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Siemens 3RT2027-1KA40

power contactor, AC-3e/AC-3, 32 A, 15 kW / 400 V, 3-pole, 12 V DC, 0.7-1.25* Uc, with plugged-in varistor, auxiliary contacts: 1 NO + 1 NC, screw terminal, frame size: S0, suitable for PLC outputs, no auxiliary switch can be added

SiemensMFR # 3RT2027-1KA40SKU # CEY-8EF3B039329C

product brand nameSIRIUS

product designationPower contactor

product type designation3RT2

size of contactorS0

function module for communicationNo

auxiliary switchNo

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About This Product

Siemens 3RT2027-1KA40

Genuine, certified Siemens product
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Specifications

product brand nameSIRIUS

product designationPower contactor

product type designation3RT2

General technical data

size of contactorS0

function module for communicationNo

auxiliary switchNo

at AC in hot operating state6.3 W

at AC in hot operating state per pole2.3 W

without load current share typical4.5 W

type of calculation of power loss current-dependentquadratic

of main circuit with degree of pollution 3 rated value690 V

of auxiliary circuit with degree of pollution 3 rated value690 V

of main circuit rated value6 kV

of auxiliary circuit rated value6 kV

maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1400 V

at DC10g / 5 ms, 7,5g / 10 ms

at DC15 g / 5 ms, 10 g / 10 ms

of contactor typical10 000 000

of the contactor with added electronically optimized auxiliary switch block typical5 000 000

of the contactor with added auxiliary switch block typical10 000 000

reference code according to IEC 81346-2Q

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

Net Weight0.591 kg

Ambient conditions

installation altitude at height above sea level maximum2 000 m

during operation-25 ... +60 °C

during storage-55 ... +80 °C

relative humidity minimum10 %

relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %

Main circuit

number of poles for main current circuit3

number of NO contacts for main contacts3

number of NC contacts for main contacts0

at AC-3 rated value maximum690 V

at AC-3e rated value maximum690 V

at AC-1 at 400 V at ambient temperature 40 °C rated value50 A

— up to 690 V at ambient temperature 40 °C rated value50 A

— up to 690 V at ambient temperature 60 °C rated value42 A

— at 400 V rated value32 A

— at 500 V rated value32 A

— at 690 V rated value21 A

— at 400 V rated value32 A

— at 500 V rated value32 A

— at 690 V rated value21 A

at AC-4 at 400 V rated value22 A

at AC-5a up to 690 V rated value44 A

at AC-5b up to 400 V rated value26.5 A

— up to 230 V for current peak value n=20 rated value30.8 A

— up to 400 V for current peak value n=20 rated value30.8 A

— up to 500 V for current peak value n=20 rated value27 A

— up to 690 V for current peak value n=20 rated value21 A

— up to 230 V for current peak value n=30 rated value20.5 A

— up to 400 V for current peak value n=30 rated value20.5 A

— up to 500 V for current peak value n=30 rated value18 A

— up to 690 V for current peak value n=30 rated value18 A

minimum cross-section in main circuit at maximum AC-1 rated value10 mm²

at 400 V rated value12 A

at 690 V rated value12 A

— at 24 V rated value35 A

— at 60 V rated value20 A

— at 110 V rated value4.5 A

— at 220 V rated value1 A

— at 440 V rated value0.4 A

— at 600 V rated value0.25 A

— at 24 V rated value35 A

— at 60 V rated value35 A

— at 110 V rated value35 A

— at 220 V rated value5 A

— at 440 V rated value1 A

— at 600 V rated value0.8 A

— at 24 V rated value35 A

— at 60 V rated value35 A

— at 110 V rated value35 A

— at 220 V rated value35 A

— at 440 V rated value2.9 A

— at 600 V rated value1.4 A

— at 24 V rated value20 A

— at 60 V rated value5 A

— at 220 V rated value1 A

— at 440 V rated value0.09 A

— at 600 V rated value0.06 A

— at 24 V rated value35 A

— at 60 V rated value35 A

— at 110 V rated value15 A

— at 220 V rated value3 A

— at 440 V rated value0.27 A

— at 600 V rated value0.16 A

— at 24 V rated value35 A

— at 60 V rated value35 A

— at 110 V rated value35 A

— at 220 V rated value10 A

— at 440 V rated value0.6 A

— at 600 V rated value0.6 A

at AC-2 at 400 V rated value15 kW

— at 230 V rated value7.5 kW

— at 400 V rated value15 kW

— at 500 V rated value15 kW

— at 690 V rated value18.5 kW

— at 230 V rated value7.5 kW

— at 400 V rated value15 kW

— at 500 V rated value15 kW

— at 690 V rated value18.5 kW

at 400 V rated value6 kW

at 690 V rated value10.3 kW

up to 230 V for current peak value n=20 rated value12.2 kVA

up to 400 V for current peak value n=20 rated value21.3 kVA

up to 500 V for current peak value n=20 rated value23.3 kVA

up to 690 V for current peak value n=20 rated value25 kVA

up to 230 V for current peak value n=30 rated value8.1 kVA

up to 400 V for current peak value n=30 rated value14.2 kVA

up to 500 V for current peak value n=30 rated value15.5 kVA

up to 690 V for current peak value n=30 rated value21.5 kVA

limited to 1 s switching at zero current maximum499 A; Use minimum cross-section acc. to AC-1 rated value

limited to 5 s switching at zero current maximum341 A; Use minimum cross-section acc. to AC-1 rated value

limited to 10 s switching at zero current maximum260 A; Use minimum cross-section acc. to AC-1 rated value

limited to 30 s switching at zero current maximum199 A; Use minimum cross-section acc. to AC-1 rated value

limited to 60 s switching at zero current maximum162 A; Use minimum cross-section acc. to AC-1 rated value

at DC1 500 1/h

at AC-1 maximum1 000 1/h

at AC-2 maximum750 1/h

at AC-3 maximum750 1/h

— maximum750 1/h

at AC-4 maximum250 1/h

Control circuit/ Control

type of voltage of the control supply voltageDC

control supply voltage at DC rated value12 V

initial value0.7

full-scale value1.25

design of the surge suppressorwith varistor

closing power of magnet coil at DC4.5 W

holding power of magnet coil at DC4.5 W

at DC52 ... 270 ms

at DC19 ... 21 ms

arcing time10 ms

control version of the switch operating mechanismStandard A1 - A2

Auxiliary circuit

number of NC contacts for auxiliary contacts instantaneous contact1

number of NO contacts for auxiliary contacts instantaneous contact1

operational current at AC-12 maximum10 A

at 230 V rated value10 A

at 400 V rated value3 A

at 500 V rated value2 A

at 690 V rated value1 A

at 24 V rated value10 A

at 48 V rated value6 A

at 60 V rated value6 A

at 110 V rated value3 A

at 125 V rated value2 A

at 220 V rated value1 A

at 600 V rated value0.15 A

at 24 V rated value10 A

at 48 V rated value2 A

at 60 V rated value2 A

at 110 V rated value1 A

at 125 V rated value0.9 A

at 220 V rated value0.3 A

at 600 V rated value0.1 A

contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)

UL/CSA ratings

at 480 V rated value27 A

at 600 V rated value27 A

— at 110/120 V rated value2 hp

— at 230 V rated value5 hp

— at 200/208 V rated value10 hp

— at 220/230 V rated value10 hp

— at 460/480 V rated value20 hp

— at 575/600 V rated value25 hp

contact rating of auxiliary contacts according to ULA600 / P600

UL File Number (CCN)E31519 (NLDX, NLDX7)

Short-circuit protection

design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA

— with type of coordination 1 requiredgG: 125 A (690 V,100 kA), aM: 50 A (690 V,100 kA), BS88: 125 A (415 V,80 kA)

— with type of coordination 2 requiredgG: 50 A (690 V, 100 kA), aM: 25 A (690 V, 100 kA), BS88: 50 A (415 V, 80 kA)

for short-circuit protection of the auxiliary switch requiredgG: 10 A (500 V, 1 kA)

Installation/ mounting/ dimensions

mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface

fastening method side-by-side mountingYes

fastening methodscrew and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715

height85 mm

width45 mm

depth107 mm

— forwards10 mm

— upwards10 mm

— downwards10 mm

— at the side0 mm

— forwards10 mm

— upwards10 mm

— at the side6 mm

— downwards10 mm

— forwards10 mm

— upwards10 mm

— downwards10 mm

— at the side6 mm

Connections/ Terminals

for main current circuitscrew-type terminals

for auxiliary and control circuitscrew-type terminals

at contactor for auxiliary contactsScrew-type terminals

of magnet coilscrew terminal

— solid2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)

— solid or stranded2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)

— finely stranded with core end processing2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²

for AWG cables for main contacts2x (16 ... 12), 2x (14 ... 8)

solid1 ... 10 mm²

stranded1 ... 10 mm²

finely stranded with core end processing1 ... 10 mm²

solid or stranded0.5 ... 2.5 mm²

finely stranded with core end processing0.5 ... 2.5 mm²

— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)

— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)

for AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)

AWG number as coded connectable conductor cross section for main contacts16 ... 8

AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14

Safety related data

mirror contact according to IEC 60947-4-1Yes

positively driven operation according to IEC 60947-5-1No

suitable for safety functionYes

suitability for use safety-related switching OFFYes

service life maximum20 a

test wear-related service life necessaryYes

with low demand rate according to SN 3192040 %

with high demand rate according to SN 3192073 %

B10 value with high demand rate according to SN 319201 000 000

failure rate [FIT] with low demand rate according to SN 31920100 FIT

ISO 13849

device type according to ISO 13849-13

overdimensioning according to ISO 13849-2 necessaryYes

IEC 61508

safety device type according to IEC 61508-2Type A

Electrical Safety

protection class IP on the front according to IEC 60529IP20

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

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing2.65 kg

global warming potential [CO2 eq] / during operation219 kg

global warming potential [CO2 eq] / after end of life-0.639 kg

global warming potential [CO2 eq] / total221 kg

Accessories 37

Genuine accessories that can be used with the Siemens 3RT2027-1KA40 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
3RV2925-5AB	Aksesuar · Plugs, adapters and terminals · infeed terminals
3RT2926-3AB31	Aksesuar · Latching blocks · mechanical latching blocks
3RA2922-2H	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RT1926-4BA31	Aksesuar · Wiring modules, connectors and kits · coil connectors
3RA2923-2AA1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RH2914-1GP11	Aksesuar · Coupling links · coupling links
3RT2926-4RB11	Aksesuar · Coil connection modules · coil connection modules
3RT1926-4P	Aksesuar · Miscellaneous accessories · adapters
3RA2923-2BB1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RT2900-1SB10	Aksesuar · Miscellaneous accessories · labeling plates
3RT2926-4RA11	Aksesuar · Coil connection modules · coil connection modules
3RA2926-1A	Aksesuar · Wiring modules, connectors and kits · link modules
3RH2924-1GP11	Aksesuar · Coupling links · coupling links
3RT2916-4MA10	Aksesuar · Sealing covers · sealing covers
3RT2900-1SB20	Aksesuar · Miscellaneous accessories · labeling plates
3RT2926-4MC00	Aksesuar · Miscellaneous accessories · Control Kits
3RT2900-1SB60	Aksesuar · Miscellaneous accessories · labeling plates
3RA2924-2BB1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RA2816-0EW20	Aksesuar
3RT2926-3AF31	Aksesuar · Latching blocks · mechanical latching blocks
3RT2926-3AP31	Aksesuar · Latching blocks · mechanical latching blocks
3RT1926-4RD01	Aksesuar · Miscellaneous accessories · adapters
3RT2926-4RC11	Aksesuar · Coil connection modules · coil connection modules
3RR2242-1FW30	Aksesuar
3RR2142-1AW30	Aksesuar
3RR2442-1AA40	Aksesuar
3RR2242-1FA30	Aksesuar
3RR2142-1AA30	Aksesuar
3RT2926-4BB31	Aksesuar · Terminals · circuit connections
3RT2916-2BL01	Aksesuar · OFF-delay device · OFF-delay device
3RT1900-4RE01	Aksesuar · Miscellaneous accessories · plugs
3RT2916-2BE01	Aksesuar · OFF-delay device · OFF-delay device
3RA2923-3EA1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RA2923-3DA1	Aksesuar · Wiring modules, connectors and kits · wiring kits
3RA2812-1DW10	Aksesuar
3RA2811-1CW10	Aksesuar
3RT2916-2BK01	Aksesuar · OFF-delay device · OFF-delay device