Bentong BTM8-630/3300 630A 3-Pole Molded Case Circuit Breaker for Electrical Protection
The Bentong BTM8-630/3300 is a 3-pole molded case circuit breaker rated at 630A, designed for circuit protection and switching in low-voltage electrical distribution systems. It supports AC380/400/415V and AC660/690V applications and features high short-circuit breaking capacity, making it suitable for industrial and commercial power distribution systems requiring high-current protection.
Product Features
The Bentong BTM8-630/3300 is a 3-pole molded case circuit breaker designed for high-current electrical distribution and circuit protection applications. With a rated current of 630A, it is suitable for power distribution systems requiring substantial current capacity.
The circuit breaker features a robust molded housing and a front-mounted operating handle for convenient manual switching. The input and output sides are clearly marked LINE and LOAD, helping users identify the corresponding connection points during installation.
The front panel includes a PUSH TO TRIP function and clearly displays the product model, rated current and major electrical parameters for convenient product identification and operation.
Application
The BTM8-630/3300 is designed for high-current circuit protection and switching in low-voltage electrical distribution systems.
Typical applications include:
- Industrial power distribution systems
- Main distribution panels
- Commercial electrical installations
- Industrial control cabinets
- Power distribution equipment
- Large electrical machinery
- Three-phase electrical systems
Its 630A rated current makes it suitable for applications requiring higher-capacity circuit protection.
Specifications
| Specification | Details |
| Model | BTM8-630/3300 |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Number of Poles | 3 Poles |
| Rated Current In | 630A |
| Rated Operational Voltage Ue | AC380/400/415V, AC660/690V |
| Rated Insulation Voltage Ui | 1000V |
| Rated Impulse Withstand Voltage Uimp | 12kV |
| Rated Short-Circuit Breaking Capacity Icu | 85kA at AC380/400/415V; 30kA at AC660/690V |
| Rated Service Short-Circuit Breaking Capacity Ics | 65kA at AC380/400/415V; 20kA at AC660/690V |
| Rated Instantaneous Trip Current Ii | 10In |
| Frequency | 50/60Hz |
| Reference Temperature | +40°C |
| Utilization Category | Cat. A |
| Standard | IEC/EN 60947-2 |
| Certification Marking | CE |
Product Details
The BTM8-630/3300 features a sturdy molded enclosure designed for high-current electrical distribution applications. Its 3-pole configuration is suitable for three-phase electrical circuits.
The front-mounted operating handle provides convenient manual operation, while the 630A rating is clearly displayed below the handle for quick identification.
The terminal areas are marked LINE and LOAD, helping distinguish the incoming and outgoing connections. The front panel also provides the model number, rated current, voltage ratings, short-circuit ratings and applicable standard information.












