The Siemens 3VM1020-3ED32-0AA0 is a SENTRON 3VM Molded Case Circuit Breaker (MCCB) designed for reliable overload and short-circuit protection in low-voltage power distribution systems. It features a 20A rated current, 3-pole configuration, and 25kA breaking capacity at 415V AC. The breaker is equipped with a TM210 thermal-magnetic trip unit offering fixed overload and fixed short-circuit protection, making it suitable for industrial, commercial, and infrastructure applications.
The compact Frame Size 100 design provides high reliability, easy installation, and long service life. It is widely used in distribution panels, MCC panels, machinery protection circuits, and industrial switchboards.
• Siemens SENTRON 3VM MCCB
• Model: 3VM1020-3ED32-0AA0
• Frame Size: 100
• Rated Current (In): 20A
• 3-Pole configuration
• Breaking Capacity: 25kA at 415V AC
• TM210 Thermal-Magnetic Trip Unit
• Fixed Thermal & Fixed Magnetic Protection (FTFM)
• Overload Protection: Ir = 20A
• Short-Circuit Protection: Ii = 16 × In
• Protection Function: LI (Overload + Short Circuit)
• Compact and space-saving design
• Front connection terminals
• High electrical and mechanical durability
• Suitable for industrial and commercial installations
• Easy installation and maintenance
• Reliable Siemens protection technology
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VM |
| Model Number | 3VM1020-3ED32-0AA0 |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Frame Size | 100 |
| Rated Current (In) | 20A |
| Number of Poles | 3 Pole |
| Breaking Capacity (Icu) | 25kA @ 415V AC |
| Switching Capacity Class | N |
| Trip Unit | TM210 Thermal Magnetic |
| Protection Function | LI |
| Overload Protection | Fixed (Ir = 20A) |
| Short-Circuit Protection | Fixed (Ii = 16 × In) |
| Rated Insulation Voltage (Ui) | 800V |
| Rated Operational Voltage (Ue) | Up to 690V AC |
| DC Operating Voltage | Up to 500V DC |
| Frequency | 50/60 Hz |
| Mounting Type | Fixed Mounting |
| Connection Type | Front Connection |
| Mechanical Life | 12,000 Operations |
| Electrical Life | 2,000 Operations @ 415V AC |
| Maximum Power Loss | 12W |
| Net Weight | Approx. 0.944 kg |
| Application | Line Protection |
| Brand | Siemens |
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