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.

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.