Siemens

Siemens Sirius 3RF2 Solid-state contactor, screw, 3-phase, 1200V Part number 3RF2420-1AC45

EAN / Barcode 4011209646933
Product Type Control Panel
Product Class Solid state relay
ETIM Class Solid state relay
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Product Description

Solid-state contactor 3-phase 3RF2

The SIRIUS 3RF24 solid-state contactor is designed for switching resistive and inductive loads in industrial applications.

Technical details:

  • Phase-out type: solid-state contactor
  • Operating voltage: 48-600 V / 4-30 V DC
  • Current rating: 3-phase 3RF2 AC 51 / 20 A / 40 °C
  • Blocking voltage: 1200 V
  • Control: 3-phase controlled
  • Mounting: screw terminal
  • Device approvals: IEC and UL/CSA
  • Available types: single-phase or three-phase devices
  • Connection types: screw, spring-type or ring terminal lug
  • Function modules: can be expanded with standardized 3RF29 function modules

Customer benefits:

  • Non-wearing and silent operation, ideal for noise-sensitive areas like offices and hospitals
  • High reliability at high switching frequencies
  • Integrated heat sink allows direct use in control cabinets
  • Compact design saves space on the DIN rail
  • Wide range of applications with simple expansions using function modules
  • Simple and efficient modular system always kept up to date

Technical Specifications

Degree of protection (IP)IP20
Depth119.5 mm
Height100 mm
Modular versionYes
Number of phases3
Operating voltage AC 50 Hz48 V
Operating voltage AC 60 Hz48 V
Rated control supply voltage DC4 V
Rated operation current Ie at AC-122 A
Rated operation current Ie at AC-5122 A
Type of electric connectionScrew connection
Type of switch functionNormally open contact (NO)
Voltage type (operating voltage)AC
Voltage type for actuatingDC
Width74.5 mm
With detachable clampsYes
With LED indicationYes
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