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This page explains how Circuit Breaker is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
An automatic electrical switch designed to protect an electrical circuit from damage caused by overcurrent or short circuit.
Technical details and manufacturing context for Circuit Breaker
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Rated Current | 6–630 A | Continuous current the breaker can carry without tripping.IEC 60898-1 |
| Rated Voltage | 230–400 V AC | Nominal system voltage for which the breaker is designed.IEC 60898-1 |
| Breaking Capacity | 6–25 kA | Maximum short-circuit current the breaker can interrupt safely.IEC 60898-1 |
| Tripping Curve | B, C, D | B: 3–5×In, C: 5–10×In, D: 10–20×In.IEC 60898-1 |
| Number of Poles | 1–4 P | 1P, 2P, 3P, 4P configurations. |
| Rated Frequency | 50–60 Hz | Operating frequency range.IEC 60898-1 |
| Mechanical Endurance | 10000–20000 cycles | Number of no-load operations before failure.IEC 60898-1 |
| Electrical Endurance | 4000–8000 cycles | Number of load operations before failure.IEC 60898-1 |
| Operating Temperature | -25–55 °C | Ambient temperature range for normal operation.IEC 60898-1 |
| Degree of Protection | IP20–IP40 | IP20 for finger protection, IP40 for wire protection.IEC 60529 |
| Terminal Capacity | 1–35 mm² | Cross-section of conductors that can be connected.IEC 60947-1 |
| Mounting Type | 35 mm DIN rail | Standard DIN rail mounting.IEC 60715 |
| Weight | 0.1–1.5 kg | Varies with pole count and breaking capacity. |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Circuit Breaker.
This component is essential for the following industrial systems and equipment:
| pressure: | Atmospheric to 1.5 bar |
| other spec: | Rated current: 0.5A to 6300A, Voltage: up to 1000V AC/1500V DC |
| temperature: | -40°C to +85°C |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
12 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A practical evidence checklist for RFQ preparation and supplier evaluation.
CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.
A circuit breaker automatically interrupts electrical current when it detects an overcurrent or short circuit, protecting the circuit and connected equipment from damage.
Tripping curves B, C, and D define the multiple of rated current at which the breaker trips. B: 3–5×In, C: 5–10×In, D: 10–20×In, per IEC 60898-1.
Selection depends on the rated current, voltage, breaking capacity, tripping curve, number of poles, and environmental conditions. Always verify with the manufacturer for the specific application.
Regularly inspect for signs of overheating, mechanical damage, or frequent tripping. Test manual operation periodically. Replace if the breaker fails to reset or shows physical damage.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.
Compare manufacturer profiles with relevant product and process capability.