The IME AN2251B400 is an analogue AC ammeter (model RQ72E). It is a 72×72 mm panel-mounted instrument, designed for use with current transformers (CTs), with a 5 A input (secondary), rated for 600 V, and supplied with a calibrated scale of 0–400 A. It comes with a terminal cover for safe installation.

General Description

• Type: Analogue AC ammeter
• Model Reference: RQ72E -/5A (scaled to 400 A primary)
• Brand: IME (distributed by BTicino/Legrand)
• Application: Measurement of AC current in electrical panels via CT connection
• Mounting: Panel-mounted, 72×72 mm

Electrical Ratings

• Input Current: 5 A (CT secondary)
• Primary Current: 400 A (scale calibrated for CT ratio 400/5 A)
• Voltage Rating: 600 V
• Connection: Via CT (not direct connection for high currents)

Mechanical Details

Features

• Custom scale: This version is calibrated for 400 A primary current (with CT ratio 400/5 A).
• Safety: Terminal cover included for protection.
• Compliance: Meets EU directives for low voltage and EMC (2014/35/EU, 2014/30/EU).

Typical Applications

• Industrial and commercial electrical panels
• Monitoring of AC current via CTs
• Sub-metering and load supervision
• Suitable for LV/MV distribution systems