNo

Electromagnetic compatibility

conducted interference – due to burst according to IEC 61000-4-44 kV main contacts, 2 kV auxiliary contacts
conducted interference – due to conductor-earth surge according to IEC 61000-4-54 kV main contacts, 2 kV auxiliary contacts
conducted interference – due to conductor-conductor surge according to IEC 61000-4-52 kV main contacts, 1 kV auxiliary contacts
conducted interference – due to high-frequency radiation according to IEC 61000-4-60.15-80Mhz at 10V
field-based interference according to IEC 61000-4-310 V/m
electrostatic discharge according to IEC 61000-4-28 kV
conducted HF interference emissions according to CISPR11150 kHz ... 30 MHz Class A
field-bound HF interference emission according to CISPR1130 ... 1000 MHz Class A

Supply voltage

Supply voltage required Auxiliary voltageNo

Display

number of LEDs2

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

3RA6120-1BB34: frequently asked questions

When can 3RA6120-1BB34 be shipped?

3RA6120-1BB34 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3RA6120-1BB34 in person?

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