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Key technical specifications are listed on the product page. For the full datasheet, dimensions and compatibility, simply contact Yılsa Engineering.

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Siemens 3RA2120-4DD27-0BB4

Load feeder fuseless, Direct-on-line starting 400 V AC, Size S0 18...25 A 24 V DC screw terminal for 60 mm busbar systems (also fulfills type of coordination 1) Type of coordination 2, Iq = 150 kA 1 NO+1 NC (contactor)

SiemensMFR # 3RA2120-4DD27-0BB4SKU # CEY-8EF3B02EE795

product brand nameSIRIUS

product designationDirect (on-line) starter

design of the productfor 60 mm busbars

product type designation3RA21

of the supplied contactor3RT2027-1BB40

of the supplied circuit-breakers3RV2021-4DA10

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About This Product

Siemens 3RA2120-4DD27-0BB4

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product designationDirect (on-line) starter

design of the productfor 60 mm busbars

product type designation3RA21

of the supplied contactor3RT2027-1BB40

of the supplied circuit-breakers3RV2021-4DA10

of the supplied busbar adapter8US1251-5NT10

of the supplied link module3RA2921-1BA00

General technical data

size of the circuit-breakerS0

size of load feederS0

at AC in hot operating state per pole5.8 W

without load current share typical5.9 W

type of calculation of power loss current-dependentquadratic

insulation voltage with degree of pollution 3 at AC rated value690 V

surge voltage resistance rated value6 kV

degree of protection NEMA ratingother

shock resistance according to IEC 60068-2-276 g / 11 ms

mechanical service life (operating cycles) of contactor typical10 000 000

type of coordination2

reference code according to IEC 81346-2:2019Q

Substance Prohibitance (day/month/year)10/01/2009

Net Weight1.224 kg

Ambient conditions

during operation-20 ... +60 °C

during storage-50 ... +80 °C

during transport-50 ... +80 °C

temperature compensation-20 ... +60 °C

relative humidity during operation10 ... 95 %

Main circuit

number of poles for main current circuit3

design of the switching contactelectromechanical

adjustable current response value current of the current-dependent overload release18 ... 25 A

rated value690 V

at AC-3 rated value maximum690 V

at AC-3e rated value maximum690 V

operating frequency rated value50 ... 60 Hz

at AC-3 at 400 V rated value25 A

at AC-3e at 400 V rated value25 A

— at 400 V rated value11 000 W

Control circuit/ Control

type of voltage of the control supply voltageDC

control supply voltage at DC rated value24 V

holding power of magnet coil at DC5.9 W

Auxiliary circuit

product extension auxiliary switchYes

Protective and monitoring functions

trip classCLASS 10

design of the overload releasethermal (bimetallic)

response value current of instantaneous short-circuit trip unit325 A

UL/CSA ratings

at 480 V rated value25 A

at 600 V rated value25 A

— at 110/120 V rated value2 hp

— at 230 V rated value3 hp

— at 200/208 V rated value7.5 hp

— at 220/230 V rated value7.5 hp

— at 460/480 V rated value20 hp

Short-circuit protection

product function short circuit protectionYes

design of the short-circuit tripmagnetic

at 400 V according to IEC 60947-4-1 rated value150 000 A

Installation/ mounting/ dimensions

mounting positionvertical

fastening methodfor snapping onto 60 mm busbar systems

height260 mm

width45 mm

depth165 mm

— forwards20 mm

— backwards0 mm

— upwards50 mm

— at the side20 mm

— downwards10 mm

— forwards20 mm

— backwards0 mm

— upwards50 mm

— downwards10 mm

— at the side20 mm

Connections/ Terminals

for main current circuitscrew-type terminals

for auxiliary and control circuitscrew-type terminals

Safety related data

product function suitable for safety functionYes

Electrical Safety

touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front

Communication/ Protocol

PROFINET IO protocolNo

PROFIsafe protocolNo

protocol is supported AS-Interface protocolNo

Accessories 10

Genuine accessories that can be used with the Siemens 3RA2120-4DD27-0BB4 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
3RV2901-1D	Aksesuar · Auxiliary switch · auxiliary switches
3RV2901-1E	Aksesuar · Auxiliary switch · auxiliary switches
3RV2901-1A	Aksesuar · Auxiliary switch · auxiliary switches
3RV2902-1AP0	Aksesuar · Auxiliary release · undervoltage releases
3RV2902-1DP0	Aksesuar · Auxiliary release · shunt releases
3RT1900-4RE01	Aksesuar · Miscellaneous accessories · plugs
3RH2911-1BA10	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1MA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH2911-1MA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH2921-1DA11	Aksesuar · Auxiliary switch · auxiliary switches