FEATURES
- Mains Isolated Electrode Circuit
- Safe Electrode Operating Voltage: 25 Volts (max)
- Relay Output: DPDT
- Relay Contact Rating: 5A @ 240VAC
- DIN Rail Mountable
The LQ-451 monitors the level of conductive liquids and can be configured to perform any one of the following functions:
PUMPING IN CONTROL / LOW-LEVEL ALARM
The relay in the unit is configured to energise and start the pump motor (or provide a low-level alarm signal) when the water level falls below the lower electrode (P2). The relay will remain on, until the water level reaches the upper electrode (P1).
PUMPING OUT CONTROL / HIGH-LEVEL ALARM
The relay in the unit is configured to energise and start the pump motor (or provide a high-level alarm signal) when the water level reaches the upper electrode (P1). The relay will remain on, until the water level falls below the lower electrode (P2).
Model | LQ-451 |
Supply Voltage: | 230 VAC (+/-10%) / 50 to 60 Hz |
Electrode Circuit: | 25 Vmax (Open Circuit), Isolated from Mains via Transformer |
Operating Temp: | 5 to +50 degC |
Relay Output: | DPDT, 5A @ 240VAC (resistive) |
Modes: | The following modes are selectable (via jumpers): Mode A: Pumping In / Low-Level Alarm Mode B: Pumping Out / High-Level Alarm |
Mounting: | DIN-Rail Mountable |
Weight: | 300 g |
Dimensions: | H112 x H55 x D73 mm |