Engineered for industrial applications, the Siemens SHMD69800ANGT is a 3-pole, 800A molded case circuit breaker from the Sentron MD Frame family. It installs into Siemens Sentron panelboards, switchboards, and motor control centers. This unit mount breaker requires TA3K500 lugs (sold separately). For legacy upgrades, it is replaced by the 3VA6580-6KQ32-0AA0 (requires retrofit kit). Equipped with a Sensitrip III electronic trip unit, it offers adjustable LSIG protection and 65kAIC at 480V.
No, the ANGT suffix indicates that this breaker is supplied without line or load lugs. Compatible Sentron MD-frame lug kits must be purchased separately based on your specific wire size and conductor material.
Which panelboards and switchboards are compatible with the SHMD69800ANGT?
This unit-mount Sentron MD-frame breaker is designed for installation in Siemens P4, P5, S4, S5, and SPP power panelboards, as well as SB switchboards and Siemens motor control centers.
What specific protection functions does the LSIG trip unit offer?
The Sensitrip solid-state electronic trip unit provides fully adjustable Long-Time, Short-Time, Instantaneous, and Ground-Fault protection. This allows for precise system coordination in complex commercial and industrial electrical systems.
Has the SHMD69800ANGT been replaced by a newer Siemens breaker series?
Yes, the legacy Sentron MD-frame breakers have been superseded by the modern Siemens 3VA molded case circuit breaker family. Upgrading an existing SHMD69800ANGT to a 3VA equivalent typically requires a dedicated retrofit kit.
Can the SHMD69800ANGT be reverse fed?
Yes, this breaker is rated for reverse feed applications, providing flexibility for routing line and load connections within the enclosure.
Is this breaker suitable for use in HVAC applications?
Yes, the SHMD69800ANGT carries an HACR rating, meaning it is certified for safe use with heating, air conditioning, and refrigeration equipment.
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