Thermo King 100 Amp 32 VDC Fuse for Transport Refrigeration 421194
Official OEM Thermo King parts catalog entry for the Thermo King Fuse 421194 100 Amp 32VDC, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Fuse 421194, Fuse 100 Amp 32VDC, delivers OEM-grade overcurrent protection for Thermo King refrigeration systems, ensuring dependable circuit protection and sustained uptime for temperature-controlled fleets operating across West Texas and the Permian Basin.
Key Features & Customer Benefits
- 100 Amp Protection – Provides robust overcurrent interruption to protect high-current circuits and critical reefer components.
- 32 VDC Rating – Matches DC electrical systems commonly used in transport refrigeration for consistent, reliable operation.
- OEM Thermo King Part – Ensures compatibility with Thermo King service standards and supports fleet uptime with certified components.
- High Current Durability – Engineered for repeated service cycles and harsh mobile environments to reduce in-service failures and downtime.
- Simplified Maintenance – Standardized rating allows straightforward inspection and replacement during scheduled service intervals.
Product Details
| Part Number | 421194 |
| Product | Thermo King Fuse 100 Amp 32VDC |
| Voltage Rating | 32 VDC |
| Amperage | 100 Amp |
| Application | Transport refrigeration electrical protection |
Efficiency & Sustainability
The Thermo King Fuse 421194 supports efficient transport refrigeration by protecting electrical circuits that drive fuel-efficient cooling and temperature control strategies. When paired with modern control systems such as Smart Reefer SR-4, proper circuit protection contributes to predictable energy use and reduced service interventions, reinforcing fleet sustainability goals across Amarillo, Lubbock, and Odessa.
Installation & Maintenance Tips
Install the fuse per Thermo King electrical guidelines using specified fuse holders and secure connections. Inspect fuse condition during routine maintenance intervals and replace with the OEM Thermo King Fuse 421194 to maintain consistent protection and diagnostic integrity. Follow safety procedures for DC systems and verify circuit integrity after replacement.
Real-World Applications
This fuse protects high-current DC circuits on refrigerated trucks and reefer trailers, supporting temperature-sensitive cargo in long-haul transport refrigeration, last-mile distribution, and depot operations. Fleets operating Smart Reefer or Diesel Direct Electric configurations rely on correct fuse specification to safeguard compressors, control modules, and auxiliary systems.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or contact the service department for confirmation.
Frequently Asked Questions
Q: Is this fuse compatible with Thermo King refrigeration units?
A: Yes. The Thermo King Fuse 421194 is specified for use where a 100 Amp, 32 VDC OEM fuse is required to protect transport refrigeration circuits.
Q: How often should the fuse be inspected or replaced?
A: Inspect the fuse during regular scheduled maintenance intervals and replace immediately if damage or interruption is detected to maintain circuit protection and fleet reliability.
Q: Can this fuse support Smart Reefer SR-4 systems?
A: This fuse protects DC circuits used in many Thermo King control configurations, including applications integrating Smart Reefer SR-4; confirm system fuse requirements per unit service documentation.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Thermo King Fuse 421194 100 Amp 32VDC, verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Fuse 421194, Fuse 100 Amp 32VDC, delivers OEM-grade overcurrent protection for Thermo King refrigeration systems, ensuring dependable circuit protection and sustained uptime for temperature-controlled fleets operating across West Texas and the Permian Basin.
Key Features & Customer Benefits
- 100 Amp Protection – Provides robust overcurrent interruption to protect high-current circuits and critical reefer components.
- 32 VDC Rating – Matches DC electrical systems commonly used in transport refrigeration for consistent, reliable operation.
- OEM Thermo King Part – Ensures compatibility with Thermo King service standards and supports fleet uptime with certified components.
- High Current Durability – Engineered for repeated service cycles and harsh mobile environments to reduce in-service failures and downtime.
- Simplified Maintenance – Standardized rating allows straightforward inspection and replacement during scheduled service intervals.
Product Details
| Part Number | 421194 |
| Product | Thermo King Fuse 100 Amp 32VDC |
| Voltage Rating | 32 VDC |
| Amperage | 100 Amp |
| Application | Transport refrigeration electrical protection |
Efficiency & Sustainability
The Thermo King Fuse 421194 supports efficient transport refrigeration by protecting electrical circuits that drive fuel-efficient cooling and temperature control strategies. When paired with modern control systems such as Smart Reefer SR-4, proper circuit protection contributes to predictable energy use and reduced service interventions, reinforcing fleet sustainability goals across Amarillo, Lubbock, and Odessa.
Installation & Maintenance Tips
Install the fuse per Thermo King electrical guidelines using specified fuse holders and secure connections. Inspect fuse condition during routine maintenance intervals and replace with the OEM Thermo King Fuse 421194 to maintain consistent protection and diagnostic integrity. Follow safety procedures for DC systems and verify circuit integrity after replacement.
Real-World Applications
This fuse protects high-current DC circuits on refrigerated trucks and reefer trailers, supporting temperature-sensitive cargo in long-haul transport refrigeration, last-mile distribution, and depot operations. Fleets operating Smart Reefer or Diesel Direct Electric configurations rely on correct fuse specification to safeguard compressors, control modules, and auxiliary systems.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or contact the service department for confirmation.
Frequently Asked Questions
Q: Is this fuse compatible with Thermo King refrigeration units?
A: Yes. The Thermo King Fuse 421194 is specified for use where a 100 Amp, 32 VDC OEM fuse is required to protect transport refrigeration circuits.
Q: How often should the fuse be inspected or replaced?
A: Inspect the fuse during regular scheduled maintenance intervals and replace immediately if damage or interruption is detected to maintain circuit protection and fleet reliability.
Q: Can this fuse support Smart Reefer SR-4 systems?
A: This fuse protects DC circuits used in many Thermo King control configurations, including applications integrating Smart Reefer SR-4; confirm system fuse requirements per unit service documentation.
Related Resources
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
