A50-30-11 3 Pole AC Contactor 100A 1NO+1NC Auxiliary Contacts

The GOTOELE A50-30-11 3 Pole AC Contactor 100A 1NO+1NC Auxiliary Contacts is a core industrial low-voltage switchgear designed for high-frequency operation. It features a 3-pole + 1-open/1-closed built-in auxiliary contact design, a rated current of 100A, and a maximum power rating of 300KW, primarily designed for precise control of 18.5KW/37HP three-phase AC motors. Compared to ordinary contactors, this product specifically addresses the industry pain points of traditional products, such as aging during long-term high-frequency operation and unstable switching. Utilizing standardized production processes and a rigorous quality control system, professional electrical supplier GOTOELE ensures stable and consistent performance in various complex industrial environments.

This contactor integrates motor start/stop control, circuit on/off control, and overload protection functions. It supports modular expansion of auxiliary accessories, boasts excellent compatibility with mainstream industrial automation systems, and its adaptability and service life far exceed similar products, making it the preferred control accessory for global industrial equipment manufacturers and OEM engineering projects.

Core Product Advantages

1. High Frequency, Durable, and Stable Operation

Designed for frequent start-stop operations of industrial motors, the A50-30-11 3 Pole AC Contactor 100A 1NO+1NC Auxiliary Contacts utilizes an optimized contact structure and high-temperature conductive materials, enabling long-term high-frequency switching operations and eliminating problems such as contact erosion and poor contact. It can operate continuously and stably in complex environments such as production workshops, automated production lines, and power distribution cabinets, effectively mitigating equipment downtime risks and ensuring continuous industrial production.

2. Wide Voltage and Frequency Range, Strong Adaptability

The equipment supports up to 660V AC voltage and is compatible with 50/60Hz dual power frequencies, adapting to most global industrial power supply standards. It can be matched with various three-phase AC motors, enabling remote circuit switching and operating condition adjustment. With a thermal relay, it can automatically protect the equipment from overload, effectively preventing damage to motors and mechanical equipment from overload and current surges.

3. Modular Expansion, Flexible Adaptability

The equipment comes standard with one open and one closed auxiliary contact, supporting modular expansion with auxiliary contacts, delay timers, interlocking mechanisms, and other accessories. This allows for flexible adaptation to the personalized control needs of various automation systems, production lines, and mechatronics devices. The modular design simplifies on-site installation and subsequent maintenance, significantly reducing equipment operation and maintenance costs.

4. High Cost-Effectiveness, Suitable for Global OEM Projects

The A50-30-11 3 Pole AC Contactor 100A 1NO+1NC Auxiliary Contacts maintains high industrial-grade reliability while optimizing production structure and strictly controlling costs. It boasts stronger stability, longer service life, and lower overall cost compared to other products of the same specifications. It has gained global recognition in the industrial market and is widely used in international OEM projects, automation equipment upgrades, and factory power distribution upgrades.

Detailed Technical Specifications

- Model: A50-30-11

- Number of Poles: 3-pole

- Auxiliary Contacts: 1NO + 1NC (1 open, 1 closed)

- Rated Current: 100A

- Compatible Motor Power: 18.5KW/37HP (Maximum 300KW)

- Rated Operating Voltage: Up to 660V AC

- Applicable Frequency: 50/60Hz Dual-frequency Universal

- Core Functions: High-frequency motor start/stop control, remote circuit switching, overload linkage protection, modular function expansion

- Applicable Scenarios: Industrial automated production lines, industrial motor equipment, factory power distribution cabinets, automated conveyor equipment

Real-world Application Case

A food packaging manufacturing plant in Southeast Asia has multiple automated conveyor production lines. The equipment needs to be started and stopped frequently according to the production rhythm. Traditional contactors experience contact aging and control failure after 3-6 months of use, frequently causing production line downtime. After replacing the GOTEELE A50-30-11 3-Pole AC Contactor 100A (1NO+1NC Auxiliary Contacts), the equipment achieved stable high-frequency start-stop control. It operated continuously for a year without contact failures or circuit instability, reducing the equipment failure rate by 90% and significantly improving the production line's continuous production capacity.

Packaging and Delivery

FAQ

Q1: What is the mainstream motor power compatible with the GOTEELE A50-30-11 contactor?

A: This product is primarily designed for 18.5KW/37HP three-phase AC motors with a rated current of 100A. It can adapt to equipment with a maximum power of 300KW and is specifically designed for high-frequency start-stop conditions of industrial motors, fully meeting the power control needs of various medium and high-power industrial machinery.

Q2: Can this contactor be used in harsh industrial environments? Does it support functional expansion?

A: Yes. The product uses industrial-grade durable materials and an optimized structural design, enabling stable operation in harsh industrial environments such as high-frequency operation, temperature fluctuations, and dust. It also supports modular expansion with auxiliary contacts, delay timers, interlocking mechanisms, etc., allowing for flexible matching with various automation system control logics and meeting the personalized modification needs of various projects.

Q3: What is the voltage and frequency compatibility range of this contactor? Is it suitable for global use?

A: The GOTEELE A50-30-11 3 Pole AC Contactor 100A 1NO+1NC Auxiliary Contacts supports a maximum AC operating voltage of 660V, is compatible with 50Hz and 60Hz global mainstream power frequency standards, and is adapted to the industrial power supply specifications of most countries and regions. The product has stable performance, complies with general industrial certifications, and can be widely used in international OEM projects, cross-border equipment matching, and global industrial automation projects.

Brand Strength

GOTEELE is a professional low-voltage electrical brand with many years of experience in the R&D, production, and sales of industrial control equipment. Relying on China's complete production system, advanced testing equipment, and stringent quality control system, the brand always adheres to the product philosophy of "stability first, high cost performance." All products have passed standardized industrial testing, ensuring reliable quality. As a trusted electrical manufacturer and supplier, GOTOELE has long maintained cooperation with many industrial enterprises and OEMs around the world, and its products are sold at home and abroad, continuously providing high-quality industrial control solutions for the development of global industrial automation.