3RT2028-1AH20

Siemens 3RT2028-1AH20 Standard AC Contactor Size S0 3-pole 48VAC 50/60Hz
Siemens 3RT2028-1AH20 Standard AC Contactor Size S0 3-pole 48VAC 50/60Hz

Siemens 3RT2028-1AH20 standard AC contactor, Size S0, 3 poles, AC-3 rated current 38A, 18.5kW (400V), control voltage 48VAC 50/60Hz, with 1NO+1NC auxiliary contacts.

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Siemens 3RT2028-1AH20 Standard AC Contactor Size S0 3-pole 48VAC 50/60Hz
Product Positioning

The Siemens 3RT2028-1AH20 standard AC contactor belongs to the SIRIUS 3RT2 series, Size S0, 3-pole design, AC-3 rated current 38A, power 18.5kW (400V), suitable for general motor direct starting and switching circuits. The Siemens 3RT2028-1AH20 controls at 48VAC 50/60Hz, has 1 NO + 1 NC auxiliary contacts, a rated insulation voltage of 690V, and a 48V low-voltage coil design, suitable for safety extra-low voltage (SELV) control circuits.

Core Product Advantages and Features
Size S0 contactor, AC-3 38A
The AC-3 has a rated current of 38A and a power of 18.5kW (400V), and is suitable for general motor direct starting circuits.
Control voltage 48VAC 50/60Hz
The coil drive voltage is 48VAC 50/60Hz, and it is equipped with 1NO+1NC auxiliary contacts for convenient circuit monitoring and feedback.
690V insulation, IP20 protection
Rated insulation voltage 690V, impulse withstand voltage 6kV, front IP20 protection rating.
Mechanical life of 10 million cycles
Mechanical life up to 10 million operations, 45×85×97 mm (width×height×depth), 35mm DIN rail for quick and easy installation.
project Specification
Applicable series/Size SIRIUS 3RT2 series, Size S0
AC-3 rated current 38 A
AC-3 rated power 18.5 kW (400V)
Extreme number 3 poles (3 sets of main contacts NO)
Control/coil voltage 48VAC 50/60Hz
Auxiliary contact configuration 1NO+1NC
Rated insulation voltage 690V (AC)
Rated impulse withstand voltage 6kV
Protection level IP20 (front)
Mechanical life 10 million times (no load)
External dimensions 45×85×97 mm (width×height×depth)
weight 0.420 kg
Installation method 35mm DIN rail mounting/panel locking
Terminal type Screw terminals
Certification RoHS compliant

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