Description
Siemens 75D73070C Motor Starter Overload — NEMA Sz00-2.5
The Siemens 75D73070C is a heavy-duty motor starter overload relay engineered for reliable motor protection across a wide range of commercial and industrial HVAC applications. Designed to accommodate dual-voltage systems, this unit operates at 220–240V and 440–480V, making it a versatile solution for facilities running either standard or high-voltage motor circuits.
Key Features
- Dual-voltage compatibility: 220–240V / 440–480V operation
- NEMA Size 00 through 2.5 motor starter range
- Provides reliable overload protection to prevent motor burnout
- Designed for use in commercial and industrial HVAC motor control applications
- Siemens quality construction for long service life and dependable performance
- Drop-in replacement compatibility with standard NEMA starter configurations
Application
The 75D73070C is well-suited for motor control centers, HVAC air handling units, chiller systems, cooling towers, and other motor-driven equipment requiring dependable overload protection. Its broad NEMA size range (00–2.5) ensures compatibility with a wide spectrum of motor starters found in commercial building mechanical systems.
Why Choose Siemens
Siemens is a globally recognized leader in electrical controls and motor protection technology. Their starter components are engineered to meet rigorous performance standards, offering contractors and facility managers the confidence of a trusted brand with proven field reliability.
Product Specifications
- SKU: 75D73070C
- Brand: Siemens
- Voltage: 220–240V / 440–480V
- NEMA Size: 00–2.5
- Application: Motor Starter Overload Protection







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