3VT3763-2AA56-0AA0 Siemens Circuit Breaker | High Capacity MCCB

Product Description / Overview

The Siemens 3VT3763-2AA56-0AA0 is a robust molded case circuit breaker (MCCB) from the 3VT3 series, designed for low-voltage industrial and commercial power distribution.
It provides reliable protection against overloads, short circuits, and other electrical faults, ensuring safe operation of critical systems.

Moreover, the 3-pole design with adjustable electronic trip units allows precise protection for feeders, motors, and distribution circuits.
Its high breaking capacity ensures safe interruption under demanding industrial conditions, making it suitable for heavy-duty applications.

The MCCB features a compact frame size for easy panel integration, with flexible mounting and connection options.
In addition, accessories such as shunt trips, undervoltage releases, auxiliary contacts, and communication modules enhance its functionality.

Technical Data / Specifications

Product Type: Molded Case Circuit Breaker (MCCB)
Series: Siemens 3VT3
Poles: 3-pole
Frame Size: 630 A frame
Rated Current (In): 630 A
Rated Operational Voltage (Ue): Up to 690 V AC
Rated Insulation Voltage (Ui): 1000 V
Breaking Capacity: High Icu/Ics, typically up to 50–70 kA at 415 V AC
Trip Unit Type: Electronic trip unit, adjustable
Protection Functions: Overload (thermal), short-circuit (magnetic/electronic), optional ground fault
Mounting: Fixed type
Connection Type: Front terminal connection
Frequency: 50/60 Hz
Standards Compliance: IEC 60947-2
Operating Temperature: -25 … +55 °C
Storage Temperature: -40 … +70 °C
Mechanical Endurance: ≥ 10,000 operations
Electrical Endurance: ≥ 5,000 operations at rated current
Dimensions (L × W × H): Approx. 325 × 210 × 110 mm
Weight: 12–14 kg

FAQ

What is the rated current for this circuit breaker?
The Siemens 3VT3763-2AA56-0AA0 is rated for 630 A operational current.

What is the breaking capacity of this MCCB?
It provides high breaking capacity, typically up to 50–70 kA at 415 V AC.

Can the trip settings be adjusted?
Yes, the electronic trip unit allows adjustable protection for overload and short circuits.

What mounting options are available?
This MCCB is fixed type with front terminal connection for secure panel installation.

Are accessories available for this breaker?
Yes, shunt trips, undervoltage releases, auxiliary contacts, and communication modules are compatible.