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Cantoni Motor
Traction Motors

Traction Motors

Product catalog summary

Overview: This document provides technical specifications and design details for various models of three-phase squirrel cage motors used in traction vehicles such as trams, trolley buses, and locomotives. Each motor is designed for specific applications and operational conditions.

Motor Models and Specifications:

STDa 200-L4: Designed for trams, this motor operates with a frequency range of 5 to 162.5 Hz. It features external cooling through the tram's air-duct and uses roller bearings. The motor is connected to a Cardan transmission and includes a brake drum.
STDa 250-4A: This motor is used in low-floor trams and is self-cooled with an IC511 system. It has a closed design with a protection degree of IP55 and uses single bearings.
STDa 280-6B: Designed for trolley buses, this motor operates with a speed control range from 0 to 1200 rpm at constant torque. It features self-cooling and roller bearings, with a design protection degree of IP22.
STDa 280-6B-1: Similar to the STDa 280-6B, this motor is also for trolley buses with slight variations in power output and speed regulation.
STX 500-4A: This high-voltage motor is used in locomotives and features forced cooling with a flow rate of 100m³/min. It includes a rotor with copper bars and a protection degree of IP22.
SXT 315-4C: Designed for electric multiple units, this motor is externally cooled and features axial ventilation ducts. It is mounted by flange to the transmission and supported by rubber-metal supports.

Design and Mechanical Execution: All motors are designed for horizontal operation with a conic shaft end. They are built to withstand continuous duty cycles, considering frequent starts and stops typical in traction applications.

Cooling and Bearings: Cooling methods vary from external cooling using air-ducts to self-cooling systems. Bearings are typically roller types, with some models featuring insulated bearing chambers.

Electrical and Mechanical Connections: Motors are generally supplied from frequency inverters, and connections are made through cable glands or terminal boxes, depending on the model.

Applications: These motors are specifically designed for use in trams, trolley buses, locomotives, and electric multiple units, each tailored to the unique requirements of these vehicles.

Catalog excerpts

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