Supply OEM/ODM Jd-Type Connecting Terminal for Overhead Electric Transmission Line

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The new type AS-21 Three phase overload motor protector from Taihua is a highly efficient and reliable protective device designed for three-phase motors. This three-phase electronic type protector features a trip level of 30 and is easy to install, integrate and customize with various motor applications.One of the most significant features of this motor protector is its innovative design that combines the advanced electronic (integrated circuit) circuits with the core-through current sampling method. This combination ensures accurate and reliable detection of overcurrent conditions, which can damage your motor, and enables the device to respond immediately to prevent any further damage.The AS-21 Three phase overload motor protector is also very customizable, allowing you to set up and adjust the trip level, current limiting, and other parameters according to your motor’s specifications. Additionally, with the wide operating range of 0.5-400A, this protective device is flexible and could be used with various motor sizes and types.Fitted with easy-to-use front panels, AS-21 motor protector makes it easier for the operator to monitor the motor’s performance and quickly take any necessary action. The device is also compact and lightweight, making it easy to install and saving space in your electrical cabinet.In conclusion, the AS-21 Three phase overload motor protector from Taihua is an essential device that provides reliable protection for three-phase motors. Its innovative design, customizable parameters, and ease of use make it an excellent choice for protecting your motor and ensuring it runs smoothly and efficiently.

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Quality First,and Client Supreme is our guideline to deliver the very best assistance to our shoppers.These days, we have been trying our greatest to be amongst the ideal exporters inside our field to fulfill consumers extra will need for Supply OEM/ODM Jd-Type Connecting Terminal for Overhead Electric Transmission Line, We believe this sets us apart from the competition and makes buyers choose and trust us. We all wish to generate win-win deals with our prospects, so give us a phone today and make a new friend!
Quality First,and Client Supreme is our guideline to deliver the very best assistance to our shoppers.These days, we have been trying our greatest to be amongst the ideal exporters inside our field to fulfill consumers extra will need for China Power Fitting and Terminal, Our company will continue to adhere to the ” superior quality, reputable, the user first ” principle wholeheartedly. We warmly welcome friends from all walks of life to visit and give guidance, work together and create a brilliant future!

●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

Quality First,and Client Supreme is our guideline to deliver the very best assistance to our shoppers.These days, we have been trying our greatest to be amongst the ideal exporters inside our field to fulfill consumers extra will need for Supply OEM/ODM Jd-Type Connecting Terminal for Overhead Electric Transmission Line, We believe this sets us apart from the competition and makes buyers choose and trust us. We all wish to generate win-win deals with our prospects, so give us a phone today and make a new friend!
Supply OEM/ODM China Power Fitting and Terminal, Our company will continue to adhere to the ” superior quality, reputable, the user first ” principle wholeheartedly. We warmly welcome friends from all walks of life to visit and give guidance, work together and create a brilliant future!

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