The Siemens 3VA2063-5HM42-0AA0 is a high-performance molded case circuit breaker designed for motor protection in industrial and commercial power distribution systems. It features a compact DIN rail mountable design, suitable for panel building and machine control applications.

Key Features

- 4-pole configuration for three-phase plus neutral protection
- Rated current 63 A with M-curve tripping characteristic (10–20x In) for motor starting
- High breaking capacity up to 65 kA at 400 V AC per IEC 60947-2
- Thermal-magnetic trip unit for overload and short-circuit protection
- Easy installation on standard 35 mm DIN rail

Technical Specifications

- Rated insulation voltage Ui: 690 V AC
- Rated impulse withstand voltage Uimp: 8 kV
- Overvoltage category: III
- Pollution degree: 3
- Mechanical life: 20,000 operations
- Electrical life: 10,000 operations at rated load

Application: Ideal for motor feeders, pumps, compressors, conveyors, and other inductive loads requiring reliable overcurrent protection.