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What Class of fuse is used in ALL the EZM Main Fusible Switch Devices?

Issue:
Product Design Features

Product Line:
EZM Metering

Environment:
Fuses used in Main Fusible Switches

Cause:
Installation

Resolution:
ALL of the EZM Main Fusible Switch Devices will ONLY use a 300Vac Class T fuse at each devices maximum ampere rating.
400amp Devices will use a 400A Maximum, 300Vac Class T fuses ONLY.
600amp Devices will use a 600A Maximum, 300Vac Class T fuses ONLY.
800amp Devices will use a 800A Maximum, 300Vac Class T fuses ONLY.
1200amp Devices will use a 1200A Maximum, 300Vac Class T fuses ONLY.

NOTE: Square D does NOT offer any EZM Main Fusible Device rated over 1200amp