Taihua JD-9（AS-35）Overload Phase failure AC Asynchronous motor Integrated Motor Protector

The Taihua JD-9 (AS-35) Overload Phase failure AC Asynchronous Motor Integrated Motor Protector is a state-of-the-art product designed to monitor and protect AC asynchronous motors. Featuring a highly advanced core-threading current sampling detection technology, this product provides exceptional protection against overcurrent, phase failure, and overloads.One of the most significant advantages of the JD-9 is its use of a zero-crossing shut-off AC solid-state relay as its output interface. This not only ensures stable and reliable work but also eliminates the occurrence of arcs during operation, making it a much safer device compared to traditional circuit breaker protection.In addition to its impressive safety features, the JD-9 also boasts a simple yet highly effective structure that makes it easy to use for both professionals and hobbyists alike. Furthermore, it is highly efficient, with no power consumption, ensuring that it does not affect the motor's performance.The JD-9 is highly durable, with a long life expectancy, guaranteeing continued protection for your motor for years to come. Additionally, it is highly versatile, making it compatible with a vast range of AC asynchronous motor applications.Overall, the Taihua JD-9 (AS-35) Overload Phase failure AC Asynchronous Motor Integrated Motor Protector is a highly reliable, efficient, and safe product that provides exceptional protection for your AC asynchronous motor. Its robust construction, advanced features, and ease of use make it the ideal choice for anyone looking to protect their motor's performance and prolong its lifespan.

Main technical parameter

(1) Company code (2) Motor protector (3) Current sampling type (passive type) (4) Design serial number (specification code)

Application

Adjustment method	Online current adjustment by potentiometer
Power supply for control circuit operation	AC380V、AC220V 50Hz
Output Interface Load Capacity	Solid Output, AC380V 1A (Resistance)
Reset mode	Control circuit power off reset
Reset Time	＞60s
Use Category	AC-15；Ue：AC380V；Ie：1A
Installation	Device type

Rated working current
Model	Setting current range (A)	Suitable motor power (kW)	Minimum sampling current(A)	Core-threading turns (turns)
AS-34	0.5～5	0.25～2.5	2	4
AS-34	2～20	1～10	2	1
AS-34	20～80	10～40	2	1
AS-35	32～80	15～40	10	1
AS-35	63～160	20～80	10	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

Model Number Structure

Features

●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.

Outline and installation dimensions

AS-35

AS-34

Application circuit example

AC380V application circuit

AC220V application circuit

Anti-time characteristic diagram of overload protection

Taihua JD-9（AS-35）Overload Phase failure AC Asynchronous motor Integrated Motor Protector

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