3RT20282FB443MA0

Siemens 3RT2028-2FB44-3MA0 AC contactor, Size S0 2NO2NC
Siemens 3RT2028-2FB44-3MA0 AC contactor, Size S0 2NO2NC

The Siemens 3RT2028-2FB44-3MA0 AC contactor, part of the SIRIUS 3RT20 series, is a size S0, 3-pole AC-3 rated current of 38A, 18.5kW (400V), with a control voltage of 24V DC. It is equipped with 2NO+2NC auxiliary contacts and a plug-in diode module.

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Siemens 3RT2028-2FB44-3MA0 AC contactor, Size S0 2NO2NC
Product Positioning

The Siemens 3RT2028-2FB44-3MA0 AC contactor belongs to the SIRIUS 3RT20 series, Size S0, 3-pole design, AC-3 rated current 38A, 18.5kW (400V), suitable for small motor starting and monitoring circuit integration. The Siemens 3RT2028-2FB44-3MA0 controls at 24V DC, equipped with 2NO+2NC auxiliary contacts and a plug-in diode surge suppression module, spring terminals with DIN rail clip mounting, and an IP20 protection rating.

Core Product Advantages and Features
Size S0, 3-pole main circuit
AC-3 rated current 38A, 18.5kW (400V), suitable for small motor control.
Plug-in diode module
Built-in plugged-in diode surge suppression design protects the coil circuit.
2NO+2NC auxiliary contacts
It has a total of 4 auxiliary contacts, 24V DC control voltage, and complete feedback signal.
Spring terminal snap-fit installation
IP20 protection rating, operating temperature -25～+60°C.
project Specification
Product Series SIRIUS 3RT20
Size Specifications Size S0
Extreme number 3 poles
AC-3 rated current (400V) 38 A
AC-3 Rated Power (400V) 18.5 kW
Control voltage 24V DC
Auxiliary contact configuration 2NO+2NC
Insulation voltage 690V
Protection level IP20
Operating temperature -25～+60°C
Wiring method Spring terminals
Installation method 35mm guide rail clip
Additional features Plug-in diode surge suppression module
External dimensions (height × width × depth) 102×45×154 mm
Certification UL, EAC, CSA, CCC

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