AKH-0.66L residual current transformers are dedicated to acquire low-voltage residual current signals. They can be used with ARCM series electrical fire monitors, ARD series motor protectors and ASJ series residual current relays. The product has the secondary output 0-5 (2) mA or 0-1V. It has the round-hole type and the square-hole type for your selection.
● Model: AKH-0.66/L-45 Low Voltage Leakage CT
● Aperture: 46mm; Accuracy: Class 1
● Rated Ratio: 5A/5mA; Rated current: 16~100A
● Current transformer for AC measurement
● Used with electrical fire monitoring devices, motor protection devices and residual current relays
| Type | Rated current | Ratio | Class | Φmm |
| L-45 | 16-100A | 5A/5mA | 1 | Φ46 |
| L-80 | 100-250A | 5A/5mA | 1 | Φ81 |
| L-100 | 250-400A | 5A/5mA | 1 | Φ100 |
| L-150 | 400-800A | 5A/5mA | 1 | Φ150 |
| L-200 | 800-1500A | 5A/5mA | 1 | Φ200 |
Characteristic
 |  |  |
| ● Security factor: FS＜5 ● Maximum system voltage: 720V AC ● Test voltage: 3kV AC(1min) | ● Rated frequency: 50/60Hz ● Rated short-time thermal current: Ith=40~60In ● Rated dynamic current: Idyn=2.5Ith ● Rated secondary current: X/5A (X/1A upon request) ● Rated primary current: Ranging up to 6000A | ● Continuous overload: 120%In ● Protection level: IP30 ● Casing: Non-flammable, polycarbonate self-extinguishing ABS ● Environment: Operating temperature: -25℃-+50℃ ● Storage temperature: -40℃-+80℃ ● Humidity (no condensation) ≤90%RH |
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