Terms & Conditions
Locations
This toroid is dedicated to Vigilohm Insulation Fault locators, and to VigiPacT type A residual current protection and monitoring relays. It allows the monitoring of the injected component from Vigilohm Insulation Monitor, and the measurement of a current rating up to 250A for VigiPacT monitoring and protection relays. The transformer ratio is 1/1000. The inner diameter of the toroid is 120mm and the weight is 1.5kg. The cables must be centered within the toroid and the diameter represented by all these cables should not exceed 60 millimetres. The maximum cross section per phase (R, S, T, N) is 240mm² for a copper conductor.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | TOA |
| Device application | equipment monitoring and control |
| Current transformer type | OA type split toroid |
| Range | VigiPacT |
| [Ie] rated operational current | 250 A |
| Product or component type | earth leakage current sensor |
| Range compatibility | VigiPacT RMH residual current protection relay, VigiPacT RHUs residual current protection relay, VigiPacT RHU residual current protection relay, VigiPacT RH197P residual current protection relay, VigiPacT RH197M residual current protection relay, VigiPacT RH99P residual current protection relay, VigiPacT RH99M residual current protection relay, VigiPacT RH86P residual current protection relay, VigiPacT RH86M residual current protection relay, VigiPacT RH68M residual current protection relay, VigiPacT RH21P residual current protection relay, VigiPacT RH21M residual current protection relay, VigiPacT RH10P residual current protection relay, VigiPacT RH10M residual current protection relay |
| Complementary | |
| Diameter | 120 mm inner: |
| [Icw] rated short-time withstand current | 85 kA for 0.5 s |
| Calorific value | 16.35 MJ |
| Connections - terminals | screw 0.22-0.22 mm² |
| [Uimp] rated impulse withstand voltage | 12 kV |
| Height | 224 mm |
| Transformer ratio | 1/1000 |
| Depth | 44 mm |
| Overvoltage category | IV |
| Width | 224 mm |
| Cable outer diameter | 55-55 mm: 240-240 mm² (maximum) |
| Net weight | 1.5 kg |
| [Ui] rated insulation voltage | 1000 V |
| Network type | AC/DC |
| Residual short-circuit withstand current | 85 kA / 0.5 s conforming to IEC 60947-2 |
| Network frequency | 50...400 Hz |
| Mounting mode | fixed (slotted backplate), fixed (profiled sheet metal), fixed (plain backplate), fixed (cables) |
| Environment | |
| IP degree of protection | IP30, connectors: IP20 |
| Ambient air temperature for storage | -55-85 °C |
| Pollution degree | level 3 conforming to IEC 60664-1 |
| Ambient air temperature for operation | -35-70 °C |
| IK degree of protection | IK07 conforming to EN 62262 |
| Environmental characteristic | salt mist: Kb/2 conforming to IEC 60068-2-52, exposure to damp heat not in service (25...55 °C, RH 95 %) : 28 cycles conforming to IEC 60068-2-30, exposure to damp heat in service (environment category C2) : 48 hours conforming to IEC 60068-2-56 |
| Standards | IEC 60947-2 |
| Product certifications | CE |
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