power contactor, AC-3 95 A, 45 kW / 400 V 1 NO + 1 NC, 110 V AC, 50 Hz 120 V/60 Hz 3-pole, 3 NO, Size S3 Spring-type terminal |
product brand name | SIRIUS |
product designation | Power contactor |
product type designation | 3RT2 |
General technical data |
size of contactor | S3 |
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 | 19.8 W |
● at AC in hot operating state per pole | 6.6 W |
● without load current share typical | 22 W |
insulation voltage | |
● of main circuit with degree of pollution 3 rated value | 1 000 V |
● of auxiliary circuit with degree of pollution 3 rated value | 690 V |
surge voltage resistance | |
● of main circuit rated value | 8 kV |
● of auxiliary circuit rated value | 6 kV |
maximum permissible voltage for safe isolation between coil and main contacts according to EN 60947-1 | 690 V |
shock resistance at rectangular impulse | |
● at AC | 6.7 g / 5 ms, 4.0 g / 10 ms |
shock resistance with sine pulse | |
● at AC | 10.6 g / 5 ms, 6.3 g / 10 ms |
mechanical service life (switching 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) | 03/01/2017 |
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 % |
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 | 1 000 V |
● at AC-3e rated value maximum | 1 000 V |
operational current | |
● at AC-1 at 400 V at ambient temperature 40 °C rated value | 130 A |
● at AC-1 | |
— up to 690 V at ambient temperature 40 °C rated value | 130 A |
— up to 690 V at ambient temperature 60 °C rated value | 110 A |
● at AC-3 | |
— at 400 V rated value | 95 A |
— at 500 V rated value | 95 A |
— at 690 V rated value | 78 A |
— at 1000 V rated value | 30 A |
● at AC-3e | |
— at 400 V rated value | 95 A |
— at 500 V rated value | 95 A |
— at 690 V rated value | 78 A |
— at 1000 V rated value | 30 A |
● at AC-4 at 400 V rated value | 80 A |
● at AC-5a up to 690 V rated value | 114 A |
● at AC-5b up to 400 V rated value | 95 A |
● at AC-6a | |
— up to 230 V for current peak value n=20 rated value | 84.4 A |
— up to 400 V for current peak value n=20 rated value | 84.4 A |
— up to 500 V for current peak value n=20 rated value | 84.4 A |
— up to 690 V for current peak value n=20 rated value | 58 A |
● at AC-6a | |
— up to 230 V for current peak value n=30 rated value | 56.3 A |
— up to 400 V for current peak value n=30 rated value | 56.3 A |
— up to 500 V for current peak value n=30 rated value | 56.3 A |
— up to 690 V for current peak value n=30 rated value | 56.3 A |
minimum cross-section in main circuit at maximum AC-1 rated value | 50 mm² |
operational current for approx. 200000 operating cycles at AC-4 | |
● at 400 V rated value | 42 A |
● at 690 V rated value | 30 A |
operational current | |
● at 1 current path at DC-1 | |
— at 24 V rated value | 100 A |
— at 110 V rated value | 9 A |
— at 220 V rated value | 2 A |
— at 440 V rated value | 0.6 A |
— at 600 V rated value | 0.4 A |
● with 2 current paths in series at DC-1 | |
— at 24 V rated value | 100 A |
— at 110 V rated value | 100 A |
— at 220 V rated value | 10 A |
— at 440 V rated value | 1.8 A |
— at 600 V rated value | 1 A |
● with 3 current paths in series at DC-1 | |
— at 24 V rated value | 100 A |
— at 110 V rated value | 100 A |
— at 220 V rated value | 80 A |
— at 440 V rated value | 4.5 A |
— at 600 V rated value | 2.6 A |
● at 1 current path at DC-3 at DC-5 | |
— at 24 V rated value | 40 A |
— at 110 V rated value | 2.5 A |
— at 220 V rated value | 1 A |
— at 440 V rated value | 0.15 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 | 100 A |
— at 110 V rated value | 100 A |
— at 220 V rated value | 7 A |
— at 440 V rated value | 0.42 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 | 100 A |
— at 110 V rated value | 100 A |
— at 220 V rated value | 35 A |
— at 440 V rated value | 0.8 A |
— at 600 V rated value | 0.35 A |
operating power | |
● at AC-2 at 400 V rated value | 45 kW |
● at AC-3 | |
— at 230 V rated value | 22 kW |
— at 400 V rated value | 45 kW |
— at 500 V rated value | 55 kW |
— at 690 V rated value | 75 kW |
— at 1000 V rated value | 37 kW |
● at AC-3e | |
— at 230 V rated value | 22 kW |
— at 400 V rated value | 45 kW |
— at 500 V rated value | 55 kW |
— at 690 V rated value | 75 kW |
— at 1000 V rated value | 37 kW |
operating power for approx. 200000 operating cycles at AC-4 | |
● at 400 V rated value | 22 kW |
● at 690 V rated value | 27.4 kW |
operating apparent power at AC-6a | |
● up to 230 V for current peak value n=20 rated value | 33 kVA |
● up to 400 V for current peak value n=20 rated value | 58 kVA |
● up to 500 V for current peak value n=20 rated value | 73 kVA |
● up to 690 V for current peak value n=20 rated value | 69 kVA |
operating apparent power at AC-6a | |
● up to 230 V for current peak value n=30 rated value | 22.4 kVA |
● up to 400 V for current peak value n=30 rated value | 39 kVA |
● up to 500 V for current peak value n=30 rated value | 48.7 kVA |
● up to 690 V for current peak value n=30 rated value | 67.3 kVA |
short-time withstand current in cold operating state up to 40 °C | |
● limited to 1 s switching at zero current maximum | 1 725 A; Use minimum cross-section acc. to AC-1 rated value |
● limited to 5 s switching at zero current maximum | 1 297 A; Use minimum cross-section acc. to AC-1 rated value |
● limited to 10 s switching at zero current maximum | 946 A; Use minimum cross-section acc. to AC-1 rated value |
● limited to 30 s switching at zero current maximum | 610 A; Use minimum cross-section acc. to AC-1 rated value |
● limited to 60 s switching at zero current maximum | 486 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 | 900 1/h |
● at AC-2 maximum | 350 1/h |
● at AC-3 maximum | 850 1/h |
● at AC-3e maximum | 850 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 | 110 V |
● at 60 Hz rated value | 120 V |
operating range factor control supply voltage rated value of magnet coil at AC | |
● at 50 Hz | 0.8 ... 1.1 |
● at 60 Hz | 0.8 ... 1.1 |
apparent pick-up power of magnet coil at AC | |
● at 50 Hz | 326 VA |
● at 60 Hz | 326 VA |
inductive power factor with closing power of the coil | |
● at 50 Hz | 0.62 |
● at 60 Hz | 0.55 |
apparent holding power of magnet coil at AC | |
● at 50 Hz | 22 VA |
● at 60 Hz | 22 VA |
inductive power factor with the holding power of the coil | |
● at 50 Hz | 0.36 |
● at 60 Hz | 0.4 |
closing delay | |
● at AC | 13 ... 50 ms |
opening delay | |
● at AC | 10 ... 21 ms |
arcing time | 10 ... 20 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 | 6 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 | 96 A |
● at 600 V rated value | 77 A |
yielded mechanical performance [hp] | |
● for single-phase AC motor | |
— at 110/120 V rated value | 10 hp |
— at 230 V rated value | 20 hp |
● for 3-phase AC motor | |
— at 200/208 V rated value | 30 hp |
— at 220/230 V rated value | 30 hp |
— at 460/480 V rated value | 75 hp |
— at 575/600 V rated value | 75 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: 250 A (690 V, 100 kA), aM: 160 A (690 V, 100 kA), BS88: 200 A (415 V, 80 kA) |
— with type of assignment 2 required | gG: 160 A (690 V, 100 kA), aM: 100 A (690 V, 100 kA), BS88: 125 A (415 V, 80 kA) |
● 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 | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
● side-by-side mounting | Yes |
height | 140 mm |
width | 70 mm |
depth | 152 mm |
required spacing | |
● with side-by-side mounting | |
— forwards | 20 mm |
— upwards | 10 mm |
— downwards | 10 mm |
— at the side | 0 mm |
● for grounded parts | |
— forwards | 20 mm |
— upwards | 10 mm |
— at the side | 10 mm |
— downwards | 10 mm |
● for live parts | |
— forwards | 20 mm |
— upwards | 10 mm |
— downwards | 10 mm |
— at the side | 10 mm |
Connections/ Terminals |
type of electrical connection | |
● for main current circuit | screw-type terminals |
● for auxiliary and control circuit | spring-loaded terminals |
● at contactor for auxiliary contacts | Spring-type terminals |
● of magnet coil | Spring-type terminals |
type of connectable conductor cross-sections | |
● for main contacts | |
— finely stranded with core end processing | 2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
● at AWG cables for main contacts | 2x (10 ... 1/0), 1x (10 ... 2) |
connectable conductor cross-section for main contacts | |
● solid | 2.5 ... 16 mm² |
● stranded | 6 ... 70 mm² |
● finely stranded with core end processing | 2.5 ... 50 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 |
● finely stranded without core end processing | 0.5 ... 2.5 mm² |
type of connectable conductor cross-sections | |
● for auxiliary contacts | |
— solid or stranded | 2x (0.5 ... 2.5 mm²) |
— finely stranded with core end processing | 2x (0.5 ... 1.5 mm²) |
— finely stranded without core end processing | 2x (0.5 ... 2.5 mm²) |
● at AWG cables for auxiliary contacts | 2x (20 ... 16) |
AWG number as coded connectable conductor cross section | |
● for main contacts | 10 ... 2 |
● 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 |
B10 value with high demand rate according to SN 31920 | 1 000 000 |
proportion of dangerous failures | |
● with low demand rate according to SN 31920 | 40 % |
● with high demand rate according to SN 31920 | 73 % |
failure rate [FIT] with low demand rate according to SN 31920 | 100 FIT |
protection class IP on the front according to IEC 60529 | IP20 |
touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
suitability for use | |
● safety-related switching OFF | Yes |
Certificates/ approvals |
Downloads and manuals |
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Further information |
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Characteristic: Tripping characteristics, I²t, Let-through current |
Further characteristics (e.g. electrical endurance, switching frequency) |
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last modified: | 2/15/2022 |
Date 5/13/2022 | Subject to change without notice © Copyright Siemens 2022 |