3RT20282XF400LA2

Siemens 3RT2028-2XF40-0LA2 Traction Contactor Size S0 110VDC
Siemens 3RT2028-2XF40-0LA2 Traction Contactor Size S0 110VDC

Siemens 3RT2028-2XF40-0LA2 traction contactor for rail vehicles, SIRIUS 3RT20 series, Size S0, 3 poles, AC-3 rated current 38A, 18.5kW (400V), control voltage 110V DC, with 1NO+1NC auxiliary contacts.

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Siemens 3RT2028-2XF40-0LA2 Traction Contactor Size S0 110VDC
Product Positioning

The Siemens 3RT2028-2XF40-0LA2 is a traction contactor from the SIRIUS 3RT20 series, specifically designed for rail vehicle applications. It is size S0, 3-pole, AC-3 rated current 38A, 18.5kW (400V). The Siemens 3RT2028-2XF40-0LA2 operates on a 110V DC control voltage (operating range 0.7 to 1.25 times the rated voltage), is equipped with 1NO+1NC auxiliary contacts and spring terminals, can withstand extreme operating temperatures of -40 to +70°C, and has passed type testing for marine and rail applications.

Core Product Advantages and Features
Special design for rail vehicles
It has passed the type test for ship/rail applications and is suitable for public transportation electronic control systems.
Size S0, 3-pole main circuit
AC-3 rated current 38A, 18.5kW (400V), AC-4 rated current 22A/11kW.
110V DC control voltage
Operating range: 0.7 to 1.25 times rated voltage; built-in surge suppressor.
Wide-temperature spring terminal design
Operating temperature -40～+70°C, spring terminal wiring saves maintenance.
project Specification
Product Series SIRIUS 3RT20 (for rail vehicles)
Size Specifications Size S0
Extreme number 3 poles
AC-3 rated current (400V) 38 A
AC-3 Rated Power (400V) 18.5 kW
AC-4 Rated Current/Power (400V) 22 A / 11 kW
AC-1 rated current (400V) 50 A
Control voltage 110V DC (0.7～1.25 Uc)
Auxiliary contact configuration 1NO+1NC
Insulation voltage 690V
Protection level IP20
Operating temperature -40～+70°C
Storage temperature -55～+80°C
Mechanical life 10 million cycles (5 million cycles including electronic auxiliary modules)
Wiring method Spring terminals
External dimensions (height × width × depth) 102×45×107 mm
Certification RoHS compliant, marine/railway application type tested.

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