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FMCC EUROPE
Components and technical solutions for power electronics
VS50B to VS500B
| Utilisation Electronic sensors to measure d.c., a.c. or pulsating voltages with insulation between primary and secondary circuits.. |  |
Vertical+Screen | VS50B | VS125B | VS250B | VS500B | ||
| Nominal primary current |
| V r.m.s. | 50 | 125 | 250 | 500 |
| Measuring range | @±12V (±5%) | V peak | ±75 | ±187.5 | ±375 | ±750 |
| Measuring range | @±24V (±5%) | V peak | ±75 | ±187.5 | ±375 | ±750 |
| Not measured overload | 10ms/hour | V peak | 150 | 375 | 750 | 1500 |
| Max. measuring resistance | @ IPMAX & ±15V (±5%) | Ω | 67 | 67 | 67 | 67 |
| Max. measuring resistance | @ IPMAX & ±24V (±5%) | Ω | 188 | 188 | 188 | 188 |
| Max. measuring resistance | @ IPN & ±24V (±5%) | Ω | 0 | 0 | 0 | 0 |
| Secondary current at IPN |
| mA | 50 | 50 | 50 | 50 |
| Accuracy at UPN | @+25°C | % | ≤±0.9 | ≤ ±0.9 | ≤±0.9 | ≤ ±0.9 |
| Accuracy at at UPN | -25 ... +70°C | % | ≤±1.5 | ≤±1.5 | ≤±1.5 | ≤±1.5 |
| Accuracy at at UPN | -40 ... +85°C | % | ≤±1.7 | ≤±1.7 | ≤±1.7 | ≤±1.7 |
| Offset current | @ +25°C & ±24V (±5%) | mA | ≤±0.15 | ≤±0.15 | ≤±0.15 | ≤±0.15 |
| Linearity | 0.1UPN ... 1.5UPN | % | ≤±0.3 | ≤±0.3 | ≤±0.3 | ≤±0.3 |
| Delay time (typical) |
| µs | ≤10 | ≤10 | ≤10 | ≤10 |
| di/dt correctly followed |
| V / µs | ≤0.6 | ≤1.5 | ≤3 | ≤6 |
| Bandwidth | -3 dB & RM = 50 Ω | kHz | ≤13 | ≤13 | ≤13 | ≤13 |
| Max. no-load consumption current | @+24°C (±5%) | mA | ≤50 | ≤50 | ≤50 | ≤50 |
| Dielectric strength Primary/(Secondary+Screen) | 50 Hz, 1 min | kV | 3.3 | 3.3 | 3.3 | 3.3 |
| Dielectric strength Secondary/Screen | 50 Hz, 1 min | kV | 0.5 | 0.5 | 0.5 | 0.5 |
| Partial discharges : extinction voltage | @10pC, 50Hz | kV | ≥1 | ≥1 | ≥1 | ≥1 |
| Supply voltage | ±5% | V d.c. | ±12 … ±24 | ±12 … ±24 | ±12 … ±24 | ±12 … ±24 |
| Mass | Kg | 0.450 | 0.450 | 0.450 | 0.450 | |
| Operating temperature |
| °C | -40 ... +85 | -40 ... +85 | -40 ... +85 | -40 ... +85 |
| Storage temperature |
| °C | -50 ... +90 | -50 ... +90 | -50 ... +90 | -50 ... +90 |
| Primary connection Hole for primary conductor. The temperature of the primary conductor in contact with the case must not exceed 100°C 1) UHT+ + UHT- ≤ 4.2 kV peak and 1)|UHT+ + UHT- |≤ UPMAX | .General data ● Coated electronic circuit. ● Plastic case and insulating resin are self-extinguishing. ● Direction of the current: A positive primary differential voltage (UHT+ - UHT- > 0) results in a positive secondary output current from terminal M. ● Protections: - of the measuring circuit against short-circuits. - of the measuring circuit against opening. - of the power supply against polarity reversal. ● Burn-in test in accordance with FPTC 404304 cycle. ● Tightening torque for M5 terminal studs (N.m): 2 N.m. |