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The IMO B10R4080-30-A is a high-performance Residual Current Circuit Breaker (RCCB) designed to provide reliable protection against earth leakage faults in commercial, industrial and three-phase electrical installations. As part of the trusted IMO B10R RCCB series, this device offers dependable protection against electric shock and insulation faults while supporting modern installations containing electronic equipment that can generate pulsating DC residual currents. It is manufactured in accordance with IEC/EN 61008-1.
The RCCB continuously monitors the balance between live conductors and neutral, disconnecting the supply rapidly whenever residual current exceeds the specified operating threshold. Its compact modular housing and DIN rail mounting enable quick installation in distribution boards and industrial control panels while providing long-term reliability.
With a rated current of 80 A, 30 mA residual operating current, Type A protection and a 3 Pole + Neutral (4 Pole) configuration, the IMO B10R4080-30-A is ideal for protecting three-phase distribution systems, machinery, automation equipment and commercial electrical installations.
Residual Current Circuit Breakers continuously compare the current flowing through live conductors and neutral. When an earth leakage fault is detected, the device disconnects the circuit rapidly, helping reduce the risk of electric shock and electrical fires caused by insulation failures.
The IMO B10R Type A series is suitable for installations containing electronic loads such as variable speed drives, power supplies and other equipment capable of generating pulsating DC residual currents, providing dependable protection for modern commercial and industrial electrical systems.
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| Voltage | 415 V | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole + N | |
| Device Type | RCD | |
| Residual Current | 30 mA | |
| Manufacturer | IMO Precision Controls | |
| Series | B10R | |
| Model | B10R4080-30-A | |
| Product type | Residual Current Circuit Breaker (RCCB) | |
| Rated current | 80 A | |
| Residual operating current | 30 mA | |
| Residual current characteristics | Type A | |
| Operating voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Pole configuration | 3 Pole + Neutral (4 Pole) | |
| Conditional short-circuit rating | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail EN 60715 | |
| Terminal capacity | 35 mm² solid, 25 mm² stranded conductor | |
| Operating temperature | -25°C to +55°C | |
| Dimensions (H × W × D) | approx. 81 × 73.5 × 49.7 mm | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
It provides residual current protection by disconnecting electrical circuits when earth leakage faults occur, helping protect personnel and electrical equipment.
The device has a rated current of 80 A.
Type A RCCBs detect both alternating residual currents and pulsating DC residual currents, making them suitable for installations containing modern electronic equipment.
It is designed for 230/400 V AC electrical systems operating at 50/60 Hz.
The RCCB mounts onto a standard DIN rail (EN 60715) inside electrical distribution boards and control panels.
IMO B10R residual current circuit breakers are trusted by electricians, panel builders and industrial engineers for dependable earth leakage protection, reliable operation and compliance with recognised international standards.
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