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Ws-50ma / 300V programmable resistance box

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公司名稱上海文順電器有限公司
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所在地上海市
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更新時(shí)間2024/11/25 7:41:47
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Productoverview:Ws-50ma/300Vprogram-controlledresistanceboxisapplicabletotheleakagecurrenttestofchargingpile

Ws-50ma / 300V programmable resistance box 產(chǎn)品信息

Product overview:

Ws-50ma / 300V program-controlled resistance box is applicable to the leakage current test of charging pile. It has "constant current" load mode and provides automatic compensation function, so that the equipment accuracy is much higher than that of conventional resistive load box. It is more convenient and convenient to use. Multiple system protection is configured to ensure the reliability of the equipment. The system expands one RS485 remote communication interface and uses Modbus RTU protocol, The system is the best choice for integration testing.

Product features:

1. Voltage wide range input

2. The leakage current is adjustable

3. 1mA minimum adjustment accuracy

4. Complete protection functions: overvoltage, overheating, overcurrent, over-power, module fault protection.

5. Constant resistance, constant current and conversion of two working modes to meet more test requirements

6. Support a variety of remote control, standard RS485, optional Ethernet communication control. Support standard Modbus communication protocol.

Application fields:

Automobile electronic test, power supply test, battery test, leakage current detection test of DC switching components.

Technical specifications:

Product name	Programmable resistance box?
model	WS-50mA/300V
Rated voltage	Ue=AC 220V
Allowable access voltage	AC 160V-300V
Rated frequency	50HZ
Current regulation range	1mA-50mA
Number of channels	Single channel (optional multi-channel)
Voltage measurement accuracy	0.5% F.S.
Current measurement accuracy	0.5% F.S.
Panel layout	Power switch, digital instrument, fault alarm
control mode	Remote RS485 Modbus RTU standard communication protocol (optional Ethernet communication)
Load mode	Constant resistance mode / constant current mode
Automatic compensation	Correct and compensate the error beyond the set value caused by line impedance and equipment internal resistance, and the system will automatically compensate to realize high-precision load regulation
Heat dissipation mode	Forced air cooling
Air inlet direction	Front air inlet and back air outlet
Protection function	Short circuit protection, overvoltage protection, overcurrent protection, module fault protection
Equipment interface	L n main bus / working power supply / grounding / RS485 communication interface
operation mode	Long time continuous working system
Working power supply	AC 220V 50Hz mains power
Installation mode	19 inch rack type
Overall dimension	178-440-500mm (height width depth)
Equipment weight	30kg
Appearance color	Light gray or white
Degree of protection	IP21
Operating ambient temperature	-10℃~55℃