
Siemens Industrial Controls 75D73251A Coil Kit
The Siemens 75D73251A Coil Kit is a heavy-duty replacement component specifically engineered for NEMA Size 3 and 3.5 magnetic starters and contactors. Designed for industrial-grade reliability, this dual voltage coil operates across 110-120V / 220-240V AC at 50/60Hz, ensuring seamless integration into existing Siemens Furnas Class 14, 17, and 40 motor control centers. This encapsulated magnetic coil features high-quality screw terminals and a snap-in mounting design, allowing for rapid field replacement and minimal downtime during critical maintenance cycles. With a high pull-in voltage of 310 VA and a drop-out rating of 26 VA, it maintains stable contact pressure to prevent chattering and overheating in high-demand HVACR and industrial motor applications. As a veteran-grade motor control accessory, the 75D73251A provides the precise electromagnetic force required to actuate large-scale power contacts in multi-phase motor systems, protecting your hardware from voltage fluctuations and ensuring consistent mechanical operation.
Key Benefits for Contractors- Broad Compatibility: Drop-in replacement for Siemens/Furnas Class 14, 16, 17, 18, 22, 25, 26, 30, 32, 36, 37, 40, 42, 43, and 44 electrical controls.
- Dual Voltage Versatility: Supports both 120V and 240V AC configurations, simplifying inventory management for fieldwork.
- Robust Construction: Encapsulated coil design resists moisture, dust, and vibration in harsh mechanical room environments.
- Optimized Performance: Specifically tuned for NEMA Size 3 and 3.5 frames to ensure reliable armature seating and reduced coil burn-out.
What is the correct voltage setting for the 75D73251A coil?
This coil is rated for 110-120V or 220-240V AC. Ensure your control circuit voltage matches the lead configuration before energizing the starter to avoid permanent damage to the winding.
Can I use this coil in a NEMA Size 2 starter?
No, this specific kit is physically and electrically sized for NEMA Size 3 and 3.5 frames. Using an incorrectly sized coil can cause mechanical failure or inadequate contact force.
Why is my magnetic contactor humming or chattering?
Humming often indicates debris in the armature air gap or a failing coil. If the 75D73251A is installed, verify the supply voltage and ensure the snap-in mounting and screw connections are secure and free of oxidation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $281.04
-65%$281.04
$98.36Siemens Industrial Controls 75D73251A Coil Kit
The Siemens 75D73251A Coil Kit is a heavy-duty replacement component specifically engineered for NEMA Size 3 and 3.5 magnetic starters and contactors. Designed for industrial-grade reliability, this dual voltage coil operates across 110-120V / 220-240V AC at 50/60Hz, ensuring seamless integration into existing Siemens Furnas Class 14, 17, and 40 motor control centers. This encapsulated magnetic coil features high-quality screw terminals and a snap-in mounting design, allowing for rapid field replacement and minimal downtime during critical maintenance cycles. With a high pull-in voltage of 310 VA and a drop-out rating of 26 VA, it maintains stable contact pressure to prevent chattering and overheating in high-demand HVACR and industrial motor applications. As a veteran-grade motor control accessory, the 75D73251A provides the precise electromagnetic force required to actuate large-scale power contacts in multi-phase motor systems, protecting your hardware from voltage fluctuations and ensuring consistent mechanical operation.
Key Benefits for Contractors- Broad Compatibility: Drop-in replacement for Siemens/Furnas Class 14, 16, 17, 18, 22, 25, 26, 30, 32, 36, 37, 40, 42, 43, and 44 electrical controls.
- Dual Voltage Versatility: Supports both 120V and 240V AC configurations, simplifying inventory management for fieldwork.
- Robust Construction: Encapsulated coil design resists moisture, dust, and vibration in harsh mechanical room environments.
- Optimized Performance: Specifically tuned for NEMA Size 3 and 3.5 frames to ensure reliable armature seating and reduced coil burn-out.
What is the correct voltage setting for the 75D73251A coil?
This coil is rated for 110-120V or 220-240V AC. Ensure your control circuit voltage matches the lead configuration before energizing the starter to avoid permanent damage to the winding.
Can I use this coil in a NEMA Size 2 starter?
No, this specific kit is physically and electrically sized for NEMA Size 3 and 3.5 frames. Using an incorrectly sized coil can cause mechanical failure or inadequate contact force.
Why is my magnetic contactor humming or chattering?
Humming often indicates debris in the armature air gap or a failing coil. If the 75D73251A is installed, verify the supply voltage and ensure the snap-in mounting and screw connections are secure and free of oxidation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Siemens 75D73251A Coil Kit is a heavy-duty replacement component specifically engineered for NEMA Size 3 and 3.5 magnetic starters and contactors. Designed for industrial-grade reliability, this dual voltage coil operates across 110-120V / 220-240V AC at 50/60Hz, ensuring seamless integration into existing Siemens Furnas Class 14, 17, and 40 motor control centers. This encapsulated magnetic coil features high-quality screw terminals and a snap-in mounting design, allowing for rapid field replacement and minimal downtime during critical maintenance cycles. With a high pull-in voltage of 310 VA and a drop-out rating of 26 VA, it maintains stable contact pressure to prevent chattering and overheating in high-demand HVACR and industrial motor applications. As a veteran-grade motor control accessory, the 75D73251A provides the precise electromagnetic force required to actuate large-scale power contacts in multi-phase motor systems, protecting your hardware from voltage fluctuations and ensuring consistent mechanical operation.
Key Benefits for Contractors- Broad Compatibility: Drop-in replacement for Siemens/Furnas Class 14, 16, 17, 18, 22, 25, 26, 30, 32, 36, 37, 40, 42, 43, and 44 electrical controls.
- Dual Voltage Versatility: Supports both 120V and 240V AC configurations, simplifying inventory management for fieldwork.
- Robust Construction: Encapsulated coil design resists moisture, dust, and vibration in harsh mechanical room environments.
- Optimized Performance: Specifically tuned for NEMA Size 3 and 3.5 frames to ensure reliable armature seating and reduced coil burn-out.
What is the correct voltage setting for the 75D73251A coil?
This coil is rated for 110-120V or 220-240V AC. Ensure your control circuit voltage matches the lead configuration before energizing the starter to avoid permanent damage to the winding.
Can I use this coil in a NEMA Size 2 starter?
No, this specific kit is physically and electrically sized for NEMA Size 3 and 3.5 frames. Using an incorrectly sized coil can cause mechanical failure or inadequate contact force.
Why is my magnetic contactor humming or chattering?
Humming often indicates debris in the armature air gap or a failing coil. If the 75D73251A is installed, verify the supply voltage and ensure the snap-in mounting and screw connections are secure and free of oxidation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












