Main technical parameter
(1) Company code (2) Motor protector (3) Current sampling type (active type) (4) Design serial number (specification code) (5) B: Overload alarm (buzzer) N: With work/test transfer switchApplication
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 |
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. |
Wiring diagram
Outline and installation dimensions
AS-22A (40-199A)
AS-22A(1-4.9A、5-49A、20-100A)
AS-22A/1Z
AS-22A
Application circuit example
Diagram (1) The working voltage of the protector is 380V; the AC contactor is 380V
Diagram (2) The working voltage of the protector is 220V; the AC contactor is 220V