SHELLY Pro 1CB C63 Circuit Breaker
The SHELLY Pro 1CB C63 is a smart, single-pole circuit breaker with a rated current of 63 A, a C-type trip characteristic, and a short-circuit breaking capacity of 6 kA, designed for single-phase installations. The device protects the circuit against overloads, short circuits, and overvoltage and undervoltage, automatically cutting off the power supply if any abnormalities are detected. Thanks to Wi-Fi, Bluetooth, and Ethernet connectivity, it enables remote control, voltage monitoring, and real-time circuit status checks. The fault notification feature and an event log with date, time, and cause of tripping facilitate installation diagnostics. The circuit breaker works with the Shelly Smart Control app and external automation systems, supports schedules and automation scenarios, and does not require an additional control unit to operate. A mechanical safety switch allows you to disable remote control, while DIN-rail mounting simplifies installation in an electrical panel.
| Manufacturer | Shelly |
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| Model | Pro 1CB |
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| Type | smart circuit breaker (MCB) |
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| Number of poles | 1 |
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| Rated current | 63 A |
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| Short-circuit breaking capacity | 6 kA |
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| Supply voltage | 230 V AC, 50 Hz |
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| Minimum operating voltage | 160 V AC |
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| Energy limitation class | 3 |
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| Insulation voltage | 500 V |
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| Rated impulse voltage | 4 kV |
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| Protection | Overload, short-circuit, overvoltage, and undervoltage |
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| Connectivity | Wi-Fi 2.4 GHz, Bluetooth 4.2, Ethernet (RJ45) |
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| Support | Shelly Smart Control, MQTT, HTTP, WebSocket |
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| Additional features | remote control, schedules, scripts, notifications, 100-event log, BLE Gateway, Wi-Fi range extender |
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| Sensors | AC voltage measurement, internal temperature sensor |
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| Voltage measurement accuracy | ±5% |
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| Mounting | DIN rail |
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| Dimensions | 93 × 36 × 74 mm |
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| Weight | 212 g |
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| Operating temperature | -5°C to 40°C |
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| Housing color | light gray |
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