voltmeters United Kingdom

...Product Features: • Used (with 150 Volt full scale A.C. voltmeters) to measure the voltage of 240, 480 or 600 VAC systems. • Primary insulated for 4.0 KV rms test, suitable for L.V. switchgear and motor control use. • 50/60 Hz. operation. • Open construction - "Type H". • CSA certified (209651). • The nominal line voltages of 240 and 480 volts may be exceeded by 25% for 60 Hz. operation. • Insulation system 55°C rise, Class 105.