Short Lead Time for Motor and Pump Thermal Overlaod Protector 17am

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The Taihua Electronic Motor Protector AS-21N is a cutting-edge product that delivers excellent three-phase motor protection against overload, phase loss, and phase unbalance. The device is equipped with advanced features that make it highly efficient, reliable, and easy to use, making it ideal for various industrial applications where motor protection is critical.One of the most notable advantages of the AS-21N is its ability to monitor and protect against three-phase faults effectively. The device continuously monitors the motor’s electrical signals to detect any overloads, phase imbalances, or phase loss. When a fault is detected, the device quickly responds by tripping the motor, effectively preventing further damage.Another critical benefit offered by the AS-21N is its advanced protection against short circuits and overcurrent conditions. The device has adjustable overcurrent settings that allow users to customize it to the specific requirements of their industrial applications. Additionally, the device’s inverse time characteristics allow it to respond quickly to different levels of overcurrent and minimize motor damage in the event of an overload.Furthermore, the AS-21N has been tested and proven to be highly reliable in even the harshest industrial environments. It boasts advanced anti-interference technology that filters out unwanted electrical signals, ensuring the device operates smoothly without any false trips.In addition to these features, the AS-21N comes in a compact and easy-to-use design, making it simple to install and operate. The device is highly efficient, reducing energy consumption and operating costs in the long run.In summary, the Taihua Electronic Motor Protector AS-21N is an exceptional device that provides reliable and efficient protection against overload, phase loss, and phase unbalance for three-phase motors. Its advanced features, superior reliability, and user-friendly design make it an ideal choice for any industrial application that requires highly effective motor protection.

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We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Short Lead Time for Motor and Pump Thermal Overlaod Protector 17am, We often welcome new and previous customers offers us with worthwhile information and proposals for cooperation, let’s grow and create jointly, and also to lead to our group and employees!
We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Thermal Protector and Thermal Switch, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

●Conform to GB/T14048.4 and many other national or industry standards.

●Three-phase electronic type, the trip level is 30.

●Possess current phase failure and overload protection functions, sensitive phase failure protection, reliable operation, and anti-interference ability Strong, set current value and overload delay are continuously adjustable; and have good inverse time characteristics and other advantages point.

●The main circuit adopts the core-through current sampling method, combined with advanced electronic (integrated circuit) circuits.

●Installation method: socket type, Din-rail type installation.

Working power	AC380V、AC220V 50Hz；The allowable voltage fluctuation range is (85%-110%) Ue
Adjustment method	Online current adjustment by potentiometer
Output control contact	AS-21：a group of NC contactAS-22：Change over contact 1Z
Reset mode	Power off reset
Contact capacity	AC-12,Ue:AC380V, Ie:3A
Mechanical life	1×10⁵ time
Electrical life	1×10⁴ time
Installation	AS-21：Device type/din railtypeAS-22：Device type

Rated working current
Model	Setting current range (A)	Suitable motor power (kW)	Minimum sampling current (A)
AS-21□(JD-5□)	0.5～5	0.25～2.5	≥3
AS-21□(JD-5□)	3～30	2～15
AS-21□(JD-5□)	1～100	0.5～50
AS-21□(JD-5□)	20～100	10～50
AS-22□(JD-6□)	63～400	30～200	10

Comparison Table of wire core threading
Motor Power(kW)	Corresponding setting current(A)	Core-threading turns (turns)
0.25～0.5	0.5～1	12～6
0.5～1	1～2	6～3
1～3	2～6	3～1
≥3	≥6	1

Overload Action Time Characteristics
Trip level	Different current multiples and action time PT
Trip level	1.05Ie	1.2Ie	1.5Ie	7.2Ie
2	Tp：no action within 2 hours	Tp：action within 2 hours	Tp≤1min	Tp≤4s
5			Tp≤2min	0.5s<Tp≤5s
10(A)			Tp≤4min	2s<Tp≤10s
15			Tp≤6min	4s<Tp≤15s
20			Tp≤8min	6s<Tp≤20s
25			Tp≤10min	8s<Tp≤25s
30			Tp≤12min	9s<Tp≤30s

Anti-time characteristic diagram of overload protection

AS-21/AS-21B appearance and installation dimensions

AS-22 appearance and installation dimensions

We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Short Lead Time for Motor and Pump Thermal Overlaod Protector 17am, We often welcome new and previous customers offers us with worthwhile information and proposals for cooperation, let’s grow and create jointly, and also to lead to our group and employees!
Short Lead Time for Thermal Protector and Thermal Switch, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

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