B10R4063-300 IMO RCD 10KA, 300mA 3 Pole + N, 63 Amp, 415VAC

B10R4063-300 IMO RCD 10KA, 300mA 3 Pole + N, 63 Amp, 415VAC

SKU: B10R4063-300Alt SKU: B10R4063300MPN: B10R4063-300
Price
List Price £69.36 ex VAT
Your Price (ex VAT) Save 30%
£48.55 30% OFF
You save £20.81 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £48.55
Trade pricing is personalised to your account

Manufacturer Lead Time

£48.55

Why Choose the IMO B10R4063-300 Residual Current Circuit Breaker?

The IMO B10R4063-300 is a high-quality Residual Current Circuit Breaker (RCCB) engineered to provide dependable protection against earth leakage faults in commercial and industrial electrical installations. Manufactured by IMO Precision Controls, this four-pole RCCB continuously monitors current flowing through a three-phase plus neutral circuit and disconnects the electrical supply whenever hazardous residual currents are detected, helping reduce the risk of fire caused by earth faults.

Designed in accordance with IEC/EN 61008-1, the B10R4063-300 features a compact modular design for straightforward installation on standard TS35 DIN rail systems within distribution boards, switchgear and industrial control panels. Its robust construction makes it ideal for demanding industrial and commercial environments.

With a 63A rated current, 300mA residual operating current, Type AC protection and a 230/400V AC three-phase plus neutral supply, the IMO B10R4063-300 is ideal for distribution systems requiring reliable earth fault and fire protection.

Key Advantages

  • Reliable 4-pole residual current protection for commercial and industrial installations.
  • 63A rated current suitable for three-phase electrical circuits.
  • 300mA residual current sensitivity for earth fault and fire protection.
  • Type AC protection for sinusoidal alternating residual currents.
  • 10kA conditional short-circuit rating.
  • Compact TS35 DIN rail mounting for quick installation.

Key Features

  • IMO B10R Residual Current Circuit Breaker series.
  • 63A rated current.
  • 300mA rated residual operating current (IΔn).
  • 230/400V AC operating voltage.
  • 3 Pole + Neutral (4 Pole) configuration.
  • Type AC residual current protection.
  • 10kA conditional short-circuit rating.
  • TS35 DIN rail mounting.
  • Manufactured in accordance with IEC/EN 61008-1.
  • IP20 protection rating.

Reliable Earth Fault and Fire Protection

Residual Current Circuit Breakers continuously monitor current flowing through live conductors and disconnect the supply whenever earth leakage currents exceed the rated operating threshold. A 300mA RCCB is typically specified to provide earth fault and fire protection in commercial and industrial electrical installations, helping reduce the risk of equipment damage and electrical fires caused by insulation faults.

The IMO B10R series combines dependable protection, compact dimensions and straightforward DIN rail installation, making it suitable for industrial machinery, commercial buildings and modern electrical distribution systems.

Typical Applications

  • Industrial distribution boards.
  • Commercial electrical installations.
  • Machine control panels.
  • Manufacturing facilities.
  • Building services infrastructure.
  • Three-phase power distribution systems.
  • Circuits requiring 300mA earth leakage protection.

Technical Specifications

Tick the specs you need, then view products that match.

Voltage 415 V
Phase Three Phase
Poles 3-pole + N
Device Type RCD
Residual Current 300 mA
Manufacturer IMO Precision Controls
Series B10R RCCB
Model B10R4063-300
Product type Residual Current Circuit Breaker (RCCB)
Rated current 63A
Rated residual operating current 300mA
Residual current characteristic Type AC
Rated voltage 230/400V AC
Frequency 50 / 60Hz
Pole configuration 3 Pole + Neutral (4 Pole)
Rated conditional short-circuit current 10kA
Protection rating IP20
Mounting type TS35 DIN rail
Terminal capacity 1 to 25mm²
Dimensions (H × W × D) 81 × 73.5 × 78.5mm
Weight Approx. 0.412kg
Compliance IEC/EN 61008-1
HS Code 8536201090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10R4063-300 used for?

It protects three-phase electrical circuits by disconnecting the power supply whenever earth leakage currents exceed the rated operating level.

What is the rated current of this RCCB?

The IMO B10R4063-300 has a 63A rated current.

What residual current sensitivity does it provide?

This model provides 300mA residual operating current (IΔn), making it suitable for earth fault and fire protection applications.

What type of residual current does it detect?

The B10R4063-300 is a Type AC RCCB, designed to detect sinusoidal alternating residual currents.

Does this RCCB provide overload protection?

No. The B10R4063-300 provides residual current protection only and must be installed alongside an appropriately rated circuit breaker or fuse to provide overload and short-circuit protection.

Trusted Protection for Industrial Electrical Systems

IMO Precision Controls residual current circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for dependable earth leakage protection, reliable performance and compliance with recognised international safety standards.