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YN SERIES
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Current clamps for AC current Pinces ampèremetriques pour courant AC YN SERIES The Y series clamps are designed to be both rugged and versatile whilst remaining easy to use. The jaws are designed so that the clamps can be hooked onto cables or clamped onto busbars for current measurement up to 600 A AC. There are two types of Y series clamps available: The other kind of Y series clamp has a DC voltage output proportional to the AC current measured, allowing instruments without current calibres to measure, display and record currents on a DC voltage calibre. There is also a model available speciﬁcally for direct use with oscilloscopes. The ﬁrst acts as a current transformer (ratios of 100:1 or 1000:1), giving an output current that may be read by a multimeter, logger or other suitable devices with appropriate current calibres. Non-contractual document

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Current clamps for AC current Pinces ampèremetriques pour courant AC Cable: 30 mm Ø max Busbar: 63 x 5 mm max 2 cables: 25 mm Ø max Non-contractual document

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Current clamp for AC current Pinces ampèremetriques pour courant AC Model Y1N Current ELECTRICAL SPECIFICATIONS • • • • Current range: 4 A AC .. 600 A AC Current transformation ratio: 1000:1 Output signal: 1 mA AC / A AC Accuracy (1): Primary current Accuracy in % of output signal Phase shift Bandwidth: 48 Hz .. 1,000 Hz Load impedance: 5 Ω max Overload: 700 A for 10 minutes Maximum output voltage (secondary open): Electronic protection circuit limiting voltage to 10 V peak max Operating voltage: 600 VRMS Common mode voltage: 600 VRMS Inﬂuence of adjacent and parallel conductors: < 30 mA /...

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Current clamp for AC current Pinces ampèremetriques pour courant AC Model Y2N Current ELECTRICAL SPECIFICATIONS • • • • Current range: 4 A AC .. 600 A AC Current transformation ratio: 1000:1 Output signal: 1 mA AC / A AC Accuracy (1): Primary current Accuracy in % of output signal Phase shift Bandwidth: 48 Hz .. 1,000 Hz Load impedance: 5 Ω max Overload: 700 A for 10 minutes Maximum output voltage (secondary open): Electronic protection circuit limiting voltage to 10 V peak max Operating voltage: 600 VRMS Common mode voltage: 600 VRMS Inﬂuence of adjacent and parallel conductors: < 30 mA /...

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Current clamp for AC current Pinces ampèremetriques pour courant AC Model Y3N Current Ratio Output ELECTRICAL SPECIFICATIONS • • • • Current range: 4 A AC .. 600 A AC Current transformation ratio: 100:1 Output signal: 10 mA AC / A AC Accuracy (1): Primary current Accuracy in % of output signal Phase shift Bandwidth: 48 Hz .. 1,000 Hz Load impedance: 0.1 Ω max Overload: 700 A for 10 minutes Maximum output voltage (secondary open): Electronic protection circuit limiting voltage to 10 V peak max Operating voltage: 600 VRMS Common mode voltage: 30 VRMS Inﬂuence of adjacent and parallel...

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Current clamp for AC current Pinces ampèremetriques pour courant AC Model Y4N Current ELECTRICAL SPECIFICATIONS • • • Current range: 4 A AC .. 600 A AC Output signal: 1 mV DC / A AC Accuracy (1): Primary current Accuracy in % of output signal Bandwidth: 48 Hz .. 1,000 Hz (error: add 2 % to reference) Load impedance: > 100 kΩ max Overload: 700 A for 10 minutes Operating voltage: 600 VRMS Common mode voltage: 600 VRMS Inﬂuence of adjacent and parallel conductors: < 30 mA / A at 50 Hz Inﬂuence of conductor position in jaws: ±1 % MECHANICAL SPECIFICATIONS Operating temperature: 15 °C .. +50 °C...

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Oscilloscope clamp for AC current Pinces ampèremetriques pour courant AC Model Y7N (insulated AC current probe) Current DESCRIPTION This 500 A AC clamp can be used for the display and measurement of ‘current’ curves. It comes with a coaxial cable terminated by a BNC plug, thus making it the ideal tool for use with oscilloscopes. It supplies a mV output signal that is directly proportional to the measured current. ELECTRICAL SPECIFICATIONS • • • Current range: 1 A AC .. 500 A AC (1,200 A peak) Output signal: 1 mV AC / A AC (0.5 V for 500 A) Accuracy and phase shift (1): Primary current %...

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Oscilloscope clamp for AC current Pinces ampèremetriques pour courant AC Model Y7N (insulated AC current probe) CURVES Error on measurement at 50 Hz Frequency response Phase shift according to frequency Influence of frequency and derating Frequency Hz 1 A to 200 A > 200 A 5% 5 % + 0.4 A 5% not spec. 15 % + 0.4 A not spec. -3 dB not spec. - Error in % of reading; not spec. means not speciﬁed - Do not exceed 500 A for measurement with constant operation, and for the derating, use the formula 500 (A) * 2 / F (kHz) to calculate the maximum current in A AC, in constant use, depending on the...

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Oscilloscope clamp for AC current Pinces ampèremetriques pour courant AC Model Y7N (insulated AC current probe) RESPONSE TO A SQUARE SIGNAL 5 A at 10 Hz (1) Conditions of reference: 23 °C ± 3 °K, 20 % to 75 % RH, sinusoidal signal with frequency of 48 Hz at 1 kHz, external magnetic ﬁeld < 40 A/m, no DC components, no external conductor with circulating current, conductor centred for measurement, load impedance > 1 MΩ / < 100 pF. AC current clamp model Y7N for oscilloscope with operating manual Non-contractual document

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