FAPELEC · TOSUNLUXDatasheet — TDD1 modular digital voltmeter and ammeterfapelec.ma/en/produits/mesure-test-outillage/voltmetres-amperemetres-modulaires-tdd1/ · 22/10/2026
Series · Modular · TDD1
TDD1 modular digital voltmeter and ammeter — TOSUNLUX Moroccofapelec.ma
TDD1 modular digital voltmeter and ammeter
TDD1-1V · TDD1-1A · 1 module 18 mm · DIN rail
IEC 61010-1
TOSUNLUX (Tosun) digital voltmeter and ammeter in circuit-breaker format (1 module of 18 mm on DIN rail): permanent display of voltage or current in the board, without drilling the door. Red LED display, accuracy ± 2 %.
IEC 61010-1IEC 61326-1
18 mmWidth
± 2 %Accuracy
DIN railMounting
TDD1 modular digital voltmeter and ammeter — TOSUNLUX Moroccofapelec.maTechnical characteristics
| Rated insulation voltage | 660 V |
|---|---|
| Measuring circuit consumption | ≤ 2 VA |
| Network | Sinusoidal 50 / 60 Hz |
| Auxiliary supply | Self-powered by the measured circuit1 |
| Display | 3-digit red LED |
| Refresh rate | 1 measurement per second |
| TDD1-1A | Up to 100 A with external current transformer |
| Dimensions | 18 × 81 × 66 mm · 1 module |
|---|---|
| Mounting | 35 mm DIN rail |
| Connection | Direct (TDD1-1V) · via x/5 A CT (TDD1-1A)1 |
| Front panel | 1 module 18 mm on DIN rail, no cut-out2 |
| Altitude | ≤ 2 000 m |
|---|
| Safety standard | IEC 61010-13 |
|---|---|
| Electromagnetic compatibility | IEC 61326-14 |
| To be avoided | Networks with high harmonics: variable frequency drives, inverters |
|---|
- 1 Value from an equivalent series, to be confirmed when ordering.
- 2 Normative value: 35 mm symmetrical rail IEC 60715 (EN 60715); 17.5 / 18 mm module (DIN 43880).
- 3 Normative value: IEC 61010-1 (measuring instruments).
- 4 Normative value: IEC 61326-1.
