Modine 5H6046680001 Limit Switch
The Modine 5H6046680001 Limit Switch is a critical OEM replacement part designed for high-limit thermal protection in Modine unit heaters, specifically the HE series including HE50, HE75, HE100, HE125, HE150, HE200, and HE250 models. This L140-30F limit switch features an auto-reset mechanism with a fixed 140-degree Fahrenheit opening point and a 30-degree differential, meaning it typically recloses at 110°F. Engineered for industrial HVAC safety, the bimetal disc sensor ensures rapid response times to prevent heat exchanger damage during overheating conditions. Its compact, metal-housed design allows for direct mounting within the airstream for precise temperature monitoring. As a genuine Modine control, this SPST (Single Pole Single Throw) switch offers snap-action reliability and long-term durability in demanding commercial environments where maintaining safety limit standards is paramount for system uptime.
- Precise Thermal Protection: Engineered as an L140-30F switch to break the circuit at 140°F, preventing critical equipment failure.
- Automatic Reset Logic: Eliminates manual intervention by resetting once the plenum temperature cools to the 110°F threshold.
- Heavy-Duty Construction: Features a rugged metal enclosure and bimetal disc technology for consistent performance in high-cycle unit heater applications.
- Direct OEM Compatibility: Ensures a perfect fit for Modine 5H6046680001 and Modine 34039 part numbers, reducing field installation errors.
Common Questions
What does the L140-30F designation mean on this switch?
The "L" stands for Limit (opens on temperature rise). The "140" indicates the temperature in degrees Fahrenheit at which the contacts will open to stop heating equipment operation. The "30F" signifies a 30-degree differential, meaning the switch will reset and close when the temperature drops to 110°F.
Is the Modine 5H6046680001 compatible with other heater brands?
While L140-30F limit switches are common across many brands, this specific 5H6046680001 part is sourced and specked for Modine HE series unit heaters. Always verify the mounting footprint and terminal orientation against your specific furnace limit switch before installation.
Can I use a higher temperature limit switch if this one keeps tripping?
No. Tripping is a safety indicator of restricted airflow, a failing blower motor, or over-firing. Replacing a 140°F limit with a higher rating can lead to heat exchanger cracking or fire hazards. Always diagnose the cause of the overheat condition rather than bypassing the safety limit.
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: $92.41
-65%$92.41
$32.34Modine 5H6046680001 Limit Switch
The Modine 5H6046680001 Limit Switch is a critical OEM replacement part designed for high-limit thermal protection in Modine unit heaters, specifically the HE series including HE50, HE75, HE100, HE125, HE150, HE200, and HE250 models. This L140-30F limit switch features an auto-reset mechanism with a fixed 140-degree Fahrenheit opening point and a 30-degree differential, meaning it typically recloses at 110°F. Engineered for industrial HVAC safety, the bimetal disc sensor ensures rapid response times to prevent heat exchanger damage during overheating conditions. Its compact, metal-housed design allows for direct mounting within the airstream for precise temperature monitoring. As a genuine Modine control, this SPST (Single Pole Single Throw) switch offers snap-action reliability and long-term durability in demanding commercial environments where maintaining safety limit standards is paramount for system uptime.
- Precise Thermal Protection: Engineered as an L140-30F switch to break the circuit at 140°F, preventing critical equipment failure.
- Automatic Reset Logic: Eliminates manual intervention by resetting once the plenum temperature cools to the 110°F threshold.
- Heavy-Duty Construction: Features a rugged metal enclosure and bimetal disc technology for consistent performance in high-cycle unit heater applications.
- Direct OEM Compatibility: Ensures a perfect fit for Modine 5H6046680001 and Modine 34039 part numbers, reducing field installation errors.
Common Questions
What does the L140-30F designation mean on this switch?
The "L" stands for Limit (opens on temperature rise). The "140" indicates the temperature in degrees Fahrenheit at which the contacts will open to stop heating equipment operation. The "30F" signifies a 30-degree differential, meaning the switch will reset and close when the temperature drops to 110°F.
Is the Modine 5H6046680001 compatible with other heater brands?
While L140-30F limit switches are common across many brands, this specific 5H6046680001 part is sourced and specked for Modine HE series unit heaters. Always verify the mounting footprint and terminal orientation against your specific furnace limit switch before installation.
Can I use a higher temperature limit switch if this one keeps tripping?
No. Tripping is a safety indicator of restricted airflow, a failing blower motor, or over-firing. Replacing a 140°F limit with a higher rating can lead to heat exchanger cracking or fire hazards. Always diagnose the cause of the overheat condition rather than bypassing the safety limit.
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 Modine 5H6046680001 Limit Switch is a critical OEM replacement part designed for high-limit thermal protection in Modine unit heaters, specifically the HE series including HE50, HE75, HE100, HE125, HE150, HE200, and HE250 models. This L140-30F limit switch features an auto-reset mechanism with a fixed 140-degree Fahrenheit opening point and a 30-degree differential, meaning it typically recloses at 110°F. Engineered for industrial HVAC safety, the bimetal disc sensor ensures rapid response times to prevent heat exchanger damage during overheating conditions. Its compact, metal-housed design allows for direct mounting within the airstream for precise temperature monitoring. As a genuine Modine control, this SPST (Single Pole Single Throw) switch offers snap-action reliability and long-term durability in demanding commercial environments where maintaining safety limit standards is paramount for system uptime.
- Precise Thermal Protection: Engineered as an L140-30F switch to break the circuit at 140°F, preventing critical equipment failure.
- Automatic Reset Logic: Eliminates manual intervention by resetting once the plenum temperature cools to the 110°F threshold.
- Heavy-Duty Construction: Features a rugged metal enclosure and bimetal disc technology for consistent performance in high-cycle unit heater applications.
- Direct OEM Compatibility: Ensures a perfect fit for Modine 5H6046680001 and Modine 34039 part numbers, reducing field installation errors.
Common Questions
What does the L140-30F designation mean on this switch?
The "L" stands for Limit (opens on temperature rise). The "140" indicates the temperature in degrees Fahrenheit at which the contacts will open to stop heating equipment operation. The "30F" signifies a 30-degree differential, meaning the switch will reset and close when the temperature drops to 110°F.
Is the Modine 5H6046680001 compatible with other heater brands?
While L140-30F limit switches are common across many brands, this specific 5H6046680001 part is sourced and specked for Modine HE series unit heaters. Always verify the mounting footprint and terminal orientation against your specific furnace limit switch before installation.
Can I use a higher temperature limit switch if this one keeps tripping?
No. Tripping is a safety indicator of restricted airflow, a failing blower motor, or over-firing. Replacing a 140°F limit with a higher rating can lead to heat exchanger cracking or fire hazards. Always diagnose the cause of the overheat condition rather than bypassing the safety limit.
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.
