3RT1955-5AB31-WH

The basic model 3RT1955-5AB31-WH is an S6 frame contactor with a 24V coil operating mechanism. The meaning of the "-WH" suffix is currently unconfirmed; for details, it is recommended to contact Kenxin Motor for verification.

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Siemens 3RT1955-5AB31-WH Contactor with Removable Coil Operating Mechanism 23-26V AC/DC
Product Positioning

The 3RT1955-5AB31-WH is based on the 3RT1955-5AB31 model and is a replaceable coil operating mechanism used in Siemens SIRIUS large contactors 3RT105 and 3RT145 (S6 frame). The original German manufacturer's documentation refers to it as "Wechselantrieb". It has a rated voltage of 23-26V (24V class) and supports both AC 50/60Hz and DC operation. It features a standard energy-saving circuit design and screw terminals. The net weight is approximately 0.59 kg. Its customs tariff code is 85045000, and it is manufactured in Germany. It should be noted that after checking the Siemens original manufacturer database and catalogs of several major distributors (Control Parts, Mouser, Conrad, PLC-Trade, etc.), only the complete specifications of the 3RT1955-5AB31 body can be found. The official version differences represented by the "-WH" suffix cannot be found. This field only faithfully presents the verified specifications of the basic model. For the exact definition of "-WH", it is recommended to contact Kensun Motors or the original manufacturer for verification.

Core Product Advantages and Features
24V AC/DC coil
Rated voltage 23-26V (24V rating), and supports both AC 50/60Hz and DC operation, making it one of the most commonly used voltage versions in the series.
Standard power-saving circuit
It adopts a power-saving design to reduce power consumption and heat generation during the coil holding stage.
Replaceable coil module
The coil can be replaced independently, eliminating the need to replace the entire S6 frame large contactor in case of failure, thus saving on spare parts and labor costs.
Multinational certifications and environmental compliance
Made in Germany, with EMV conformity declaration and general product approval, and compliant with RoHS environmental directive.
project Specification
Product Type Replaceable coil operating mechanism for contactors (incomplete contactor)
Basic Model 3RT1955-5AB31
Applicable contactors SIRIUS 3RT105 and 3RT145 series (S6 frame)
Rated operating voltage AC 23-26V (50/60Hz) / DC 23-26V
Operating mechanism type Standard, energy-saving type (Sparschaltung)
Terminal type Screw terminals
net weight Approximately 0.587-0.59 kg
Customs Tariff Number 85045000
Place of origin Germany
Compliance Statement EMV Declaration of Conformity, General Product Approval, UK Declaration of Conformity
Environmental compliance RoHS compliant
Explanation of the "-WH" suffix A search of Siemens' original catalog and multiple distributor catalogs revealed no independent definition, making it impossible to confirm whether it represents a color scheme, packaging, or version difference. It is recommended to contact Kenxin Motor or the original manufacturer for verification.

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