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