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B10R2040-30-B IMO RCD 10KA, 30mA, Type B 1 Pole + N, 40 Amp, 230 VAC
£347.65
Why Choose the IMO B10R2040-30-B Type B Residual Current Device?
The IMO B10R2040-30-B is a premium Type B Residual Current Device (RCD/RCCB) engineered to provide advanced earth leakage protection for modern electrical installations. Manufactured by IMO Precision Controls, it is part of the B10R RCCB series and is specifically designed for applications where smooth DC residual currents may be present, such as EV charging systems, variable speed drives, photovoltaic installations and industrial automation equipment.
The device continuously monitors the balance between live and neutral conductors. When a residual current exceeds the rated operating threshold, it rapidly disconnects the supply to help reduce the risk of electric shock, equipment damage and electrical fires caused by earth leakage faults. Type B technology provides protection against alternating AC residual currents, pulsating DC residual currents, smooth DC residual currents and higher-frequency leakage currents up to 1 kHz.
Featuring a 40 A rated current, 30 mA residual operating current, 1 Pole + Neutral configuration, 230/400 V AC operation and a 10 kA conditional short-circuit rating, the B10R2040-30-B offers dependable protection for demanding electrical installations while mounting quickly onto standard DIN rail systems.
Key Advantages
- Advanced Type B residual current protection for modern electrical systems.
- 40 A rated current for higher-load single-phase circuits.
- 30 mA residual operating current providing enhanced personnel protection.
- Detects AC, pulsating DC and smooth DC residual currents.
- Suitable for EV charging, solar PV and variable speed drive applications.
- 10 kA conditional short-circuit rating.
- Compact DIN rail installation.
Key Features
- IMO B10R Type B RCCB series.
- 40 A rated operational current.
- 30 mA rated residual operating current.
- Type B residual current characteristic.
- 1 Pole + Neutral (2 Pole) configuration.
- 230/400 V AC rated voltage.
- 10 kA conditional short-circuit capacity.
- Protection against smooth DC residual current exceeding 6 mA.
- DIN rail mounting to EN 60715.
Advanced Type B Earth Leakage Protection
Type B residual current devices are designed for installations where conventional Type AC or Type A devices may not provide adequate protection. They detect alternating residual currents, pulsating DC residual currents, smooth DC leakage currents and high-frequency leakage currents up to 1 kHz, making them suitable for modern power electronics and energy systems.
The IMO B10R2040-30-B is particularly suited to electric vehicle charging infrastructure, photovoltaic systems, industrial drives, UPS equipment and other applications capable of generating DC fault currents. Like all RCCBs, it should always be installed alongside suitable overcurrent protection.
Typical Applications
- Electric vehicle charging installations.
- Solar photovoltaic (PV) systems.
- Variable speed drives and inverters.
- Industrial automation and machinery.
- UPS and power conversion equipment.
- Commercial and industrial distribution boards.
Technical Specifications
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| Voltage | 230 V | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | RCD | |
| Residual Current | 30 mA | |
| RCD Type | Type B | |
| Manufacturer | IMO Precision Controls | |
| Series | B10R | |
| Model | B10R2040-30-B | |
| Alternative SKU | B10R204030B | |
| Product type | Residual Current Device (RCD/RCCB) | |
| Rated current | 40 A | |
| Rated residual operating current | 30 mA | |
| Residual current characteristic | Type B | |
| Pole configuration | 1 Pole + Neutral (2 Pole) | |
| Rated voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Conditional short-circuit rating | 10 kA | |
| Residual DC smooth current detection | >6 mA | |
| Mounting type | DIN rail EN 60715 | |
| Protection rating | IP20 | |
| Standard | IEC 61008-1 & IEC 62423 | |
| Dimensions (H × W × D) | 81 × 35.1 × 78.5 mm | |
| Weight | 0.206 kg | |
| Barcode | 5056207487248 | |
| HS Code | 8536201090 | |
| Country of Manufacture | China |
Frequently Asked Questions
What is the IMO B10R2040-30-B used for?
The B10R2040-30-B protects electrical installations by disconnecting the supply when AC, pulsating DC or smooth DC earth leakage currents are detected.
What makes a Type B RCD different?
Type B RCDs detect alternating AC, pulsating DC, smooth DC and higher-frequency residual currents, making them suitable for EV chargers, inverters and other electronic power conversion equipment.
What is the current rating?
The IMO B10R2040-30-B has a rated operational current of 40 A.
What residual current sensitivity does it provide?
The device has a 30 mA rated residual operating current for enhanced personnel protection.
Does this RCCB provide overload protection?
No. The B10R2040-30-B provides residual current protection only and must be used alongside a suitably rated miniature circuit breaker or fuse for overload and short-circuit protection.
Trusted Electrical Protection from IMO
IMO Type B residual current devices are trusted by electrical contractors, OEMs and industrial engineers where advanced residual current detection is required for EV charging, renewable energy and modern electronic power systems.
