
Product Description
Siemens 3VT3763-2AA56-0AA0 Circuit Breaker
Product Overview
- The Siemens 3VT3763-2AA56-0AA0 is a Molded Case Circuit Breaker (MCCB) designed by Siemens for use in low-voltage electrical distribution systems. This circuit breaker is part of the Siemens SENTRON 3VT3 series, known for its compact design, reliability, and versatility in protecting electrical circuits from overloads, short circuits, and faults. It is commonly used in industrial, commercial, and infrastructure applications, such as manufacturing plants, data centers, and building management systems, to ensure safe and efficient power distribution. The 3VT3763-2AA56-0AA0 is designed for high-performance protection with adjustable settings for precise coordination in complex electrical systems.
Technical Specifications
- The 3VT3763-2AA56-0AA0 has the following specifications
| Specification | Details |
|---|---|
| Model/Part Number | 3VT3763-2AA56-0AA0 |
| Manufacturer | Siemens |
| Description | Molded Case Circuit Breaker (MCCB) |
| Series | SENTRON 3VT3 |
| Function | Protects electrical circuits from overloads, short circuits, and faults |
| Rated Current (In) | 630 A |
| Rated Voltage (Un) | Up to 690 V AC |
| Breaking Capacity (Icu) | 55 kA at 415 V AC (ultimate short-circuit breaking capacity) |
| Poles | 3-pole |
| Trip Unit Type | Thermal-magnetic, adjustable |
| Thermal Adjustment Range | 0.8–1.0 x In (504–630 A) |
| Magnetic Adjustment Range | 5–10 x In (3150–6300 A) |
| Frequency | 50/60 Hz |
| Frame Size | 3VT3 (630 A frame) |
| Switching Mechanism | Manual (toggle), optional motorized operation |
| Mounting | Fixed mounting, optional plug-in or withdrawable |
| Connection Type | Front connection (busbar or cable lugs) |
| Enclosure | IP20 (terminals), IP40 (front panel with cover) |
| Material | High-strength molded plastic housing |
| Environmental Specifications | Operating Temperature: -25°C to +70°C (-13°F to +158°F) Storage Temperature: -40°C to +80°C (-40°F to +176°F) Relative Humidity: Up to 95% non-condensing Altitude: Up to 2000 m without derating |
| Dimensions | Approx. 190 mm (H) x 140 mm (W) x 105 mm (D) |
| Weight | Approx. 5–6 kg |
| Certifications | CE, IEC 60947-2, UL 489 (optional), CCC, EAC |