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ZJ-GH
Relay Life Test Load Cabinet
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Product Description
Relay Life Test Load Cabinet, AC Contactor Life Test Device
Model: ZJ-GH
1. Product Overview:
Relay Life Test Load Cabinet, The AC contactor life test device is designed according to the technical requirements provided by the customer and complies with relevant **standards. It can perform AC or DC coil power on/off on relay and contactor contacts for life testing. During the test, it can monitor the contacts in real time, automatically alarm and stop when there is contact failure or contact sticking, and display the alarm station. It is suitable for life testing or spot checking of relay and contactor parts, and is essential equipment for small relay manufacturers and electrical testing institutes.
This test machine uses a touchscreen and programmable logic controller (PLC) control. Except for manual operations such as product clamping and parameter setting, all other actions, power on/off counting, contact sticking phenomena, and fault judgments are performed automatically. AC/DC parameters are digitally displayed. The machine is reasonably designed, easy to use, simple to operate, reliable in performance, and aesthetically pleasing.
2. Equipment Structure and Principle:
This test machine adopts a bench-type structure with overall anti-static spraying, **etched stainless steel panel that is beautiful and durable. It is equipped with a control screen, adjustment knobs, power indicator lights, switches, alarms, etc. Inside are PLC, power detection modules, control circuits, and other components.
It can simultaneously monitor whether each group of contacts of each sample is working properly. Five stations sequentially connect to the same load. The workbench surface is at the front of the test machine, made of fireproof insulating bakelite. The test leads drawn from the test bench use soft silicone insulated wires, connected to the test bench with metal quick connectors.
- Main Technical Specifications
- Test machine power supply: AC: 220V±10%/50Hz.
- Test product stations: 5 stations
- Five stations work simultaneously, connecting or disconnecting the same load in a set sequence and time.
- Relay coil supply voltage: DC 0～30V manual adjustment, **5A.
- Relay coil supply voltage: AC 0～250V manual adjustment, **2A.
- Digital voltmeter: Accuracy 0.5 grade, resolution 0.1V;
- Contactor power-on test time: 0.5 seconds～999.9 seconds, freely preset by PLC.
- Contactor power-off test time: 0.5 seconds～999.9 seconds, freely preset by PLC. (Power-off time must be greater than or equal to 5 times the power-on time)
- Control system: PLC + touchscreen
- Independent counting for each station: 0～99999999 presettable by PLC, power-off retention, automatic stop and audible-visual alarm when count is reached.
- Contact power-on count: PLC accumulates based on contact power on/off counts, power-off retention.
- Number of test products: 1-6 can be set.
- Contact type: Normally open or normally closed can be set.
- Five test stations equipped with test fixtures and connecting wires.
- All test data designed with power failure protection function.
- Alarm device: Equipped with over-temperature, power failure protection, and overcurrent bridge protection functions.
- Control method: PLC control, intelligent human-machine interface operation.
- Dimensions: Width 700mm × Depth 1000mm × Height 1250mm.
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Dongguan Zhongjia Testing Equipment Technology Co., Ltd
86135 8080 6147(Technical Director)
86135 8090 9432(Mr. Guo, Manager)
Building 1, Guanghui Zhigu, No. 86, Yinkang Road, Hengli Town, Dongguan City
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