Eaton WMZT3D32T 32A 3-Pole Circuit Breaker Potential Transformer

Meet the Eaton WMZT3D32T, a 32A, 3-Pole Circuit Breaker with an integrated Potential Transformer. This compact, purpose-built device blends protective switching with precise voltage sensing to support reliable operation of three-phase equipment and metering systems.

Designed for real-world electrical distributions, the WMZT3D32T simplifies installation by combining two critical functions into a single, space-saving package. The integrated potential transformer provides accurate voltage signals for protection relays and energy meters, reducing external wiring, signal loss, and installation time.

Key benefits

• Integrated measurement capability: Built-in potential transformer delivers reliable voltage sensing for metering and protection without the need for separate sensing transformers.
• Three-pole protection for balanced 3-phase systems: Ensures synchronized protection across all phases, improving fault isolation and system stability.
• 32 A rating for common feeders: Ideal for mid-range loads or feeder circuits in commercial, industrial, or data-center environments where precise protection is essential.
• Rugged Eaton construction: Engineered for dependable operation in challenging environments and long service life within switchgear assemblies.
• Space-saving footprint: A compact, integrated solution that frees up panel space and simplifies labeling and maintenance.

Who benefits most

Ideal for electrical installers and facility managers working with three-phase distribution networks, this unit is well-suited for data centers, manufacturing floors, large offices, and commercial buildings that demand accurate sensing, fast fault response, and streamlined installations.

Practical usage and setup tips

• Verify compatibility with your Eaton panel and the WMZT series documentation before installation.
• Use the integrated potential transformer for voltage sensing to connect to metering equipment and protective relays.
• Document the part number WMZT3D32T and keep it with related electrical drawings for future maintenance or replacements.

Specifications at a glance

• Current rating: 32 A
• Poles: 3
• Part number: WMZT3D32T