- Operating voltage range: AC380V~480V
- Operating frequency: 50Hz
- Protection function: Phase sequence, phase loss, phase imbalance
- Relay type: Can be a protective relay or a control relay
- Three-phase AC measurement performance: Based on true performance value
- Compliance: IEC 60947-5-1
Type
NJB1-YW
Operating voltage
Three-phase, three-line mode: 380, 400, 415, 480VAC
Three-phase, four-line mode: 220, 230, 240, 277VAC
Three phases of unbalanced operation
Imbalance rate: 2%~22%
Uptime Imbalance
(0.1~30) seconds adjustable
Contact Number
1 switch
Contact capacity
Ue/IE:AC-15 240V/0.75A,415V/0.47A;Ith:3A
Indicative mode
Power supply: blue LED, delay output: yellow LED, warning indicator: red LED
Ambient temperature
-5°C~+40°C
Installation mode
Device type or tracking type
- Water Level Control: As mentioned in the initial information, the NJB1 Relay can be used for automatic water level control in industrial facilities, equipment, residential water towers, high water tanks and underground storage pits.
- Water Automation: This relay can be used to automate water supply and drainage from reserve or cistern water sources.
- Industrial applications: NJB1 can be used to control manufacturing processes, machine processes, and systems in various industrial environments.
- Flow control: It can be used to control the flow of fluids in water supply, feeding, and other industrial process systems.
- Besides water level control, it can also be used to control the levels of other fluids in various applications.
- Relay NJB1 can be used to control and protect various equipment, such as motors, pumps, valves, and other electrical equipment.
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