OEM Factory for LCD Dislay Motor Voltage Relay 3 Phase Unbanlance Protection Voltage Protector
The key to our success is “Good Product Quality, Reasonable Value and Efficient Service” for OEM Factory for LCD Dislay Motor Voltage Relay 3 Phase Unbanlance Protection Voltage Protector, We welcome new and previous customers from all walks of everyday living to get hold of us for foreseeable future business enterprise interactions and mutual achievements.
The key to our success is “Good Product Quality, Reasonable Value and Efficient Service” for , We’ve been fully aware of our customer’s needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near 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 |
|||
|
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
The key to our success is “Good Product Quality, Reasonable Value and Efficient Service” for OEM Factory for LCD Dislay Motor Voltage Relay 3 Phase Unbanlance Protection Voltage Protector, We welcome new and previous customers from all walks of everyday living to get hold of us for foreseeable future business enterprise interactions and mutual achievements.
OEM Factory for Voltage Control Relay and Voltage Protector, We’ve been fully aware of our customer’s needs. We provide high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.








