Taihua JD-8(AS-34) 20-80A Integrated Motor Protector

The Taihua JD-8 20-80A Integrated Motor Protector is an advanced and reliable product designed for the safe and efficient operation of three-phase motors. Its electronic circuit design and core-threading sampling method provide precise monitoring and real-time diagnosis of potential electrical abnormalities.Featuring a unique three-phase electronic type, the JD-8 offers superior motor protection against overcurrent, current-phase failure, and overloads. It is equipped with adjustable current settings that make it highly customizable for various motor applications.The JD-8's trip level is set at 10A, ensuring sensitive and accurate operation. Its excellent inverse time characteristics provide maximum protection against electrical faults without tripping when starting up.One significant advantage of the JD-8 is its easy installation and compact design. Its versatile use makes it compatible with various applications such as machinery, electric vehicles, and solar energy systems.Overall, the Taihua JD-8 20-80A Integrated Motor Protector is a dependable and highly effective product that provides optimal motor protection to ensure the safe and efficient operation of three-phase motors.

Products Details

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

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

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