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Siemens 3RA1220-1GB24-0BB4 — Motor Starters

Siemens 3RA1220-1GB24-0BB4

MPN3RA1220-1GB24-0BB4

Load feeder fuseless Reversing operation, 400 V AC Size S0 4.5-6.3 A, 24 V DC Screw terminal Type of coordination 2, Iq = 50 kA!!! Phased-out product!!! Successor is SIRIUS 3RA2 Preferred successor type is >>3RA2220-1GB24-0BB4<<

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RA1220-1GB24-0BB4 — Identification
ParameterValue
Product designationnon-fused load feeder
Main circuit poles3
BrandSIRIUS
Load feeder sizeS0
Product design / constructionreversing starter
Included contactor (type)3RT10 24-1BB40
Included circuit-breaker (type)3RV10 21-1GA10
Included link module (type)3RA19 21-1BA00
Reference designation (IEC 81346-2)Q
3RA1220-1GB24-0BB4 — Ratings & Performance
ParameterValue
Rated motor power at 400 V2.2 kW
Operational current Ie, AC-3 at 400 V5 A
Rated impulse withstand voltage (Uimp)6 kV
Mechanical service life, typ. (switching cycles)10 000 000
3RA1220-1GB24-0BB4 — Protection & Tripping
ParameterValue
Short-circuit protectionYes
Overload release setting range (current)4.5 ... 6.3 A
Duty / utilization type (IEC 60947-6-2)2
3RA1220-1GB24-0BB4 — Contacts & Control
ParameterValue
Control supply voltage typeDC
Auxiliary contacts, NO0
Auxiliary contacts, NC0
Auxiliary switch extensionYes
Switching contact typeelectromechanical
3RA1220-1GB24-0BB4 — Communication
ParameterValue
AS-Interface protocol supportNo
3RA1220-1GB24-0BB4 — Mechanical & Connection
ParameterValue
Main circuit connection typescrew-type terminals
Main contact conductor range (AWG)2x (14 ... 10)
Mounting / fastening methodsnap-on fastening on 35 mm standard rail
Mounting positionhorizontal
Width100 mm
Height220 mm
Depth125 mm
3RA1220-1GB24-0BB4 — Environmental
ParameterValue
Operating temperature range-20 ... +70 °C
Storage temperature range-55 ... +80 °C
Transport temperature range-20 ... +70 °C
Pollution degree3
MPN
3RA1220-1GB24-0BB4