3VA4120-4ED24-0AA0 - 20Amp Circuit Breaker

3VA4120-4ED24-0AA0 åÊ- åÊ20Amp Circuit Breaker

The Siemens 3VA4120-4ED24-0AA0 is a high-quality molded case circuit breaker designed to provide reliable protection in commercial and industrial electrical systems. With a 25 kA breaking capacity at 480V, this 2-pole circuit breaker is ideal for line protection in circuits requiring efficient fault clearance and maximum reliability. Featuring 20A overload protection and preset short-circuit protection (Ii = 15 x In), the 3VA4120 is designed to protect against both overload and short-circuit conditions, ensuring the safety and longevity of electrical equipment.

Key Features and Benefits

• Overload Protection: With 20A overload protection (In = 20A), the breaker prevents equipment from damage due to prolonged overcurrent conditions, enhancing system longevity.
• Preset Short-Circuit Protection: The circuit breaker offers permanently set short-circuit protection (Ii = 15 x In), ensuring optimal safety and protection from high short-circuit currents.

Technical Specifications

• Frame Size: UL 125
• Breaking Capacity: 25 kA at 480V
• Number of Poles: 2-Pole
• Rated Current (In): 20A
• Overload Protection (Ir): 20A
• Short-Circuit Protection (Ii): 15 x In (permanently set)
• Voltage Rating: 480V
• Current Limiting Class: Class S
• Weight: 0.514 kg
• Dimensions: 135 mm x 168 mm x 58 mm (L x W x H)

Material Compliance and Certifications

• RoHS Compliant: The 3VA4120 is fully RoHS compliant, ensuring that it meets environmental safety standards by restricting the use of hazardous materials.
• UL Listed: The circuit breaker is UL 489 certified, confirming its adherence to safety standards for North American electrical systems.
• IEC Compliant: This product also meets IEC standards, ensuring suitability for international use.

Suitability

• The Siemens 3VA4120-4ED24-0AA0 is designed for industrial and commercial electrical systems where line protection is essential. With its 25 kA breaking capacity and 20A overload protection, it is well-suited for applications in industries such as manufacturing, automotive, construction, and energy. The 2-pole configuration is perfect for systems that require reliable protection for two-phase circuits, offering efficient and compact protection against overcurrent and short-circuit conditions. This circuit breaker ensures maximum system protection, minimizing the risk of equipment damage and downtime in demanding environments.