Siemens circuit breaker 3VA1 IEC Frame 250 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection TM240, ATAM, In=250 A overload protection Ir=175 A…250 A short-circuit protection Ii=5…10 x In nut keeper kit.
Features & Applications:
1.Protection functions: Overload, short-circuit, and line protection suitable for industrial power distribution
2.Installation types: Fixed mounting; suitable for low-voltage distribution systems, commercial infrastructure, industrial facilities, and photovoltaic DC-side protection (subject to verification of DC capacity)
3.Operation and control: Supports manual and motorized operation with optional remote control; some electronic trip units allow fieldbus communication and measurement functions
4.Standards & certifications: Compliant with international IEC standards, DIN EN marking system, and approvals for special applications such as naval non-combat vessels
5.Industrial compatibility: Offers UL and IEC frame sizes and is designed for high reliability under continuous operation, ensuring protection for motors, circuits, and system components
| Attribute | Specification |
|---|---|
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Brand | Siemens Sentron, 3VA1 IEC series |
| Poles | 3-pole |
| Rated Current (In) | 250 A |
| Frame Size | 250M |
| Trip Unit | TM240 Thermal-Magnetic (adjustable) |
| Protection Functions | Overload (LI) and Short-circuit protection (LI) |
| Overload Protection Range (Ir) | Adjustable from 175A to 250A (0.7-1x In) |
| Short-Circuit Protection Range (Ii) | Adjustable from 1250A to 2500A (5-10x In) |
| Ultimate Short Circuit Breaking Capacity (Icu) | 55 kA at 415 VAC; 10 kA at 690 VAC; 85 kA at 220/240vac |
The Siemens 3VA1225-5EF32-0AA0 is a 3-pole molded-case circuit breaker with a 250 A rated current, 55 kA breaking capacity at 415 V, TM240 overcurrent release, and line protection features for industrial and infrastructure applications.
