Home Voltage Monitoring Relays 1-Phase Monitored voltage range - 50 V AC/DC 1-Phase - Monitored voltage range - 50 V AC/DC Filters and sorting Cancel the filter Recommended Bestsellers Cheapest Most expensive -30% Quick info HRN-41 The relay protects overvoltage / undervoltage of AC and DC in three ranges On request from £ 46.73 excl. VAT £ 66.76 Add to cart More variants -30% Quick info HRN-42 The relay protects overvoltage / undervoltage AC and DC in three ranges On request from £ 52.15 excl. VAT £ 74.50 Add to cart More variants Share Tweet Pin It
-30% Quick info HRN-41 The relay protects overvoltage / undervoltage of AC and DC in three ranges On request from £ 46.73 excl. VAT £ 66.76 Add to cart More variants
-30% Quick info HRN-42 The relay protects overvoltage / undervoltage AC and DC in three ranges On request from £ 52.15 excl. VAT £ 74.50 Add to cart More variants
