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Siemens 3RT2026-1AC20

power contactor, AC-3e/AC-3, 25 A, 11 kW / 400 V, 3-pole, 24 V AC, 50/60 Hz, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0

SiemensMFR # 3RT2026-1AC20SKU # CEY-937FC780C296

product brand nameSIRIUS

product designationPower contactor

product type designation3RT2

size of contactorS0

function module for communicationNo

auxiliary switchYes

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About This Product

power contactor, AC-3e/AC-3, 25 A, 11 kW / 400 V, 3-pole, 24 V AC, 50/60 Hz, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0

Siemens 3RT2026-1AC20

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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 switchYes

at AC in hot operating state5.7 W

at AC in hot operating state per pole1.9 W

without load current share typical2.7 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 AC8,3 g / 5 ms, 5,3 g / 10 ms

at AC13,5 g / 5 ms, 8,3 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 Weight389.68 g

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 value40 A

— up to 690 V at ambient temperature 40 °C rated value40 A

— up to 690 V at ambient temperature 60 °C rated value35 A

— at 400 V rated value25 A

— at 500 V rated value18 A

— at 690 V rated value13 A

— at 400 V rated value25 A

— at 500 V rated value18 A

— at 690 V rated value13 A

at AC-4 at 400 V rated value15.5 A

at AC-5a up to 690 V rated value35.2 A

at AC-5b up to 400 V rated value20.7 A

— up to 230 V for current peak value n=20 rated value20.2 A

— up to 400 V for current peak value n=20 rated value20.2 A

— up to 500 V for current peak value n=20 rated value20.2 A

— up to 690 V for current peak value n=20 rated value12.9 A

— up to 230 V for current peak value n=30 rated value13.5 A

— up to 400 V for current peak value n=30 rated value13.5 A

— up to 500 V for current peak value n=30 rated value13.5 A

— up to 690 V for current peak value n=30 rated value13 A

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

at 400 V rated value9 A

at 690 V rated value9 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 230 V rated value5.5 kW

— at 400 V rated value11 kW

— at 500 V rated value11 kW

— at 690 V rated value11 kW

— at 230 V rated value5.5 kW

— at 400 V rated value11 kW

— at 500 V rated value11 kW

— at 690 V rated value11 kW

at 400 V rated value4.4 kW

at 690 V rated value7.7 kW

up to 230 V for current peak value n=20 rated value8 kVA

up to 400 V for current peak value n=20 rated value13.9 kVA

up to 500 V for current peak value n=20 rated value17.4 kVA

up to 690 V for current peak value n=20 rated value15.4 kVA

up to 230 V for current peak value n=30 rated value5.3 kVA

up to 400 V for current peak value n=30 rated value9.3 kVA

up to 500 V for current peak value n=30 rated value11.6 kVA

up to 690 V for current peak value n=30 rated value15.5 kVA

limited to 1 s switching at zero current maximum375 A; Use minimum cross-section acc. to AC-1 rated value

limited to 5 s switching at zero current maximum300 A; Use minimum cross-section acc. to AC-1 rated value

limited to 10 s switching at zero current maximum210 A; Use minimum cross-section acc. to AC-1 rated value

limited to 30 s switching at zero current maximum144 A; Use minimum cross-section acc. to AC-1 rated value

limited to 60 s switching at zero current maximum118 A; Use minimum cross-section acc. to AC-1 rated value

at AC5 000 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 voltageAC

at 50 Hz rated value24 V

at 60 Hz rated value24 V

at 50 Hz0.8 ... 1.1

at 60 Hz0.85 ... 1.1

at 50 Hz81 V·A

at 60 Hz79 V·A

at 50 Hz0.72

at 60 Hz0.74

at 50 Hz10.5 V·A

at 60 Hz8.5 V·A

at 50 Hz0.25

at 60 Hz0.28

at AC8 ... 40 ms

at AC4 ... 16 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 value21 A

at 600 V rated value22 A

— at 110/120 V rated value2 hp

— at 230 V rated value3 hp

— at 200/208 V rated value5 hp

— at 220/230 V rated value7.5 hp

— at 460/480 V rated value15 hp

— at 575/600 V rated value20 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: 100 A (690 V, 100 kA), aM: 50 A (690 V, 100 kA), BS88: 100 A (415 V, 80 kA)

— with type of coordination 2 requiredgG: 35 A (690 V, 100 kA), aM: 20 A (690 V, 100 kA), BS88: 35 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

depth97 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 manufacturing1.9 kg

global warming potential [CO2 eq] / during operation72.4 kg

global warming potential [CO2 eq] / after end of life-0.117 kg

global warming potential [CO2 eq] / total74.2 kg

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Siemens 3RT2026-1AC20

About This Product

Siemens 3RT2026-1AC20

Specifications

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