The Siemens SENTRON 3VA1 MCCB – 3VA1140-4EE32-0AA0 is a reliable moulded case circuit breaker (MCCB) designed for line protection and power distribution applications in industrial and commercial electrical systems. It provides efficient protection against overload and short-circuit faults through its advanced TM220 thermal magnetic trip unit.
The 3VA1140-4EE32-0AA0 features an IEC Frame 160 design, 3-pole configuration, and 40A rated operational current. It offers Class S breaking capacity with Icu = 36kA at 415V and includes LI protection, with adjustable overload protection Ir = 28A to 40A and short-circuit protection Ii = 10 × In.
This Siemens SENTRON MCCB is suitable for industrial distribution panels, MCC panels, control panels, machine protection systems, and electrical distribution networks where dependable protection and high operational reliability are required.
At SB Smart, we supply genuine Siemens SENTRON MCCBs, circuit protection devices, switchgear products, and industrial automation solutions with competitive pricing, technical support, bulk order assistance, and fast PAN India delivery.
Genuine Siemens SENTRON 3VA1 MCCB
IEC Frame size: 160
Rated current: 40A
Number of poles: 3 Pole
Breaking capacity: Icu 36kA at 415V
Breaking capacity class: S
Trip unit: TM220 Thermal Magnetic Trip Unit
Protection function: LI (Long-time + Instantaneous)
Adjustable overload protection: Ir = 28A...40A
Short-circuit protection: Ii = 10 × In
Line protection design
ATFM connection technology
Nut keeper kit included
Reliable Siemens SENTRON protection technology
Industrial Power Distribution Panels
Main Distribution Boards (MDB)
Motor Control Centers (MCC)
Factory Electrical Systems
Control Panels
Machine Protection Systems
Commercial Electrical Installations
Automation Panels
Infrastructure Power Systems
Industrial Equipment Protection
Provides reliable overload protection
Protects equipment against short-circuit faults
High breaking capacity for industrial applications
Adjustable thermal protection settings
Improves electrical system safety
Reduces equipment damage risk
Ensures stable power distribution
Easy integration with Siemens SENTRON accessories
Suitable for continuous industrial operation
100% Genuine Siemens Products
Competitive Siemens MCCB Price in India
Expert Technical Support
Bulk Order Assistance
Fast PAN India Delivery
Secure Packaging
Trusted Industrial Electrical Supplier
GST Invoice Available
Reliable After-Sales Support
The 3VA1140-4EE32-0AA0 is a Siemens SENTRON 3VA1 MCCB used for line protection and power distribution applications in industrial electrical systems.
This MCCB has a rated operational current of 40A.
It has a Class S breaking capacity with Icu = 36kA at 415V.
It uses a TM220 thermal magnetic trip unit with LI protection function.
The adjustable overload protection range is Ir = 28A to 40A with short-circuit protection Ii = 10 × In.
Yes. SB Smart supplies genuine Siemens SENTRON industrial protection products with competitive pricing and technical support.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA1 |
| Part Number | 3VA1140-4EE32-0AA0 |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Number of Poles | 3 Pole |
| Rated Current (In) | 40A |
| Frame Size | 160A |
| Breaking Capacity (Icu) | 36kA at 415V AC |
| Rated Operational Voltage (Ue) | Up to 690V AC |
| Rated Insulation Voltage (Ui) | 800V |
| Frequency | 50/60 Hz |
| Trip Unit Type | TM220 Thermal-Magnetic |
| Overload Protection Range (Ir) | 28A – 40A |
| Short-Circuit Protection (Ii) | 10 × In |
| Mounting Type | Fixed Mounting |
| Connection Type | Front Screw Terminal Connection |
| Degree of Protection | IP20 / IP40 (Front Face) |
| Mechanical Endurance | 20,000 Operations |
| Electrical Endurance | 8,000 Operations |
| Power Loss | 10.8 W |
| Standard Compliance | IEC 60947-2 |
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