In summary, the Siemens 3VA1325-6MH32-0AA0 is a 250 A, 3-pole molded case circuit breaker from the SENTRON 3VA1 series, featuring Class H (70 kA) short-circuit performance. With its TM120M magnetic-only trip unit, it provides dependable protection for starter circuits, ensuring high durability, robust design, and easy installation in industrial power systems.
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3VA1325-6MH32-0AA0
circuit breaker 3VA1 IEC Frame 400 breaking capacity class H Icu=70 kA @ 415 V 3-pole, starter protection TM120M, AM, In=250 A without overload protection short-circuit protection Ii=8…16 x In nut keeper kit
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1325-6MH32-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1325-6MH32-0AA0 |
| Product Description | |
| Product family | 3VA Molded Case Circuit Breakers up to 1600 A, IEC |
| Product Lifecycle (PLM) | Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 12P / 53J |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | LOA—– |
| General technical data | |
| insulation voltage / rated value | 800 V |
| operating voltage / at DC / rated value | |
| operating voltage / at AC / rated value | 690 V |
| power loss [W] / maximum | 30 W |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 10 W |
| mechanical service life (operating cycles) / typical | 20 000 |
| electrical endurance (operating cycles) / at AC-1 / at 380/415 V | 6 000 |
| electrical endurance (operating cycles) / at AC-1 / at 690 V | 4 200 |
| ground-fault monitoring version | Without |
| WEEE (2012/19/EU) Take-Back Obligation | Yes |
| REACH Art. 33 Duty to inform according to the current list of candidates | not available |
| Net Weight | 4.927 kg |
Product Description
Product Overview
Product Name: 3VA1 Molded Case Circuit Breaker
Product Code: 3VA1325-6MH32-0AA0
Brand: Siemens SENTRON
Product Family: 3VA Molded Case Circuit Breakers up to 1600 A (IEC Standard)
Design: Starter protection
Trip Unit: TM120M (Magnetic only)
Protection Type: I (Instantaneous short-circuit protection only)
Number of Poles: 3P
Life Cycle Status: Active Product
Technical Specifications
Rated Current (In): 250 A
Short-Circuit Protection (Ii): Adjustable from 8…16 × In
Breaking Capacity: 70 kA @ 415 V AC (Class H)
Rated Insulation Voltage (Ui): 800 V
Rated Operational Voltage (Ue): 690 V AC
Maximum Power Loss: 30 W total
Power Loss per Pole: 10 W (at rated current in hot operating state)
Mechanical Durability: 20,000 operations
Electrical Endurance:
6,000 cycles @ 380/415 V AC
4,200 cycles @ 690 V AC
Neutral Conductor Protection: Not available (non-retrofittable)
Ground-Fault Monitoring: Not available
Communication / Measurement Functions: Not available
Net Weight: 4.93 kg
Performance & Features
Starter protection type — provides instantaneous short-circuit protection only, ideal for systems where overload protection is provided by a separate device (e.g., motor protection relay).
High breaking capacity (Class H) — with Icu = 70 kA @ 415 V AC, suitable for demanding industrial conditions.
Compact and reliable 3-pole design ensures space-efficient installation and robust performance.
Long mechanical service life up to 20,000 operations for extended system reliability.
Includes nut keeper kit for secure and simplified mounting.
No communication or measurement features, allowing straightforward manual operation.
Applications
Motor starter and feeder circuits
Industrial machinery and automation panels
Power distribution systems requiring short-circuit protection only
Applications where overload protection is handled externally
Summary
Frequently Asked Questions
What is the full form of MCCB in Siemens?
The full form of MCCB is Molded Case Circuit Breaker. A Siemens MCCB is designed to handle high electrical currents, often up to 1000A, making it highly reliable for industrial and commercial applications. These breakers provide advanced protection against overloads and short circuits, ensuring the safety of large electrical systems.
What is the difference between a Molded Case Circuit Breaker (MCB) and an MCCB?
The main difference between an MCB (Miniature Circuit Breaker) and an MCCB (Molded Case Circuit Breaker) lies in their capacity and applications.
✅MCBs are generally used for low-power applications, with a short-circuit breaking capacity of up to 10–15 kA. They are best suited for residential and light commercial systems.
✅ MCCBs, on the other hand, are designed for medium to high-power applications, with a breaking capacity ranging from 15 kA up to 100 kA and current ratings up to 1000A. This makes them ideal for industrial environments where large electrical loads need reliable protection.
Which company circuit breaker is best?
✅ In 2025, the leading circuit breaker brands include Siemens, Schneider Electric, ABB, Eaton, and Legrand. Among them, Siemens MCCBs—especially the Sentron 3VA series—stand out for safety, durability, and advanced circuit protection in industrial and commercial applications.
What breakers work in a Siemens box?
Siemens QT, QP, QAF, and QPF breakers fit Siemens panels. However, not all breakers are interchangeable—e.g., a QT breaker cannot replace a QP breaker. Always check compatibility before replacing.
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