The 4420.0637 is a circuit breaker manufactured by Schurter Inc. Designed for equipment protection, it offers reliable overcurrent protection in a compact form factor. This breaker is known for its snap-in mounting and thermal overcurrent protection, making it suitable for a wide range of applications.

Applications:

• Power supplies: Protects power supplies from overload conditions.
• Appliances: Used in household appliances to prevent damage from overcurrents.
• Industrial equipment: Protects industrial machinery from electrical faults.
• Medical devices: Ensures the safe operation of medical equipment.
• Telecommunications equipment: Safeguards telecommunications infrastructure.

Features:

• Thermal Overcurrent Protection: Provides protection against sustained overcurrent conditions.
• Snap-in Mounting: Facilitates easy and quick installation.
• Compact Design: Saves space in equipment design.
• High Interrupting Capacity: Safely interrupts fault currents.
• RoHS Compliant: Meets environmental standards for lead-free construction.

Benefits:

• Reliable Overcurrent Protection: Prevents damage to equipment and reduces the risk of electrical fires.
• Easy Installation: Quick snap-in mounting simplifies the assembly process.
• Improved Safety: Enhances the safety of electrical devices and systems.
• Compact Size: Space-saving design allows for use in smaller devices.
• Long Service Life: Designed for durable and reliable performance.

Additional Details:

The 4420.0637 series comes in various current ratings and voltage ratings. It features a thermal tripping mechanism that responds to prolonged overcurrent conditions. The voltage rating is commonly up to 250VAC or 50VDC. The interrupting capacity varies but is usually several times the rated current. It is designed for front panel mounting. Common certifications include UL, CSA, and VDE. The material used is typically a high-quality thermoplastic that provides excellent insulation and flame retardancy. It is critical to select the correct current rating for the specific application to ensure proper protection. It is also crucial to ensure proper ventilation to allow for heat dissipation during normal operation and fault conditions.