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Siemens 3RT1055-6LA06

power contactor, AC-3e/AC-3 150 A, 75 kW / 400 V without operating mechanism 3-pole, auxiliary contacts 2 NO + 2 NC without operating mechanism main circuit: busbar control and auxiliary circuit: screw terminal

SiemensMFR # 3RT1055-6LA06SKU # CEY-8EF3B0393F12

product brand nameSIRIUS

product designationPower contactor

product type designation3RT1

size of contactorS6

function module for communicationNo

auxiliary switchYes

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About This Product

Siemens 3RT1055-6LA06

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
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Specifications

product brand nameSIRIUS

product designationPower contactor

product type designation3RT1

General technical data

size of contactorS6

function module for communicationNo

auxiliary switchYes

at AC in hot operating state27 W

at AC in hot operating state per pole9 W

type of calculation of power loss current-dependentquadratic

of main circuit with degree of pollution 3 rated value1 000 V

of auxiliary circuit with degree of pollution 3 rated value500 V

of main circuit rated value8 kV

of auxiliary circuit rated value6 kV

maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1690 V

at AC8,5 g / 5 ms, 4,2 g / 10 ms

at DC8,5 g / 5 ms, 4,2 g / 10 ms

at AC13,4 g / 5 ms, 6,5 g / 10 ms

at DC13,4 g / 5 ms, 6,5 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)05/01/2012

SVHC substance nameLead CAS-No. 7439-92-1

Net Weight2.74 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 maximum1 000 V

at AC-3e rated value maximum1 000 V

at AC-1 at 400 V at ambient temperature 40 °C rated value185 A

— up to 690 V at ambient temperature 40 °C rated value185 A

— up to 690 V at ambient temperature 60 °C rated value160 A

— up to 1000 V at ambient temperature 40 °C rated value90 A

— up to 1000 V at ambient temperature 60 °C rated value90 A

— at 400 V rated value150 A

— at 500 V rated value150 A

— at 690 V rated value150 A

— at 1000 V rated value65 A

— at 400 V rated value150 A

— at 500 V rated value150 A

— at 690 V rated value150 A

— at 1000 V rated value65 A

at AC-4 at 400 V rated value132 A

at AC-5a up to 690 V rated value162 A

at AC-5b up to 400 V rated value124 A

— up to 230 V for current peak value n=20 rated value150 A

— up to 400 V for current peak value n=20 rated value150 A

— up to 500 V for current peak value n=20 rated value150 A

— up to 690 V for current peak value n=20 rated value150 A

— up to 1000 V for current peak value n=20 rated value65 A

— up to 230 V for current peak value n=30 rated value105 A

— up to 400 V for current peak value n=30 rated value105 A

— up to 500 V for current peak value n=30 rated value105 A

— up to 690 V for current peak value n=30 rated value105 A

— up to 1000 V for current peak value n=30 rated value65 A

minimum cross-section in main circuit at maximum AC-1 rated value95 mm²

at 400 V rated value68 A

at 690 V rated value57 A

— at 24 V rated value160 A

— at 60 V rated value160 A

— at 110 V rated value18 A

— at 220 V rated value3.4 A

— at 440 V rated value0.8 A

— at 600 V rated value0.5 A

— at 24 V rated value160 A

— at 60 V rated value160 A

— at 110 V rated value160 A

— at 220 V rated value20 A

— at 440 V rated value3.2 A

— at 600 V rated value1.6 A

— at 24 V rated value160 A

— at 60 V rated value160 A

— at 110 V rated value160 A

— at 220 V rated value160 A

— at 440 V rated value11.5 A

— at 600 V rated value4 A

— at 24 V rated value160 A

— at 60 V rated value7.5 A

— at 220 V rated value0.6 A

— at 440 V rated value0.17 A

— at 600 V rated value0.12 A

— at 24 V rated value160 A

— at 60 V rated value160 A

— at 110 V rated value160 A

— at 220 V rated value2.5 A

— at 440 V rated value0.65 A

— at 600 V rated value0.37 A

— at 24 V rated value160 A

— at 60 V rated value160 A

— at 110 V rated value160 A

— at 220 V rated value160 A

— at 440 V rated value1.4 A

— at 600 V rated value0.75 A

— at 230 V rated value45 kW

— at 400 V rated value75 kW

— at 500 V rated value90 kW

— at 690 V rated value132 kW

— at 1000 V rated value90 kW

— at 230 V rated value45 kW

— at 400 V rated value75 kW

— at 500 V rated value90 kW

— at 690 V rated value132 kW

— at 1000 V rated value90 kW

at 400 V rated value38 kW

at 690 V rated value55 kW

up to 230 V for current peak value n=20 rated value60 kVA

up to 400 V for current peak value n=20 rated value100 kVA

up to 500 V for current peak value n=20 rated value130 kVA

up to 690 V for current peak value n=20 rated value170 kVA

up to 1000 V for current peak value n=20 rated value110 kVA

up to 230 V for current peak value n=30 rated value40 kVA

up to 400 V for current peak value n=30 rated value70 kVA

up to 500 V for current peak value n=30 rated value90 kVA

up to 690 V for current peak value n=30 rated value120 kVA

up to 1000 V for current peak value n=30 rated value110 kVA

limited to 1 s switching at zero current maximum2 727 A; Use minimum cross-section acc. to AC-1 rated value

limited to 5 s switching at zero current maximum1 831 A; Use minimum cross-section acc. to AC-1 rated value

limited to 10 s switching at zero current maximum1 300 A; Use minimum cross-section acc. to AC-1 rated value

limited to 30 s switching at zero current maximum850 A; Use minimum cross-section acc. to AC-1 rated value

limited to 60 s switching at zero current maximum703 A; Use minimum cross-section acc. to AC-1 rated value

at AC2 000 1/h

at DC2 000 1/h

at AC-1 maximum800 1/h

at AC-2 maximum300 1/h

at AC-3 maximum750 1/h

— maximum750 1/h

at AC-4 maximum130 1/h

Control circuit/ Control

type of voltage of the control supply voltageAC

at AC20 ... 95 ms

at DC20 ... 95 ms

at AC40 ... 60 ms

at DC40 ... 60 ms

arcing time10 ... 15 ms

control version of the switch operating mechanismWithout operating mechanism

Auxiliary circuit

number of NC contacts for auxiliary contacts instantaneous contact2

number of NO contacts for auxiliary contacts instantaneous contact2

operational current at AC-12 maximum10 A

at 230 V rated value6 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 value156 A

at 600 V rated value144 A

— at 230 V rated value30 hp

— at 200/208 V rated value50 hp

— at 220/230 V rated value60 hp

— at 460/480 V rated value125 hp

— at 575/600 V rated value150 hp

contact rating of auxiliary contacts according to ULA600 / Q600

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: 355 A (690 V, 100 kA)

— with type of coordination 2 requiredgG: 315 A (690 V, 100 kA), aM: 200 A (690 V, 50 kA), BS88: 315 A (415 V, 50 kA)

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

Installation/ mounting/ dimensions

mounting positionwith vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back

fastening method side-by-side mountingYes

fastening methodscrew fixing

height172 mm

width120 mm

depth170 mm

— forwards20 mm

— upwards10 mm

— downwards10 mm

— at the side0 mm

— forwards20 mm

— upwards10 mm

— at the side10 mm

— downwards10 mm

— forwards20 mm

— upwards10 mm

— downwards10 mm

— at the side10 mm

Connections/ Terminals

for main current circuitConnection bar

for auxiliary and control circuitscrew-type terminals

at contactor for auxiliary contactsScrew-type terminals

of magnet coilscrew terminal

width of connection bar17 mm

thickness of connection bar3 mm

diameter of holes9 mm

number of holes1

for AWG cables for main contacts4 ... 250 kcmil

stranded25 ... 120 mm²

solid or stranded0.5 ... 4 mm²

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

— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)

— solid or stranded2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 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), 1x 12

AWG number as coded connectable conductor cross section for auxiliary contacts18 ... 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 60529IP00; IP20 with box terminal/cover

touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front with box terminal/cover

Accessories 44

Genuine accessories that can be used with the Siemens 3RT1055-6LA06 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
3RH1921-1CA10	Aksesuar · Auxiliary switch · auxiliary switches
3RH1921-1CA01	Aksesuar · Auxiliary switch · auxiliary switches
3RT1956-4EA1	Aksesuar · Terminal covers · terminal covers
3RT1955-4G	Aksesuar · Terminal covers · box terminal blocks
3RT1956-4EA2	Aksesuar · Terminal covers · terminal covers
3RH1921-1DA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH1921-1EA11	Aksesuar · Auxiliary switch · auxiliary switches
3RA1953-3D	Aksesuar · Wiring modules, connectors and kits · link rails
3RT1956-4G	Aksesuar · Terminal covers · box terminal blocks
3RA1954-2A	Aksesuar · Mechanical interlocks · mechanical interlocks
3RH1921-1XA22-0MA0	Aksesuar · Auxiliary switch · auxiliary switches
3RH1921-1KA11	Aksesuar · Auxiliary switch · auxiliary switches
3RH1921-1EA02	Aksesuar · Auxiliary switch · auxiliary switches
3TX6526-3B	Aksesuar · Terminal covers · terminal covers
3RA1932-2D	Aksesuar · Mechanical interlocks · mechanical connectors
3RH1921-1EA20	Aksesuar · Auxiliary switch · auxiliary switches
3RH1921-1JA11	Aksesuar · Auxiliary switch · auxiliary switches
3RT1956-4BA31	Aksesuar · Wiring modules, connectors and kits · coil connectors
3RT1956-4EA3	Aksesuar · Terminal covers · terminal covers
3TX7500-0A	Aksesuar · Plugs, adapters and terminals · auxiliary conductor terminals
3RA1952-2A	Aksesuar · Base plates · base plates
3RA1952-2E	Aksesuar · Base plates · base plates
3RT2900-1SB10	Aksesuar · Miscellaneous accessories · labeling plates
3RT2900-1SB20	Aksesuar · Miscellaneous accessories · labeling plates
3RT2900-1SB60	Aksesuar · Miscellaneous accessories · labeling plates
3RT2926-1QT00	Aksesuar · LED modules · LED display indicator modules
3RT1956-4EA4	Aksesuar · Terminal covers · terminal covers
3RA1954-2G	Aksesuar · Mechanical interlocks · mechanical connectors
3RA1953-2A	Aksesuar · Wiring modules, connectors and kits · link rails
3RT1916-4JA02	Aksesuar · Miscellaneous accessories · insulation stops
3RH1921-1KA20	Aksesuar · Auxiliary switch · auxiliary switches
3RA1953-2B	Aksesuar · Wiring modules, connectors and kits · link rails
3RH1921-1CD01	Aksesuar · Auxiliary switch · auxiliary switches
3RT1926-4MA10	Aksesuar · Sealing covers · sealing covers
3RA1953-3G	Aksesuar · Wiring modules, connectors and kits · link rails
3RH1921-1KA02	Aksesuar · Auxiliary switch · auxiliary switches
3RA1953-2N	Aksesuar · Wiring modules, connectors and kits · link rails
3RA1963-3E	Aksesuar · Wiring modules, connectors and kits · link rails
3RH1921-1CD10	Aksesuar · Auxiliary switch · auxiliary switches
3RA1952-2F	Aksesuar · Base plates · base plates
3RT1955-4PA00	Aksesuar · Terminal covers · connection methods
3RA1953-3P	Aksesuar · Wiring modules, connectors and kits · link rails
3RT1955-6A	Yedek parça · Contact pieces and vacuum interrupters · contacts
3RT1955-7A	Yedek parça · Arc chutes · arc chutes