Article number | 3RT2028-4AR60 | 3RT2028-1AR60 | |
power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 400 V AC, 50 Hz / 400-440 V, 60 Hz, auxiliary contacts: 1 NO + 1 NC, ring cable lug connection, size: S0 | power contactor, AC-3e/AC-3, 38 A, 18.5 kW / 400 V, 3-pole, 400 V AC, 50 Hz / 400-440 V, 60 Hz, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0 | ||
product brand name | SIRIUS | ||
product designation | Power contactor | ||
product type designation | 3RT2 | ||
General technical data | |||
size of contactor | S0 | ||
product extension | |||
● function module for communication | No | ||
● auxiliary switch | Yes | ||
power loss [W] for rated value of the current | |||
● at AC in hot operating state | 9.6 W | ||
● at AC in hot operating state per pole | 3.2 W | ||
● without load current share typical | 2.7 W | ||
type of calculation of power loss depending on pole | quadratic | ||
insulation voltage | |||
● of main circuit with degree of pollution 3 rated value | 690 V | ||
● of auxiliary circuit with degree of pollution 3 rated value | 690 V | ||
surge voltage resistance | |||
● of main circuit rated value | 6 kV | ||
● of auxiliary circuit rated value | 6 kV | ||
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1 | 400 V | ||
shock resistance at rectangular impulse | |||
● at AC | 8,3g / 5 ms, 5,3g / 10 ms | ||
shock resistance with sine pulse | |||
● at AC | 13,5g / 5 ms, 8,3g / 10 ms | ||
mechanical service life (operating cycles) | |||
● of contactor typical | 10 000 000 | ||
● of the contactor with added electronically optimized auxiliary switch block typical | 5 000 000 | ||
● of the contactor with added auxiliary switch block typical | 10 000 000 | ||
reference code according to IEC 81346-2 | Q | ||
Substance Prohibitance (Date) | 10/01/2009 | ||
Weight | 0.397 kg | 0.42 kg | |
Ambient conditions | |||
installation altitude at height above sea level maximum | 2 000 m | ||
ambient temperature | |||
● during operation | -25 ... +60 °C | ||
● during storage | -55 ... +80 °C | ||
relative humidity minimum | 10 % | ||
relative humidity at 55 °C according to IEC 60068-2-30 maximum | 95 % | ||
Environmental footprint | |||
Environmental Product Declaration(EPD) | Yes | ||
Global Warming Potential [CO2 eq] total | 74.2 kg | ||
Global Warming Potential [CO2 eq] during manufacturing | 1.9 kg | ||
Global Warming Potential [CO2 eq] during operation | 72.4 kg | ||
Global Warming Potential [CO2 eq] after end of life | -0.117 kg | ||
Main circuit | |||
number of poles for main current circuit | 3 | ||
number of NO contacts for main contacts | 3 | ||
operating voltage | |||
● at AC-3 rated value maximum | 690 V | ||
● at AC-3e rated value maximum | 690 V | ||
operational current | |||
● at AC-1 at 400 V at ambient temperature 40 °C rated value | 50 A | ||
● at AC-1 | |||
— up to 690 V at ambient temperature 40 °C rated value | 50 A | ||
— up to 690 V at ambient temperature 60 °C rated value | 42 A | ||
● at AC-3 | |||
— at 400 V rated value | 38 A | ||
— at 500 V rated value | 32 A | ||
— at 690 V rated value | 21 A | ||
● at AC-3e | |||
— at 400 V rated value | 38 A | ||
— at 500 V rated value | 32 A | ||
— at 690 V rated value | 21 A | ||
● at AC-4 at 400 V rated value | 22 A | ||
● at AC-5a up to 690 V rated value | 44 A | ||
● at AC-5b up to 400 V rated value | 31.5 A | ||
● at AC-6a | |||
— up to 230 V for current peak value n=20 rated value | 30.8 A | ||
— up to 400 V for current peak value n=20 rated value | 30.8 A | ||
— up to 500 V for current peak value n=20 rated value | 30.8 A | ||
— up to 690 V for current peak value n=20 rated value | 21 A | ||
● at AC-6a | |||
— up to 230 V for current peak value n=30 rated value | 20.5 A | ||
— up to 400 V for current peak value n=30 rated value | 20.5 A | ||
— up to 500 V for current peak value n=30 rated value | 21.4 A | ||
— up to 690 V for current peak value n=30 rated value | 21 A | ||
minimum cross-section in main circuit at maximum AC-1 rated value | 10 mm² | ||
operational current for approx. 200000 operating cycles at AC-4 | |||
● at 400 V rated value | 12 A | ||
● at 690 V rated value | 12 A | ||
operational current | |||
● at 1 current path at DC-1 | |||
— at 24 V rated value | 35 A | ||
— at 60 V rated value | 20 A | ||
— at 110 V rated value | 4.5 A | ||
— at 220 V rated value | 1 A | ||
— at 440 V rated value | 0.4 A | ||
— at 600 V rated value | 0.25 A | ||
● with 2 current paths in series at DC-1 | |||
— at 24 V rated value | 35 A | ||
— at 60 V rated value | 35 A | ||
— at 110 V rated value | 35 A | ||
— at 220 V rated value | 5 A | ||
— at 440 V rated value | 1 A | ||
— at 600 V rated value | 0.8 A | ||
● with 3 current paths in series at DC-1 | |||
— at 24 V rated value | 35 A | ||
— at 60 V rated value | 35 A | ||
— at 110 V rated value | 35 A | ||
— at 220 V rated value | 35 A | ||
— at 440 V rated value | 2.9 A | ||
— at 600 V rated value | 1.4 A | ||
● at 1 current path at DC-3 at DC-5 | |||
— at 24 V rated value | 20 A | ||
— at 60 V rated value | 5 A | ||
— at 220 V rated value | 1 A | ||
— at 440 V rated value | 0.09 A | ||
— at 600 V rated value | 0.06 A | ||
● with 2 current paths in series at DC-3 at DC-5 | |||
— at 24 V rated value | 35 A | ||
— at 60 V rated value | 35 A | ||
— at 110 V rated value | 15 A | ||
— at 220 V rated value | 3 A | ||
— at 440 V rated value | 0.27 A | ||
— at 600 V rated value | 0.16 A | ||
● with 3 current paths in series at DC-3 at DC-5 | |||
— at 24 V rated value | 35 A | ||
— at 60 V rated value | 35 A | ||
— at 110 V rated value | 35 A | ||
— at 220 V rated value | 10 A | ||
— at 440 V rated value | 0.6 A | ||
— at 600 V rated value | 0.6 A | ||
operating power | |||
● at AC-2 at 400 V rated value | 18.5 kW | ||
● at AC-3 | |||
— at 230 V rated value | 11 kW | ||
— at 400 V rated value | 18.5 kW | ||
— at 500 V rated value | 18.5 kW | ||
— at 690 V rated value | 18.5 kW | ||
● at AC-3e | |||
— at 230 V rated value | 11 kW | ||
— at 400 V rated value | 18.5 kW | ||
— at 500 V rated value | 18.5 kW | ||
— at 690 V rated value | 18.5 kW | ||
operating power for approx. 200000 operating cycles at AC-4 | |||
● at 400 V rated value | 6 kW | ||
● at 690 V rated value | 10.3 kW | ||
operating apparent power at AC-6a | |||
● up to 230 V for current peak value n=20 rated value | 12.2 kVA | ||
● up to 400 V for current peak value n=20 rated value | 21.3 kVA | ||
● up to 500 V for current peak value n=20 rated value | 26.6 kVA | ||
● up to 690 V for current peak value n=20 rated value | 25 kVA | ||
operating apparent power at AC-6a | |||
● up to 230 V for current peak value n=30 rated value | 8.1 kVA | ||
● up to 400 V for current peak value n=30 rated value | 14.2 kVA | ||
● up to 500 V for current peak value n=30 rated value | 18.5 kVA | ||
● up to 690 V for current peak value n=30 rated value | 25 kVA | ||
short-time withstand current in cold operating state up to 40 °C | |||
● limited to 1 s switching at zero current maximum | 593 A; Use minimum cross-section acc. to AC-1 rated value | ||
● limited to 5 s switching at zero current maximum | 341 A; Use minimum cross-section acc. to AC-1 rated value | ||
● limited to 10 s switching at zero current maximum | 260 A; Use minimum cross-section acc. to AC-1 rated value | ||
● limited to 30 s switching at zero current maximum | 199 A; Use minimum cross-section acc. to AC-1 rated value | ||
● limited to 60 s switching at zero current maximum | 162 A; Use minimum cross-section acc. to AC-1 rated value | ||
no-load switching frequency | |||
● at AC | 5 000 1/h | ||
operating frequency | |||
● at AC-1 maximum | 1 000 1/h | ||
● at AC-2 maximum | 750 1/h | ||
● at AC-3 maximum | 750 1/h | ||
● at AC-3e maximum | 750 1/h | ||
● at AC-4 maximum | 250 1/h | ||
Control circuit/ Control | |||
type of voltage of the control supply voltage | AC | ||
control supply voltage at AC | |||
● at 50 Hz rated value | 400 V | ||
● at 60 Hz rated value | 440 V | ||
operating range factor control supply voltage rated value of magnet coil at AC | |||
● at 50 Hz | 0.8 ... 1.1 | ||
● at 60 Hz | 0.85 ... 1.1 | ||
apparent pick-up power of magnet coil at AC | |||
● at 50 Hz | 81 VA | ||
● at 60 Hz | 79 VA | ||
inductive power factor with closing power of the coil | |||
● at 50 Hz | 0.72 | ||
● at 60 Hz | 0.74 | ||
apparent holding power | |||
● at minimum rated control supply voltage at AC | |||
— at 60 Hz | 10.5 VA | ||
● at maximum rated control supply voltage at AC | |||
— at 60 Hz | 8.5 VA | ||
apparent holding power of magnet coil at AC | |||
● at 50 Hz | 10.5 VA | ||
● at 60 Hz | 8.5 VA | ||
inductive power factor with the holding power of the coil | |||
● at 50 Hz | 0.25 | ||
● at 60 Hz | 0.28 | ||
closing delay | |||
● at AC | 8 ... 40 ms | ||
opening delay | |||
● at AC | 4 ... 16 ms | ||
arcing time | 10 ... 10 ms | ||
control version of the switch operating mechanism | Standard A1 - A2 | ||
Auxiliary circuit | |||
number of NC contacts for auxiliary contacts instantaneous contact | 1 | ||
number of NO contacts for auxiliary contacts instantaneous contact | 1 | ||
operational current at AC-12 maximum | 10 A | ||
operational current at AC-15 | |||
● at 230 V rated value | 10 A | ||
● at 400 V rated value | 3 A | ||
● at 500 V rated value | 2 A | ||
● at 690 V rated value | 1 A | ||
operational current at DC-12 | |||
● at 24 V rated value | 10 A | ||
● at 48 V rated value | 6 A | ||
● at 60 V rated value | 6 A | ||
● at 110 V rated value | 3 A | ||
● at 125 V rated value | 2 A | ||
● at 220 V rated value | 1 A | ||
● at 600 V rated value | 0.15 A | ||
operational current at DC-13 | |||
● at 24 V rated value | 10 A | ||
● at 48 V rated value | 2 A | ||
● at 60 V rated value | 2 A | ||
● at 110 V rated value | 1 A | ||
● at 125 V rated value | 0.9 A | ||
● at 220 V rated value | 0.3 A | ||
● at 600 V rated value | 0.1 A | ||
contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) | ||
UL/CSA ratings | |||
full-load current (FLA) for 3-phase AC motor | |||
● at 480 V rated value | 34 A | ||
● at 600 V rated value | 27 A | ||
yielded mechanical performance [hp] | |||
● for single-phase AC motor | |||
— at 110/120 V rated value | 3 hp | ||
— at 230 V rated value | 5 hp | ||
● for 3-phase AC motor | |||
— at 200/208 V rated value | 10 hp | ||
— at 220/230 V rated value | 10 hp | ||
— at 460/480 V rated value | 25 hp | ||
— at 575/600 V rated value | 25 hp | ||
contact rating of auxiliary contacts according to UL | A600 / P600 | ||
Short-circuit protection | |||
design of the fuse link | |||
● for short-circuit protection of the main circuit | |||
— with type of coordination 1 required | gG: 125A (690V,100kA), aM: 50A (690V,100kA), BS88: 125A (415V,80kA) | ||
— with type of assignment 2 required | gG: 50A (690V,100kA), aM: 25A (690V, 100kA), BS88: 50A (415V, 80kA) | ||
● for short-circuit protection of the auxiliary switch required | gG: 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 mounting | Yes | ||
fastening method | screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 60715 | ||
height | 85 mm | ||
width | 45 mm | ||
depth | 97 mm | ||
required spacing | |||
● with side-by-side mounting | |||
— forwards | 10 mm | ||
— upwards | 10 mm | ||
— downwards | 10 mm | ||
— at the side | 0 mm | ||
● for grounded parts | |||
— forwards | 10 mm | ||
— upwards | 10 mm | ||
— at the side | 6 mm | ||
— downwards | 10 mm | ||
● for live parts | |||
— forwards | 10 mm | ||
— upwards | 10 mm | ||
— downwards | 10 mm | ||
— at the side | 6 mm | ||
Connections/ Terminals | |||
type of electrical connection | |||
● for main current circuit | Ring cable lug connection | screw-type terminals | |
● for auxiliary and control circuit | ring terminal lug connection | screw-type terminals | |
● at contactor for auxiliary contacts | Ring cable lug connection | Screw-type terminals | |
● of magnet coil | Ring cable lug connection | Screw-type terminals | |
type of connectable conductor cross-sections | |||
● for main contacts | |||
— solid | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) | ||
— solid or stranded | 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) | ||
— finely stranded with core end processing | 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² | ||
● for AWG cables for main contacts | 2x (16 ... 12), 2x (14 ... 8) | ||
connectable conductor cross-section for main contacts | |||
● solid | 1 ... 10 mm² | ||
● stranded | 1 ... 10 mm² | ||
● finely stranded with core end processing | 1 ... 10 mm² | ||
connectable conductor cross-section for auxiliary contacts | |||
● solid or stranded | 0.5 ... 2.5 mm² | ||
● finely stranded with core end processing | 0.5 ... 2.5 mm² | ||
type of connectable conductor cross-sections | |||
● for auxiliary contacts | |||
— solid or stranded | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) | ||
— finely stranded with core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) | ||
● for AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14) | ||
AWG number as coded connectable conductor cross section | |||
● for main contacts | 16 ... 8 | ||
● for auxiliary contacts | 20 ... 14 | ||
Safety related data | |||
product function | |||
● mirror contact according to IEC 60947-4-1 | Yes | ||
● positively driven operation according to IEC 60947-5-1 | No | ||
● suitable for safety function | Yes | ||
suitability for use safety-related switching OFF | Yes | ||
service life maximum | 20 a | ||
test wear-related service life necessary | Yes | ||
proportion of dangerous failures | |||
● with low demand rate according to SN 31920 | 40 % | ||
● with high demand rate according to SN 31920 | 73 % | ||
B10 value with high demand rate according to SN 31920 | 1 000 000 | ||
failure rate [FIT] with low demand rate according to SN 31920 | 100 FIT | ||
ISO 13849 | |||
device type according to ISO 13849-1 | 3 | ||
overdimensioning according to ISO 13849-2 necessary | Yes | ||
IEC 61508 | |||
safety device type according to IEC 61508-2 | Type A | ||
Electrical Safety | |||
protection class IP on the front according to IEC 60529 | IP00 | IP20 | |
touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front | ||
Approvals Certificates | |||
General Product Approval | |||
CCC | Yes | Yes | |
EU declaration of conformity | Yes | Yes | |
UK Declaration of Conformity | Yes | Yes | |
CCC | Yes | Yes | |
Confirmation | Yes | Yes | |
UL | Yes | Yes | |
KC | Yes | Yes | |
EAC | Yes | Yes | |
EMV | |||
RCM | Yes | Yes | |
Test Certificates | |||
Type Test Certificates/Test Report | Yes | Yes | |
Special Test Certificate | Yes | Yes | |
Marine / Shipping | |||
ABS (American Bureau of Shipping) | Yes | Yes | |
BV (Bureau Veritas) | Yes | Yes | |
DNV (Det Norske Veritas) | Yes | Yes | |
PRS (Polski Register of Shipping) | Yes | Yes | |
RINA (Registro Italiano Navale) | Yes | Yes | |
RMRS (Russian Maritime Register) | Yes | Yes | |
other | |||
Miscellaneous | Yes | Yes | |
Confirmation | Yes | Yes | |
Confirmation | Yes | Yes | |
Railway | |||
Special Test Certificate | Yes | Yes | |
Environment | |||
EPD Typ II/III (with life cylce assessment) | Yes | Yes | |
Environmental Confirmations | Yes | Yes | |
Further information | |||
Information on the packaging
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Information- and Downloadcenter (Catalogs, Brochures,…)
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Industry Mall (Online ordering system)
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Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
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Characteristic: Tripping characteristics, I²t, Let-through current
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Further characteristics (e.g. electrical endurance, switching frequency)
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last modified: | 7/19/2024 | ||
Date 11/9/2024 |
Subject to change without notice © Copyright Siemens 2024 |