| ■ Characteristics | Adjustable sensitivity, adjustable delay, dual mode supply/drain. | ■ Operating Voltage | 24-240VAC/DC |
| ■ Output Characteristics | SPDT | ■ Contact Capacity | 5A 240VAC |
| ■ Sensitivity Range | 5-100K | ■ Delay Range | 0.5-10S |
| ■ Installation | Guide Rail Mounting | ■ Notes | In both two-wire and three-wire modes, users can further choose between water supply mode or drainage mode. |
Two-wire mode: H terminal (H+D short circuit) is the water level detection point, C is the common terminal (lower than H), when the water level rises and touches H, the delay starts, and the time contact switches (water pump working state switches); when the water level drops and leaves H terminal, the delay starts, and the time contact switches (water pump working state switches).
Three-wire mode: H terminal is high water level, D terminal is low water level, C is the common terminal, when the water level rises and touches H, the delay starts, and the time contact switches (water pump working state switches); when the water level drops and leaves D terminal, the delay starts, and the time contact switches (water pump working state switches). In two-wire and three-wire modes, users can also further select water supply mode or drainage mode.
| Mode | Wiring Diagram & Operation Diagram | Schematic Description | |
| Two-wire (single-pole) mode |  |
The H terminal (H+D shorted) serves as the water level detection point, C is the common terminal (lower than H). When the water level rises to contact H, the delay starts, and after the delay, the contacts switch (the pump's working state switches). When the water level drops away from the H terminal, the delay starts, and after the delay, the contacts switch (the pump's working state switches). | |
| Three-wire (2-pole) mode |  |
The H terminal is the high water level, the D terminal is the low water level, and C is the common terminal. When the water level rises to contact H, the delay starts, and after the delay, the contacts switch (the pump's working state switches). When the water level drops away from the D terminal, the delay starts, and after the delay, the contacts switch (the pump's working state switches). | |
Wenzhou Derrek Electric Co., Ltd. is an OEM/ODM YOSHINE Muti-Function Sensitivity Adjustable Delay Adjustable Liquid Level Relay Supplier and Wholesale YOSHINE Muti-Function Sensitivity Adjustable Delay Adjustable Liquid Level Relay Company. YOSHINE’s products can be divided into two categories:
1. Products that manage electronic control processes (Step Relay, Time Relay, Switching Power Supply, Floatless Level Switch, etc.).
2. Products that protect equipment (e.g. motors) from voltage and current failures (Voltage Protection Relay, Current Monitoring Relay). OEM service is offered according to the client’s requirements.
YOSHINE has made its contribution to the development of our society and the global intelligence industry with the mission of “Made for Connection”.
The company currently has more than 50 employees, including 7 professional technicians and 2 engineers.
We have our own manufacturing plant which covers an area of 12000 square meters.
Our monthly production capacity is over 100,000 pcs, which can meet the needs of different clients.
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