Siemens

Siemens Power contactor, 20-33 V AC/DC, 3-pole, size S3 Part number 3RT2047-1NB30

EAN / Barcode 4047621024776
Product Type Control Panel
Product Class Power contactor, AC switching
ETIM Class Power contactor, AC switching
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Product Description

The compact Siemens power contactor is typically used to control motors, plants and to turn on electrical heating systems. The 3RT2047-1NB30 is ideal for the performance range up to 55 kW at AC-3/400 V. The SIRIUS power contactor uses a control supply voltage of 20-33 V AC/DC and features one NC and one contact as auxiliary contact as well as a useful screw-type connection. In size S3, the power contactor is a great solution for all load feeders with the circuit breakers 3RV2011 and 3RV2311.

Technical Specifications

Compliance/StandardsIEC 61508-2, EN 60947-1, IEC 60947-4, IEC 61508, IEC 60529, IEC 60947-5, EN 60715, IEC 60068-2, IEC 81346-2
country_of_originGermany
Depth152 mm
descriptionpower contactor, AC-3e/AC-3, 110 A, 55 kW / 400 V, 3-pole, 20-33 V AC/DC, 50/60 Hz, with integrated varistor, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S3
Height140 mm
IP RatingIP20
IP Rating DetailedIP20 touch protection on the front according to IEC 60529 finger
Modular versionYes
Number of auxiliary contacts as normally closed contact1
Number of auxiliary contacts as normally open contact1
Number of normally open contacts as main contact3
Operating voltage AC 50 Hz690 V
Operating voltage AC 60 Hz1000 V
Part Depth (mm)81,00mm
Part Height (mm)168,00mm
Part Width (mm)161,00mm
Rated control supply voltage AC 50 Hz20 V
Rated control supply voltage AC 60 Hz20 V
Rated control supply voltage DC33 V
Rated operation current Ie at AC-1, 400 V130 A
Rated operation current Ie at AC-3, 400 V110 A
Rated operation current Ie at AC-4, 400 V97 A
Rated operation power at AC-3, 400 V55 kW
Rated operation power NEMA55.162409999 kW
Type of electrical connection of main circuitScrew connection
Type of VoltageAC
Voltage type for actuatingAC/DC
Weight (g)1,837 Kg
Width70 mm
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