• Current-limiting miniature circuit breaker with overload & short-circuit protection.
• Suitable for AC 50/60Hz industrial and commercial lighting distribution systems:
Single-pole: up to 230V;2/3/4-pole: up to 400V
• Allows infrequent circuit switching under normal conditions.
• Attractive, compact, lightweight design with DIN-rail mounting.
• Fast tripping response for high protection efficiency.
• Housing and components made of high flame-retardant & impact-resistant plastic for reliability.
• Integrated structure: housing, operating mechanism, contact system, thermal & electromagnetic trip units, and arc extinguishing chamber.
| PRODUCT MODEL | SCB8-125 | |||
| Pole | 1P | 2P | 3P | 4P |
| Rated Operational Voltage/Ue(V) | 230VAC | 230VAC | 400VAC | 400VAC |
| Rated Operational Current/In(A) | 40,50,63,80,100,125A | |||
| Frequency(Hz) | 50/60HZ | |||
| Ultimate Breaking Capacity/Icu(kA) | 6kA | |||
| Rated Breaking Capacity/lcs(kA) | 6kA | |||
| Max. Impulse Current/limp(A) | 6kA | |||
| Mechanical Life | 20000 | |||
| Electrical Life | 4000 | |||
| Fire-retardant Enclosure Level(mm) | 27*82.5*73 | 54*82.5*73 | 81*82.5*73 | 108*82.5*73 |
| Wiring diagram |  |
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| Device Width × Height (mm) | V0 | |||
| Method of Mounting | DIN RAIL | |||
| Mounting | Easy installed and fastening onto 35mm device rail(DIN) | |||
| Terminal Capacity | 25mm² | |||
| Fastening Torque of Terminals | 3N | |||
| Location | Indoor or in the Water-proof Box | |||
| Ambient Temperture | -5℃ To 50℃ | |||
| Altitude | ≤2000m | |||
| Relative Humidity | 90% | |||
| Weight(per pole) | 0.12kg | |||
| Pollution Level | 2 | |||
| Installation Class | II/III | |||
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