The Circutor SEC72 40/5A Scale (code M102Y8) is an exchangeable replacement scale for the EC72 series moving iron ammeter. It provides a 40/5 A full-scale measurement range, making it suitable for use with current transformers that have a 5 A secondary output measuring primary currents up to 40 A. The scale fits the 72 x 72 mm EC72 panel instrument and measures 60 x 60 x 1 mm.

Technical specifications:

• Model: SEC72 40/5A Scale
• Circutor code: M102Y8
• EAN: 8433059002565
• Measurement range: 40/5 A
• Full scale: 40/5 A
• Compatible device: EC72
• Module format: 72 x 72 mm
• Scale dimensions: 60 x 60 x 1 mm
• Weight: 0.004 kg

Features and benefits:

• Exchangeable design allows the scale to be replaced on an existing EC72 instrument without removing the ammeter body from the panel
• 40/5 A range calibrated for use with 5 A secondary current transformers measuring loads up to 40 A primary
• Thin 1 mm profile and low mass (4 g) simplify fitting and reduce load on the instrument face
• 72 x 72 mm module format matches the standard EC72 cutout, ensuring direct compatibility
• Part of the SEC72 range, which spans 5/5 A to 5000/5 A, supporting scale standardisation across a complete panel installation

Applications:

• Replacing worn or damaged scale faces on installed EC72 moving iron ammeters
• Re-ranging an existing 72 x 72 mm panel ammeter to a 40/5 A measurement range
• Electrical distribution boards and motor control centres equipped with 5 A secondary current transformers
• Industrial control panels using the EC72 instrument format where primary current does not exceed 40 A

Also known as: Circutor SEC72 40/5A Scale, SEC72 40/5A M102Y8, EC72 ammeter replacement scale, moving iron ammeter scale 40/5 A, Circutor M102Y8 scale.