In summary, the Siemens 3VA1580-6MH32-0AA0 is a 1000 A frame, 800 A rated, 3-pole MCCB with TM120M starter protection, 70 kA breaking capacity (Class H), designed for reliable motor and starter short-circuit protection in industrial networks.
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3VA1580-6MH32-0AA0
circuit breaker 3VA1 IEC Frame 1000 breaking capacity class H Icu=70 kA @ 415 V 3-pole, starter protection TM120M, AM, In=800 A without overload protection short-circuit protection Ii=6…12 x In nut keeper kit
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1580-6MH32-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1580-6MH32-0AA0 |
| 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 | 210 W |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 70 W |
| mechanical service life (operating cycles) / typical | 10 000 |
| electrical endurance (operating cycles) / at AC-1 / at 380/415 V | 4 600 |
| electrical endurance (operating cycles) / at AC-1 / at 690 V | 3 200 |
| 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 | 13.825 kg |
Product Description
Product Overview
Product Name: 3VA1 Circuit Breaker
Product Code: 3VA1580-6MH32-0AA0
Brand: Siemens SENTRON
Product Family: 3VA Molded Case Circuit Breakers up to 1600 A (IEC)
Design: Starter protection
Device Type: MCCB with TM120M overcurrent release
Protection Function: I (Short-Circuit)
Number of Poles: 3P
Life Cycle Status: Active Product
EAN: 4042948836507
UPC: 195125111219
Commodity Code: 85362090
Technical Specifications
Frame Size: 1000 A
Rated Current (In): 800 A
Overload Protection: Without
Adjustable Short-Circuit Protection (Ii): 6 … 12 × In
Breaking Capacity (Icu): 70 kA @ 415 V AC (Class H)
Rated Operational Voltage (Ue): 690 V AC
Rated Insulation Voltage (Ui): 800 V
Maximum Power Loss: 210 W
Power Loss per Pole (hot state): 70 W
Mechanical Durability: 10,000 operations
Electrical Endurance (AC-1 380/415 V): 4,600 operations
Electrical Endurance (AC-1 690 V): 3,200 operations
Mounting Type: Fixed mounting
Neutral Conductor Protection: Not upgradable/retrofittable
Ground-Fault Monitoring: Without
Communication Function: No
Measurement Function: No
Net Weight: 13.825 kg
Accessories: Nut keeper kit included
Performance & Features
70 kA breaking capacity (Class H) for high-fault-level networks.
TM120M short-circuit release ensures precise starter protection.
3-pole configuration for motor starter circuits.
Wide short-circuit adjustment range (Ii) for system coordination.
Robust MCCB design optimized for industrial starter applications.
High mechanical endurance of 10,000 cycles.
IEC-compliant for global low-voltage installations.
Applications
Motor starter circuits
Industrial low-voltage distribution boards
Systems requiring high breaking capacity (70 kA)
Protection of machinery and critical infrastructure
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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