3RT1055-6AP36

The 3RT1055-6AP36 is a Siemens SIRIUS 3RT10 series S6 frame large contactor, with AC-3 current of 150A, power of 75kW/400V, and coil voltage of 220-240V AC/DC universal, which meets the common control voltage requirements of Taiwanese factories and is suitable for use in large motor control panels.

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The 3RT1055-6AP36 is a Siemens SIRIUS 3RT10 series S6 frame large contactor, designed specifically for 75kW three-phase motors. It is compatible with 220-240V AC/DC coil voltage, meeting the common control voltage requirements of Taiwanese factories. With a side-mounted auxiliary contact base, it can be expanded to a maximum of 8 auxiliary contacts. Kensun Motors provides original factory parts and complete technical support.

Core Product Advantages and Features
S6 Large Frame Design
The AC-3 is rated at 150A and 75kW/400V, while the AC-1 can reach 185A and is suitable for controlling large three-phase motors.
220-240V universal coil
It covers the 220-240V AC/DC control voltage commonly found in Taiwan and most other regions, offering high flexibility in selection.
Side-mounted auxiliary contacts
It comes standard with 2 sets of side-mounted auxiliary contacts (1 NO + 1 NC each), which can be expanded to a maximum of 8 sets.
Tool-free coil replacement
The coil adopts a tool-free design, so the entire contactor group can be maintained and replaced without disassembling it.
High durability mechanical life
With a mechanical lifespan of 10 million operating cycles, it reduces replacement frequency and maintenance costs.
Original manufacturer authorized distributor warranty
Kenxin Motors provides genuine Siemens products, with warranty and technical consultation services.
project Specification
brand Siemens
series SIRIUS 3RT10
model 3RT1055-6AP36
Frame size S6
Extreme number 3P (3 normally open main contacts)
AC-3 Rated Current/Power 150 A / 75 kW, 400V AC
AC-1 rated current 185 A, 400V AC
auxiliary contacts Side-mounted, 2 units (1 NO + 1 NC each), expandable to a maximum of 8 units.
Coil (operating) voltage 220-240V AC/DC Universal Type
Motor power reference 125HP at 460V / 60HP at 230V (three-phase)
Main circuit wiring method Bolt-on lug
Applicable Standards IEC 60947-4-1
Coil replacement method Tool-free design