The Circutor EC72 100A (code M1022C) is a moving iron panel ammeter for alternating current measurement up to 100 A. It mounts in a standard 72 x 72 mm panel cutout and provides true RMS current readings at Class 1.5 accuracy across a frequency range of 20 to 100 Hz. No auxiliary power supply is required for this model.Technical specifications: Model: EC72 100A Circutor code: M1022C EAN: 8433059000974 Measurement range: 100 A AC Accuracy class: 1.5% FE Scale: 90°, P2 Panel cutout: 72 x 72 mm Overall depth: 49.2 mm Weight: 0.24 kg Mounting: Panel Front protection: IP 52 Terminal protection: IP 00 Working temperature: +10 to +30 °C Storage temperature: -25 to +40 °C Measurement: True RMS Consumption: 0.3 to 1.5 VA Frequency range: 20 to 100 Hz Overload capacity: 1.2 In continuous / 5 In for 30 s / 10 In for 5 s / 40 In for 1 s Insulation voltage: 2 kV at 50 Hz (less than 1 min) Standards: BS 89, UNE-EN 60051, IEC 144, DIN 43780, IEC 51, UNE 21318 Certifications: CE Features and benefits: No auxiliary power supply needed, simplifying panel wiring and reducing component count Exchangeable scales are compatible with EC48, EC72, EC96, EM 45, EC 72 FA, and EC 96 FA instruments, enabling flexible reconfiguration True RMS measurement delivers accurate readings independent of waveform shape High short-time overload tolerance - up to 40 times nominal current for 1 s - protects the meter during fault events IP 52 front protection suits enclosed panel installations in demanding environments Applications: Visual current monitoring in AC distribution boards and main switchboards Current indication in motor control centres and industrial control panels Quick visual status checking of AC circuit load levels Panel instrumentation in building services and industrial installations requiring a 72 x 72 mm format meter Also known as: Circutor EC72 100A, EC72 100A M1022C, moving iron ammeter 100A, panel ammeter 72x72, Circutor M1022C.
