Main benefits
High galvanic isolation up to 10 kV
High immunity; no fuse required
Intrinsically safe operation
Diagnostic signal
Designed specifically for DC railway applications
Sécheron possesses years of experience designing electrical safety products and solutions for railway DC traction power substations. Our know-how covers isolated relays for voltage detection.
Our ESTRA-VP relay detects DC voltages in power distribution systems for public transportation networks like tramways, metros, and railways. With its high-voltage isolation and rated voltages from 750 V DC to 3,000 V DC, the VP20 ensures the electrical safety of people and property.
Brochures
Product description
- Rated voltage up to 3'600 Volts.
- Test voltages up to 10 kV AC.
- Application: voltage measurement up to 3'600 V directly connected to high voltage circuit.
- Detection of voltages: scale up to 1'500 Vdc or 3'000 Vdc.
- Accuracy: ±5% of input scale.
- Adjustable thresholds by means of internal dip switches.
- Power supply voltage splitted in 3 ranges covering 24 to 230 VDC.
- Reference standards: EN 50121-5 when mounted in a cubicle.
- Reference standards: EN 50124-1, EN 61000-6-2 and EN 61000-6-4.
Useful links
Request for quotation
For a request for quotation, please visit our dedicated contact center by clicking the Sécheron Support and then selecting "Request for Quotation" in the Help topics.