Description
The Siemens SMFH42 is a 1-pole thermal overload heater element engineered for use with compatible Siemens motor starters and overload relays. Designed to provide precise overcurrent protection, this heater element responds to sustained overload conditions by generating heat proportional to current draw, triggering the relay to disconnect the motor circuit before damage occurs.
With a current range of 6.80 to 7.57 amperes, the SMFH42 is suited for single-phase motor protection applications where accurate, repeatable thermal response is critical. Siemens heater elements are manufactured to tight tolerances, ensuring consistent trip characteristics and long service life in demanding commercial and industrial HVAC environments.
Key Features
- Current range: 6.80–7.57A
- 1-pole configuration for single-phase motor protection
- Thermal overload heater element design
- Compatible with Siemens motor starters and overload relay assemblies
- Provides reliable overcurrent protection to prevent motor burnout
- Manufactured to Siemens quality and performance standards
Applications
- Commercial and industrial HVAC motor starter panels
- Single-phase motor overload protection
- Replacement heater element for existing Siemens overload relay assemblies
Specifications
- SKU: SMFH42
- Brand: Siemens
- Current Range: 6.80–7.57A
- Poles: 1
- Type: Thermal Overload Heater Element
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