The Magic Chef 3990100356 Ptc Starter / Motor Protector is a specialized electrical component designed to safeguard compressor motors and other high-current equipment in commercial foodservice environments. Engineered to provide reliable thermal and current protection, it features a positive temperature coefficient (PTC) thermistor that automatically limits current under fault conditions. This motor protector is suitable for use in refrigeration, freezing, and ice-making equipment, ensuring consistent operation and preventing damage during startup and operation. With a compact 1.45-inch width and durable construction, it integrates seamlessly into OEM assemblies, offering precise thermal regulation and overcurrent protection for demanding kitchen applications.
Top AllPoints 3990100356 Features
Designed for commercial refrigeration systems and ice machines, the AllPoints 3990100356 Ptc Starter / Motor Protector offers precise overcurrent response and thermal stability. Its robust thermistor is built from high-grade materials to withstand thermal cycling and multiple startup sequences. Easy to install and maintain, this unit provides consistent motor protection in high-traffic foodservice environments, reducing downtime and extending equipment lifespan. Compatible with various OEM configurations, it enhances workflow by minimizing electrical faults and simplifying troubleshooting processes.
- Function and Performance: Ensures reliable motor startup and protection against overcurrent
- Durability Traits: High-grade thermistor material for thermal cycling resistance
- Ease of Use and Maintenance: Compact, plug-and-play design simplifies installation
- Real-World Use Case: Suitable for refrigeration or ice machine OEM models
- Workflow Benefit: Reduces equipment failure, increasing operational uptime
Ideal for installation in OEM refrigeration systems requiring reliable thermal protection.
AllPoints 3990100356 Technical Specs
The AllPoints 3990100356 motor protector operates with a voltage compatibility suited for standard commercial refrigeration units, typically supporting a range of 100-240V at 50/60Hz, with a maximum current response suited for high-current startup conditions. Its air-cooled thermistor design offers effective thermal dissipation in enclosed OEM housings, and its lightweight construction (0.12 lbs) simplifies integration without adding significant weight. Crafted from durable polymers, it resists thermal stress over extended cycles, and measures 1.45 inches wide, 2.5 inches deep, and 1.3 inches high. The device is non-hazardous, with no hazardous substances involved, and its temperature resistance supports normal operational ranges up to 140°F (60°C). Compatible with a variety of OEM panels, it includes no additional accessories or assembly requirements, making it suitable for OEM replacement or upgrade applications.
- Electrical Requirements: 100-240V, 50/60Hz, non-hazardous
- Cooling Method: Air-cooled thermistor for thermal management
- Construction & Finish: Durable polymer housing with high-quality thermistor
- Dimensions: 1.45" W x 2.5" D x 1.3" H
- Weight: 0.12 lbs for straightforward OEM integration
- Temperature Resistance: Operates within 140°F (60°C) maximum safe temperature
- Electrical Compatibility: Must be installed with compatible commercial refrigeration units
- Mounting Requirements: OEM-compatible mounting points and screw fixes
- Power Supply: Supports standard 100-240V supply lines in foodservice kitchen environments
- Maintenance: Designed for minimal maintenance, easy replacement
- Integration Scenario: Fits OEM compressor motor wiring harnesses seamlessly
What is a commercial motor protector?
A commercial motor protector is an electrical safety device used in foodservice equipment such as refrigeration, ice machines, and cooling systems to prevent motor damage caused by overcurrent or overheating. The device, such as the Magic Chef 3990100356 Ptc Starter / Motor Protector, employs a thermistor that reacts to temperature changes, automatically limiting current flow during fault conditions. Installed directly within OEM appliances, it ensures dependable operation during continuous use, making it essential for reliable performance in high-demand commercial kitchen operations. Its precise switching characteristics support consistent motor activity, reducing maintenance needs and operational interruptions in medium-volume foodservice settings.
Top commercial motor protector for refrigeration and ice machine applications
The Magic Chef 3990100356 Ptc Starter / Motor Protector provides robust thermal and overcurrent protection for OEM refrigeration and ice-making systems, supporting reliable operation in commercial foodservice environments. Its self-contained design and high durability make it ideal for medium-volume workflows, ensuring continuous, safe motor performance over extended service periods.
- Medium-volume foodservice — ideal for refrigeration units
- Commercial kitchen equipment — built for OEM assembly
- Refrigeration and ice machines — ensures reliable motor protection
- Moderate workload applications — supports consistent operational cycles
- OEM compatible — quick installation in restaurant-ready refrigeration systems
Why Choose AllPoints 3990100356?
The AllPoints 3990100356 Ptc Starter / Motor Protector stands out from similar components with its durable polymer construction, precise thermal response, and compact OEM-friendly form factor. Engineered for consistent motor protection in high-demand commercial environments, it reduces downtime and simplifies maintenance compared to standard fuse or relay-based solutions. Its reliable overcurrent limit response ensures steady operation, directly supporting efficient and safe foodservice equipment performance.
- Compact footprint supports installation in tight OEM housings
- Solid polymer housing enhances durability and lifespan
- Thermistor technology provides accurate, automatic current limiting
- Designed for seamless integration with commercial refrigeration units
- Reduces operational downtime and maintenance costs
