SENTRON 3VA MCCB, Thermal Magnetic Trip Unit - 3VA2040-5HM32-0AA0

Product Description

SENTRON 3VA MCCB, Thermal Magnetic Trip Unit – 3VA2040-5HM32-0AA0

The Siemens 3VA2040-5HM32-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) from the SENTRON 3VA2 series, designed to deliver reliable protection for low-voltage electrical distribution systems. It ensures safe operation by protecting circuits against overload, short-circuit, and earth fault conditions, making it suitable for industrial, commercial, and infrastructure applications.

This MCCB belongs to the 3VA20 frame size (40 A class) and is engineered for high breaking capacity applications up to 55 kA at 415 V AC, ensuring strong fault interruption capability in demanding electrical networks.

It is widely used in industrial switchboards, commercial distribution panels, OEM equipment, and critical power systems, where reliability, compact design, and consistent protection are essential.

🔹 Key Features

• Siemens SENTRON 3VA2 series MCCB
• Part Number: 3VA2040-5HM32-0AA0
• Rated current: 40 A
• 3-pole configuration
• Thermal magnetic / electronic protection (ETU330 LIG variant)
• High breaking capacity: 55 kA @ 415 V AC
• Protection against overload, short circuit & earth fault
• Adjustable protection settings for system coordination
• Compact 3VA20 frame design for space-saving installation
• High electrical and mechanical endurance
• Fixed mounting type for panel integration
• Suitable for industrial-grade LV distribution systems
• Complies with IEC 60947-2 standards