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Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC
Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC
Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC
Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC
Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC
Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC

SIEMENS

Siemens 3RT2018-1AP02 Power Contactor 16A, 7.5kW, 3-Pole, 230V AC Original Brand New

Model / SKU3RT2018-1AP02

Siemens 3RT2018-1AP02 is a compact SIRIUS 3RT2 power contactor for switching motors up to 7.5 kW (400 V). Featuring a 230V AC coil, 3 main poles, a single 1 NC auxiliary contact, and screw terminals, this Size S00 contactor offers high reliability in a small footprint.

Original price was: $67.03.Current price is: $29.92.
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

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Description

Overview

The Siemens 3RT2018-1AP02 is a high-performance power contactor designed for reliable switching in industrial and commercial electrical applications. Rated at 16 A and capable of handling 7.5 kW at 400V, this 3-pole contactor ensures efficient and safe operation. Featuring 1 NC auxiliary contact, screw terminals, and size S00, it is ideal for AC-3 and AC-3e applications in motor control circuits.

Features & Function

  • High Reliability: Ensures stable switching of motors and other electrical loads.

  • AC-3 & AC-3e Rated: Suitable for heavy-duty motor control applications.

  • Rated Current: 16 A, supporting loads up to 7.5 kW / 400 V.

  • Poles: 3-pole configuration for versatile three-phase connections.

  • Auxiliary Contacts: 1 NC (Normally Closed) for control circuit integration.

  • Terminal Type: Screw terminals for secure wiring.

  • Coil Voltage: 230V AC, 50/60 Hz, compatible with standard industrial systems.

  • Size: Compact S00 for easy panel installation.

Benefit

  • Compact Design: The Size S00 frame allows for high-density panel mounting, saving valuable space in control cabinets.

  • High Reliability: Part of the SIRIUS modular system, ensuring coordinated products and tested combinations for dependable operation.

  • Simplified Wiring: Equipped with screw terminals for secure and straightforward electrical connection on both the main and control circuits.

  • Global Compliance: Climate-resistant and approved for worldwide use (e.g., IEC and UL/CSA), making it suitable for international applications.

  • IE3/IE4-Ready: Optimized for modern, energy-efficient motors, supporting future-proof industrial control systems.

  • Motor Protection Integration: Easily combinable with a variety of other SIRIUS components, such as thermal overload relays (e.g., 3RU2), for complete motor protection.

Application

  • Switching and controlling motors in machines (pumps, fans, conveyors).

  • Building basic motor starters (direct-on-line starters).

  • Controlling resistive loads (heating elements, lighting).

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Specifications

SKU / Model3RT2018-1AP02
BrandSIEMENS
product brand nameSIRIUS
product designationPower contactor
product type designation3RT2
size of contactorS00
product extension-
● function module for communicationNo
● auxiliary switchYes
power loss [W] for rated value of the current at AC in hot operating state6.6 W
● per pole2.2 W
power loss [W] for rated value of the current without load current share typical5.7 W
surge voltage resistance-
● of main circuit rated value6 kV
● of auxiliary circuit rated value6 kV
maximum permissible voltage for safe isolation between coil and main contacts acc. to EN 60947-1400 V
shock resistance at rectangular impulse-
shock resistance with sine pulse-
mechanical service life (switching cycles)-
● of contactor typical30 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 acc. to IEC 81346-2Q
installation altitude at height above sea level maximum2 000 m
ambient temperature-
● during operation-25 ... +60 °C
● during storage-55 ... +80 °C
relative humidity minimum10 %
relative humidity at 55 °C acc. to IEC 60068-2-30 maximum95 %
number of poles for main current circuit3
number of NO contacts for main contacts3
operating voltage at AC-3 rated value maximum690 V
● at AC-1 at 400 V at ambient temperature 40 °C rated value22 A
● at AC-1-
— up to 690 V at ambient temperature 40 °C rated value22 A
— up to 690 V at ambient temperature 60 °C rated value20 A
● at AC-4 at 400 V rated value11.5 A
● at AC-5a up to 690 V rated value19.4 A
● at AC-5b up to 400 V rated value13.2 A
— up to 230 V for current peak value n=20 rated value9.6 A
— up to 400 V for current peak value n=20 rated value9.6 A
— up to 500 V for current peak value n=20 rated value9.6 A
— up to 690 V for current peak value n=20 rated value8.9 A
● at AC-6a-
— up to 230 V for current peak value n=30 rated value6.6 A
— up to 400 V for current peak value n=30 rated value6.4 A
— up to 500 V for current peak value n=30 rated value6.4 A
— up to 690 V for current peak value n=30 rated value6.4 A
minimum cross-section in main circuit at maximum AC-1 rated value4 mm²
operational current for approx. 200000 operating cycles at AC-4-
operational current-
● at 1 current path at DC-1-
● with 2 current paths in series at DC-1-
● with 3 current paths in series at DC-1-
● at 1 current path at DC-3 at DC-5-
● with 2 current paths in series at DC-3 at DC-5-
● with 3 current paths in series at DC-3 at DC-5-
— at 24 V rated value20 A
— at 110 V rated value20 A
— at 220 V rated value1.5 A
— at 440 V rated value0.2 A
— at 600 V rated value0.2 A
operating power-
● at AC-3-
— at 400 V rated value7.5 kW
— at 500 V rated value7.5 kW
— at 690 V rated value7.5 kW
operating power for approx. 200000 operating cycles at AC-4-
● up to 230 V for current peak value n=20 rated value3.8 kV·A
● up to 400 V for current peak value n=20 rated value6.6 kV·A
● up to 500 V for current peak value n=20 rated value8.3 kV·A
● up to 690 V for current peak value n=20 rated value10.6 kV·A
operating apparent power at AC-6a-
● up to 230 V for current peak value n=30 rated value2.5 kV·A
● up to 400 V for current peak value n=30 rated value4.4 kV·A
● up to 500 V for current peak value n=30 rated value5.5 kV·A
● up to 690 V for current peak value n=30 rated value7.6 kV·A
short-time withstand current in cold operating state up to 40 °C-
● limited to 1 s switching at zero current maximum300 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 5 s switching at zero current maximum169 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 10 s switching at zero current maximum128 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 30 s switching at zero current maximum92 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 60 s switching at zero current maximum74 A; Use minimum cross-section acc. to AC-1 rated value
no-load switching frequency-
operating frequency-
● at AC-1 maximum1 000 1/h
● at AC-2 maximum750 1/h
● at AC-3 maximum750 1/h
● at AC-4 maximum250 1/h
type of voltage of the control supply voltageAC
control supply voltage at AC-
● at 50 Hz rated value230 V
● at 60 Hz rated value230 V
operating range factor control supply voltage rated value of magnet coil at AC-
apparent pick-up power of magnet coil at AC-
inductive power factor with closing power of the coil-
apparent holding power of magnet coil at AC-
inductive power factor with the holding power of the coil-
● at 50 Hz0.25
● at 60 Hz0.25
closing delay-
opening delay-
● at AC7 ... 13 ms
arcing time10 ... 15 ms
control version of the switch operating mechanismStandard A1 - A2
number of NC contacts for auxiliary contacts instantaneous contact1
operational current at AC-12 maximum10 A
operational current at AC-15-
● at 230 V rated value10 A
● at 400 V rated value3 A
● at 500 V rated value2 A
● at 690 V rated value1 A
operational current at DC-12-
operational current at DC-13-
● 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
contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
full-load current (FLA) for 3-phase AC motor-
● at 480 V rated value14 A
● at 600 V rated value11 A
yielded mechanical performance [hp]-
● for single-phase AC motor-
— at 110/120 V rated value1 hp
— at 230 V rated value2 hp
● for 3-phase AC motor-
— at 200/208 V rated value3 hp
— at 220/230 V rated value5 hp
— at 460/480 V rated value10 hp
— at 575/600 V rated value10 hp
contact rating of auxiliary contacts according to ULA600 / Q600
design of the fuse link-
● for short-circuit protection of the main circuit-
— with type of coordination 1 requiredgG: 50A (690V,100kA), aM: 25A (690V,100kA), BS88: 50A (415V,80kA)
— with type of assignment 2 requiredgG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (415V,80kA)
● for short-circuit protection of the auxiliary switch requiredgG: 10 A (500 V, 1 kA)
mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
fastening methodscrew and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
● side-by-side mountingYes
required spacing-
● with side-by-side mounting-
● for grounded parts-
● for live parts-
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side6 mm
type of electrical connection-
● for main current circuitscrew-type terminals
● for auxiliary and control circuitscrew-type terminals
● at contactor for auxiliary contactsScrew-type terminals
● of magnet coilScrew-type terminals
— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
● at AWG cables for main contacts2x (20 ... 16), 2x (18 ... 14), 2x 12
connectable conductor cross-section for main contacts-
● solid0.5 ... 4 mm²
● stranded0.5 ... 4 mm²
connectable conductor cross-section for auxiliary contacts-
● solid or stranded0.5 ... 4 mm²
● finely stranded with core end processing0.5 ... 2.5 mm²
type of connectable conductor cross-sections-
— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
● at AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14), 2x 12
AWG number as coded connectable conductor cross section-
● for main contacts20 ... 12
● for auxiliary contacts20 ... 12
B10 value with high demand rate acc. to SN 319201 000 000
proportion of dangerous failures-
● with low demand rate acc. to SN 3192040 %
● with high demand rate acc. to SN 3192073 %
failure rate [FIT] with low demand rate acc. to SN 31920100 FIT
T1 value for proof test interval or service life acc. to IEC 6150820 y
protection class IP on the front acc. to IEC 60529IP20
touch protection on the front acc. to IEC 60529finger-safe, for vertical contact from the front
suitability for use-
● safety-related switching OFFYes
last modified:11/27/2021
Weight0.235 kg
Dimensions50.00 × 61.50 × 77.50 mm

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