Load Bank is designed and manufactured according to IEC 60884(Clauses 20 and 21), IEC 61058 (Clause 17), IEC 606691(Clauses 18 and 19) standards and etc. It is used for the on-off ability test and the normal operation lifespan test of the Switches for household and similar fixed-electrical installations. Besides, it is also applied in the test of breaking capacity of plug and socket-outlets, and mechanical action of normal operation lifespan.
How Does a Load Bank Work?
Load Bank is with blue framework and gray cover. The top of this apparatus is the operation control panel on which there are switches for controlling power supply, for the electric capacity conversion and for the load type conversion. There are also the displaying meters of connecting current and voltage as well as power, the buttons of start and stop, alarm, the status indicator light and so on. Below are the according knobs for output voltage adjustment, for current adjustment and for inductance adjustment. There are two load lines.
Each of them has the function of resistive, inductive and capacitive Load test. The kind of load test can be chosen by the transferring switch. The load box inside is cooled by the strong wind convection. There are terminals below the load box through which the load box can be connected with the switch and plug-socket endurance tester using the wire. During the process of test, the equipment outputs the current and voltage as well as power.
Technical Parameters:
| Item | MLT-LP-1 | MLT-LP-2 |
| Power supply | with ground wire AC220V/ 50Hz, or 110V, 60Hz | with ground wire AC220V/ 50Hz, or 110V, 60Hz |
| Working station | One stations | Two stations |
| Digital display voltage meter | 0～300V, accuracy: ±0.5% | 0～300V, accuracy: ±0.5% |
| Digital display current meter | 0～30A, accuracy: ±0.5% | 0～30A, accuracy: ±0.5% |
| Digital display power meter | 0～20KW, accuracy: ±0.5% | 0～20KW, accuracy: ±0.5% |
| Digital display power factor meter | 0.3～0.999, accuracy: ±0.5% | 0.3～0.999, accuracy: ±0.5% |
| Load method | Resistive, inductive and capacitive load (three in one) it can be transformed. | Resistive, inductive and capacitive load (three in one) it can be transformed. |
| Capacitive load | 70 µF, 140 µF, 7.3 µF can be chosen. | 70 µF, 140 µF, 7.3 µF can be chosen. |
| Load output | Each power and interval power can be chosen. | Each power and interval power can be chosen. |
| Counter | 0～9999，it can be preset. | 0～9999，it can be preset. |
| The volume of load | 2x20KVA | 2x20KVA |
| The maximum of
output current |
30A, when it exceeds 32A, it stopped automatically. | 30A, when it exceeds 32A, it stopped automatically. |
| The maximum of output voltage | 300V, when it exceeds 305V, the load is stopped automatically. | 300V, when it exceeds 305V, the load is stopped automatically. |
| Atmospheric pressure | 80～106kpa | 80～106kpa |
| Environmental temperature | 5～40°C | 5～40°C |
| Relative humidity | (20～90) %RH | (20～90) %RH |
| Using place | – No violent shaking
– Without electromagnetic interference and dust. – No explosive or corrosive gas. – Good heat dissipation |
– No violent shaking
– Without electromagnetic interference and dust. – No explosive or corrosive gas. – Good heat dissipation |
| Size and weight | L*W*H=600*660* 1600mm, 480kg | L*W*H=770*660* 1680mm, 600kg |
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