FAPELEC · TOSUNLUXDatasheet — TRL8 electrode level relaysfapelec.ma/en/produits/commande-automatisme/relais-de-niveau-trl8/ · 22/10/2026
Series · Level relay · TRL8
TRL8 electrode level relays — TOSUNLUX Moroccofapelec.ma
TRL8 electrode level relays
TRL8-01 · TRL8-02
AC/DC 24–240 V · EN 60255-1
TOSUNLUX (Tosun) TRL8 level monitoring relays for conductive liquids: electrode-based level monitoring in wells, basins, reservoirs and tanks. TRL8-01 with two levels, TRL8-02 with one or two levels and a choice of filling or emptying. Adjustable sensitivity, galvanically isolated 24 to 240 V AC/DC supply.
EN 60255-1
5–100 kΩSensitivity
10 A AC-1Output
18 mmWidth
TRL8 electrode level relays — TOSUNLUX Moroccofapelec.maReference selector
3 references| Compare | |||||
|---|---|---|---|---|---|
| TRL8-01 | 2 levels | Adjustable sensitivity | 1 changeover · 10 A (AC-1) | ||
| TRL8-02 | 1 or 2 levels | Filling or emptying · adjustable sensitivity and time delay | 1 changeover · 10 A (AC-1) | ||
| — | Level electrode | — | — |
No references match these filters.
Also searched as: TRL8 · TRL8-01 · TRL8-02
Selection tables
Monitoring relay function matrix
| Function | TDP-1 · TDP-3 | TDP-2 | TDP-4 | JL-VP | TRV8 | TRL8 | TRT8 |
|---|---|---|---|---|---|---|---|
| Overvoltage | |||||||
| Undervoltage | |||||||
| Overcurrent | |||||||
| Phase sequence and phase loss | |||||||
| Phase imbalance | |||||||
| Liquid level | |||||||
| Output time delay | |||||||
| Automatic reconnection | |||||||
| Integrated power breaking | |||||||
| Output contact | |||||||
| DIN rail mounting |
● function provided.
Technical characteristics
| Type | Electrode level control relay |
|---|---|
| Power supply | AC/DC 24 – 240 V · 50 – 60 Hz · terminals A1 – A2 |
| Insulation | Galvanically isolated power supply |
| Voltage tolerance | −15 % · +10 % |
| Consumption | 2 VA max |
| Monitored quantity | Resistance between electrodes (conductive liquid)1 |
| Sensitivity (input resistance) | Adjustable from 5 to 100 kΩ |
| Electrode voltage | AC 5 V max |
| Probe current | AC < 0.1 mA |
| Response time | 400 ms max |
| Maximum probe cable length | 800 m (sensitivity 25 kΩ) · 200 m (100 kΩ) |
| Maximum probe cable capacitance | 400 nF (25 kΩ) · 100 nF (100 kΩ) |
| Output time delay (TRL8-02) | Adjustable from 0.1 to 10 s |
| Output | 1 changeover · 10 A (AC-1) |
| Switched voltage | AC 250 V · DC 24 V |
| Endurance | Mechanical 1 × 10⁷ · electrical (AC-1) 1 × 10⁵ operations |
| Thresholds / setting ranges | Sensitivity adjustable from 5 to 100 kΩ1 |
| Accuracy | ± 5 %1 |
| Dimensions | 1 module 18 mm · height 90 mm · depth 64 mm |
|---|---|
| Probe terminals | Max · Min · C |
| Operating temperature | −20 °C to +55 °C |
|---|---|
| Degree of protection | IP201 |
| Standard | EN 60255-1 |
|---|
- 1 Value from an equivalent series, to be confirmed when ordering.
