Exploring the Mitsubishi MS-T: An In-Depth Overview

The use of technology in industrial devices has significantly transformed efficiency and safety benchmarks. This article examines the Mitsubishi Type MS-T magnetic motor starters series, a complete solution consisting of a type S-T magnetic contactor, a type TH-T thermal overload relay, and an outside casing. The combination of these components not only simplifies motor operation but also guarantees effective protection against excessive loads, enhancing industrial machinery’s performance and durability. All these modules come with different current and voltage requirements and specifications. For a start, we will be discussing some of the Magnetic contractors categories by looking at their different modules:

S-T10:

The S-T10 magnetic contactor, a reliable and effective option for industrial applications, is part of Mitsubishi’s MS-T series. It is an AC-operated, non-reversing contactor with three poles that guarantees dependable operation in a range of power configurations. Delivering steady performance at frequencies of 50Hz/60Hz, it fits smoothly into electrical systems with a power consumption of 4kW and an operating voltage of AC 24V. With rated capacities of 2.5kW for 3-phase AC 220-240V, 4kW for 3-phase AC380-440V, and 4kW for 3-phase AC 690V, the S-T10 is a versatile device that can meet a wide range of operational requirements. With a rated current of 5A for 3-phase AC690V, it can operate steadily and effectively even when faced with large loads. It has one auxiliary contact, which opens up more control possibilities. The S-T10, which weighs only 0.25kg and has a frame size of 10, measures 36 mm in width, 75 mm in height, and 78 mm in depth while maintaining a small and robust performance. The S-T10 magnetic contactor from Mitsubishi raises the bar for dependability, effectiveness, and longevity in industrial electromechanical components.

S-T12:

The S-T12 magnetic contactor, a powerful part designed for industrial-grade performance, is part of the Mitsubishi MS-T series. It is an AC-operated, non-reversing contactor with three poles that guarantees stable functioning in a range of power configurations. At 3.5kW for 3-phase AC220-240V and 5.5kW for 3-phase AC380-440V and AC690V, respectively, the S-T12 is well-suited to manage a wide range of electrical loads. With a rated current of 7A for 3-phase AC690V, it ensures steady performance even in demanding circumstances. The S-T12 has a coil voltage of 380–440V and a coil current of 30mA, and it is made for smooth integration. It also provides one typically closed and one normally open auxiliary contact for improved control possibilities. The S-T12 weighs only 0.27kg and has a frame size of 12, making it small even with its powerful performance. Its dimensions are 43mm in width, 75mm in height, and 78mm in depth. The S-T12 magnetic contactor from Mitsubishi is a prime example of dependability, efficiency, and adaptability, effortlessly satisfying the needs of contemporary industrial applications with its sophisticated features, sturdy construction, and accurate engineering.

S-T20:

The S-T20 magnetic contactor, part of Mitsubishi’s MS-T series, is a robust device specifically engineered to fulfill the demanding requirements of industrial applications. Functioning as a non-reversing, AC-powered contactor with three poles, it guarantees dependable operation in different power setups. The S-T20 can easily handle a broad range of electrical loads, thanks to its rated capacity of 4.5kW for 3-phase AC220-240V and 7.5kW for both 3-phase AC380-440V and AC690V. The ability to function with 50Hz- and 60Hz frequencies allows for diverse usage in various locales. Utilizing a 24V coil voltage and a coil current of 30mA guarantees optimal functionality and conformity with conventional electrical systems. The S-T20 consistently performs even when subjected to high loads, with a rated current of 9A for 3-phase AC690V. It provides improved control capabilities with one auxiliary contact that is generally open and one auxiliary contact that is normally closed. The S-T20, although very capable, has a small size with dimensions of 43mm width, 75mm height, and 78mm depth. It weighs only 0.27kg. The S-T20 magnetic contactor establishes a benchmark for dependability, effectiveness, and functionality in industrial environments.

S-T65:

The S-T65 magnetic contactor, a fundamental component of Mitsubishi’s MS-T series, exemplifies strong engineering and unmatched performance in industrial settings. Functioning as a non-reversing, AC-powered contactor with three poles guarantees reliable performance. The S-T65 has a rated capacity of 18.5kW for 3-phase AC220-240V and 30kW for both 3-phase AC380-440V and AC690V. It efficiently handles heavy-duty electrical loads with outstanding efficiency. Featuring a rated current of 38A for 3-phase AC 690V, this device guarantees consistent and reliable operation, even in the most challenging circumstances. The S-T65 has a coil voltage range of 48-50V and a coil current of 67mA, guaranteeing excellent compatibility and efficient performance in conventional electrical systems. The flexibility of the device is further enhanced by its compatibility with both 50Hz and 60Hz frequencies. The S-T65 offers two auxiliary contacts that are generally open and two auxiliary contacts that are normally closed, providing extensive control features to boost functionality. Although the S-T65 is very capable, it remains quite small, with dimensions of 88mm in width, 106mm in height, and 106mm in depth. It also weighs 0.75kg.

S-T100:

The S-T100 magnetic contactor, a prominent element of Mitsubishi’s MS-T series, exemplifies exceptional performance and dependability for industrial applications. The S-T100 has a rated capacity of 30kW for 3-phase AC220-240V and 55kW for both 3-phase AC380-440V and AC 690V. It can easily handle heavy-duty electrical loads with high efficiency. With a rated current of 65A for 3-phase AC690V, this product guarantees consistent and reliable operation even in the most challenging circumstances. The S-T100’s coil voltage range, spanning from 100V to 127V, and a coil current of 85mA guarantees excellent compatibility and efficient performance in conventional electrical systems. The flexibility of the device is further enhanced by its compatibility with both 50Hz and 60Hz frequencies. The S-T100 offers increased control capabilities and expanded usefulness with its two usually open and two normally closed auxiliary connections. Although the S-T100 is very capable, it remains small with a frame size of 100, measuring 100mm in width, 124mm in height, and 127mm in depth while weighing 1.7kg.

 S-T32:

The S-T32 magnetic contactor is an essential element of Mitsubishi’s MS-T series, specifically engineered to provide efficient and dependable performance in industrial settings. The S-T32 efficiently handles electrical loads accurately, offering a rated capacity of 7.5kW for 3-phase AC220-240V, 15kW for 3-phase AC380-440V, and 11kW for 3-phase AC690V. A rated current of 12A ensures consistent performance even when subjected to moderate to high loads. The coil voltage spans from 200V to 240V, accompanied by a coil current of 20mA, guaranteeing compatibility and optimal functionality inside conventional electrical systems. Including two typically open and two normally closed auxiliary contacts, this product offers improved control capabilities, making it adaptable for industrial use. Although the S-T32 has powerful features, it remains small and takes up little space with dimensions of 43mm width, 81mm height, and 81mm depth. Additionally, it is lightweight, weighing only 0.36kg. The S-T32 magnetic contactor offers dependability, efficiency, and longevity for flawless electrical operations in industrial applications thanks to its precise engineering, durable construction, and innovative features. Furthermore, it has a power factor of 0.45, which improves its energy efficiency and performance.

TH-T18:

The TH-T18 overload relay is a crucial element of the Mitsubishi MS-T series, specifically engineered to protect electrical systems from excessive loads. This device provides dependable protection within the MS-T thermal overload relay series due to its accurate specifications. The heater has a rating of 2.5A and may be tuned to a current range of 2A to 3A, allowing for precise and quick detection of overloads. The TH-T18 is designed to be used in 3-phase systems and has a rated capacity of 1kW. It may be used for 220-240V and 380-440V applications, offering reliable protection for different voltage combinations. Featuring a voltage rating of 690V and a frequency range from 0 (DC) to 400Hz, this electrical system provides flexible protection for a diverse variety of electrical systems. With a temperature tolerance ranging from -10°C to +40°C, this device guarantees dependable functionality even in demanding climatic circumstances. Including one auxiliary contact that is generally open and another that is normally closed improves the device’s functioning, offering extra control possibilities. The TH-T18 overload relay provides smooth integration and reliable protection for industrial electrical systems, supporting wire widths ranging from 1.5mm² to 2.5mm² for main circuit connections.

TH-T25:

With its compact and effective design, this thermal overload relay module measures 63 mm in width, 53 mm in height, and 80 mm in depth. Weighing just 0.16 kg, it easily fits into electrical systems and doesn’t take up much space. With a heater rating of 1.3A and a current setting range of 1A to 1.6A, the TH-T25 enables accurate and prompt overload detection. The device has a capacity rating ranging from 0.2kW to 0.55kW and is intended for use in 3-phase systems. It offers adaptable protection for different voltage configurations and may be used for 220-240V and 380-440V applications. With a frequency range of 0 (DC) to 400Hz and a voltage rating of 690V, this system offers comprehensive protection for various electrical systems. With a temperature tolerance of -10°C to +40°C, this gadget ensures reliable and constant performance even under harsh weather conditions. The TH-T25 overload relay has two auxiliary contacts: one that is often closed and one that is usually open, which increases its utility and provides more control options. Compatible with main circuit wire thicknesses between 2.5 and 6 mm², this device offers a variety of installation options and dependable overload protection. The TH-T25 overload relay uses a current auxiliary circuit of 10A and a settling current of 26A to protect industrial electrical systems precisely, offering reliable and efficient performance.

TH-T50:

The TH-T50 module in the MS-T thermal overload relay series is expertly engineered to provide reliable performance and equipment safety. Despite its remarkable powers, it is still small, measuring just 74.3 mm in width, 72 mm in height, and 83.5 mm in depth. Its low weight of about 0.2 kg also makes it easy to integrate into electrical configurations without taking up much space. With a frequency range of 0 (DC) to 400Hz and a voltage rating of 690V, this device offers broad protection for various electrical systems. This device ensures reliable and constant performance even under harsh climatic conditions, with a temperature tolerance of -10°C to +40°C. The heater has a current setting range of 34A to 50A and is marked as 42A. This makes it possible to quickly and precisely identify overloads. This device, rated at 11kW for 220-240V applications and 22kW for 380-440V applications, is intended for use in three-phase electrical systems. It offers flexible protection for a range of voltage configurations. With one normally closed auxiliary contact and one normally open auxiliary contact, this device increases functionality and provides additional control options. This device offers a variety of installation options and dependable overload protection since it is compatible with main circuit wire diameters of 10mm².

TH-T65:

In industrial electrical systems, the TH-T65 overload relay, a vital part of the Mitsubishi MS-T series, offers dependable protection against overloads. It guarantees accurate operation and equipment safety and is engineered into the MS-T thermal overload relay series. Accurate and rapid overload detection is provided by this 22A heater with a preset current range of 18A to 26A. It is designed for 3-phase systems and provides adaptable protection across various voltage combinations with a rated capability of 5.5kW for 220-240V and 11kW for 380-440V applications. It offers complete protection for a variety of electrical systems, operating between 0 (DC) and 400 Hz at a rated voltage of 690V. It ensures dependable performance even under harsh climatic circumstances by operating effectively from -10°C to +40°C. It provides more control possibilities and improves functionality with one typically closed and one ordinarily open auxiliary contact. It offers versatile installation choices and reliable overload protection, working with main circuit wire widths of 16mm².

TH-T100:

The TH-T100 overload relay has a robust heater rating of 67 amperes and a versatile current setting range spanning from 54A to 80A; this device provides accurate and prompt detection of overloads. This device is designed for use in 3-phase systems and has a significant rated capacity of 18.5kW to 19kW for applications that need 220-240V and 37kW for applications that require 380-440V. It offers extensive protection for different voltage combinations. This module has one auxiliary contact that is generally open and another normally closed. This device improves control capabilities and flexibility when integrated into a system. With a rated voltage of 690V and a frequency range from 0 (DC) to 400Hz, this system provides flexible protection for a wide variety of electrical systems. The TH-T100 overload relay is designed to function optimally within a temperature range of -10°C to +40°C, guaranteeing dependable operation in various climatic circumstances. The TH-T100 provides versatile installation choices and reliable overload protection for industrial applications, supporting main circuit wire diameters ranging from 25mm² to 35mm².

Conclusion

In conclusion, the Mitsubishi Type MS-T magnetic motor starter, which consists of the TH-T thermal overload relay and S-T magnetic contactor, is an example of technical integration in industrial equipment. This motor-starting system improves productivity and safety in industrial settings by streamlining processes and providing strong protection against overload scenarios via careful engineering and exact specifications. The thorough examination of several modules within the overload relays and magnetic contactors categories highlights every component’s performance, dependability, and adaptability. Each of the magnetic contactors, S-T10, S-T12, S-T20, S-T65, S-T100, and S-T32, has unique characteristics, including power capacity, voltage ratings, coil voltages, auxiliary connections, operating frequency, temperature range, and weight, making them suitable for a variety of industrial applications. Despite their variations, all of these magnetic contactors maintain Mitsubishi’s dedication to lifespan, reliability, and efficiency, raising the bar for electromechanical parts used in industrial environments. Mitsubishi is committed to providing dependable protection against high loads in industrial electrical systems, as seen by the TH-T18, TH-T25, TH-T50, TH-T65, and TH-T100 overload relays. These overload relays provide maximum performance and safety in various applications because of their accurate heater ratings, current setting ranges, and compatibility with varied voltage setups. The Mitsubishi Type MS-T magnetic motor starting system is a monument to the continuous progress in industrial technology, providing all-encompassing solutions that cater to the changing demands of contemporary industries.