Description
DC circuit breaker is available for installation in standard busbars. It is generally used for transformers with strict voltage requirements and frequent shifting.
Features
- Extremely high breaking capacity and current limiting characteristics.
- Available for installation in standard busbars.
- Dual function terminals on top and bottom sides (lifting type / open type).
- Optionally fixed to the bus bar on the top or bottom side.
- With isolation function, can be used as the main switch.
- Wiring terminal guidance to prevent mis-wiring.
Specifications
| Electrical Parameter | Model | ATO-FXBN1/BM1-63A |
| Current | 63A | |
| Rated Voltage | DC 250V, 500V, 750V, 1000V | |
| Current Shell Frame | 125A | |
| Numbers of Pole | 1 pole, 2 pole, 3 pole, 4 pole | |
| Breaking Capacity | 25 KA | |
| Rated Insulation Voltage | 1000V | |
| Rated Impulse Withstand Voltage | 8 kV | |
| Total Break Time | 20 ms | |
| Installation Location | any location | |
| Allowable Ambient Temperature | -25 ℃ ~ 50 ℃ | |
| Protection Level | IP20 | |
| Flying Arc Distance | ≥50 mm | |
| Instantaneous Action Valve | 12 ln | |
| Installation Method | fixed, insertion type | |
| Standard | IEC60947-2x IEC60947-K GB14048.R GB14048.2 | |
| Machinery Parameter | Mounting Method | IEC standard track 35 mm |
| Enclosure Protection Level | IP20 | |
| Dual Function Terminals on Both Sides | open type / lifting type | |
| Terminal Protection | finger touch and hand touch safety | |
| Terminal Wiring Capacity | 1-25 mm² | |
| Termianal Screw Tightening Torque | 2-2.4 Nm | |
| Bus Bar Thickness | 0.8-2 mm | |
| Mounting Angle | functionaity is independent of location |
Dimension (Unit: mm)
Wiring Diagram
Details
Tips: What is DC Circuit Breaker?
DC circuit breakers refer to circuit breakers used in DC power distribution systems. Generally applicable to solar photovoltaic power generation and power distribution systems, battery energy storage systems, new energy vehicle DC charging systems, etc. General DC circuit breakers include DC MCB (miniature circuit breaker), DC MCCB (DC molded case circuit breaker).
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