Guangzhou HongCe Equipment Co., Ltd.
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IEC60884 Load Box
Product Introduction
The load boxes are designed and manufactured according to IEC60884,IEC61058,IEC606691 standards and etc. It is applicable for household and similar fixed electrical installations switches and plug sockets breaking capacity and normal operation test, the rated voltage of the switch is not greater than 280V and the rated current less than 16A. The purpose is assessing whether the switch is able to withstand the normal use of mechanical damage and electrical fatigue damage, and whether the contacts has adhesion phenomenon, long-term closed or disconnected phenomena, to examine whether the test samples excessive worn and have other harmful consequences.
The frame of the load box is blue, side panels is light gray. Front top is the operator control panel, the panels are made of high quality aluminum plate, etching sandblasting colored craft, attractive and durable. There are power switch/current/voltage and power/power factor displaying instruments, load power switches, status indicators, start and stop buttons, capacitance switches, load switches and alarms etc. Below corresponds to the output voltage regulation knobs, output current regulation knobs and power factor regulation knobs. The load box has two independent stations, each with resistive, inductive and capacitive (fluorescent type) load three in one feature, they are switchable. The interior of the load box is cooled by strong wind convection cooling. At the back of the load box there are wire connecting terminals, the load box outputs current voltage and power during the detection by connecting the wire with the test samples on the endurance test machine.
Technical Parameters
| No | Item | Parameter |
| 1 | Power Supply | AC380, 50Hz. |
| 2 | Voltage V | Range 0 ~ 300V accuracy ± 05% ± 2d |
| 3 | Current A | Range 0 ~ 60A accuracy ± 05% ± 2d |
| 4 | Power KW | Range 0～20KW, accuracy±05% |
| 5 | Power Factor | Range 03 to 0999 accuracy ± 05% ± 2d |
| 6 | Load Selection | Resistive, Inductive and Capacitive load three in one, switchable |
| 7 | Capacitance Selection | 70uf, 140uf, 73uf optional |
| 8 | Output Mode | Each power, Interval power optional |
| 9 | Count/Preset | 0～999999 times, can be preset |
| 10 | Load power capacity | 2*20KVA |
| 11 | Output current limit | 60A, the load will be automatically cut off when over 63A |
| 12 | Output voltage limit | 300V, the load will be automatically cut off when over 320V |
| 13 | Atmospheric pressure | 80～106kpa |
| 14 | Ambient temperature | 5～40°C |
| 15 | Relative humidity | (20～90)%RH |
| 16 | Use environment | Requires no violent shaking, no vibration, no electromagnetic interference, no dust, no explosive, no corrosive gases, needs good heat dissipation place |
| 17 | Dimensions and weight | L*W*H=1200*760*1830mm, 800kg |
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