Live Electrical CN132B 32A B Curve Double Pole Bi-Directional MCB for SRN Consumer Units

32A 2 Pole Bi-Directional B Curve MCB for Compatible Live Electrical SRN Consumer Units

The Live Electrical CN132B is a 32A B Curve double pole bi-directional miniature circuit breaker (MCB) designed specifically for compatible Live Electrical SRN consumer units and double pole busbar arrangements.

Rated at 230V with a 6kA fault current rating, the CN132B provides overcurrent protection for appropriately designed 32A circuits while using a 2 pole configuration. Its bi-directional design allows current flow in either direction where required by the compatible electrical installation.

The CN132B is intended specifically for the Live Electrical SRN consumer unit system and should be used with the appropriate SRN board and compatible Live Electrical double pole busbar arrangement.

Features

• Live Electrical CN132B
• 32A Current Rating
• B Curve Tripping Characteristic
• Double Pole / 2P Configuration
• Bi-Directional MCB
• 6kA Fault Current Rating
• 230V Rated
• Miniature Circuit Breaker
• Designed for Live Electrical SRN Consumer Units
• Compatible with Appropriate Live Electrical SRN Busbars
• Suitable for Compatible Double Pole Busbar Arrangements
• Provides Overcurrent Protection
• Suitable for Appropriately Designed 32A Circuits
• Purpose-Designed SRN Consumer Unit Protective Device
• Ideal as a Compatible Replacement or Additional SRN MCB

32A Current Rating

The CN132B has a rated current of 32A, making it suitable for appropriately designed circuits requiring a 32A protective device.

A 32A rating is commonly encountered on a variety of power circuits, but the correct MCB rating must always be determined according to the conductor size, installation method, connected load, circuit design and applicable electrical installation requirements.

The 32A rating should therefore be selected as part of the circuit design rather than solely according to the type of equipment connected.

B Curve Tripping Characteristic

The CN132B features a B Curve tripping characteristic.

B Curve MCBs are commonly specified for appropriate domestic and light commercial circuits where expected inrush currents are relatively low.

The required tripping characteristic should always be matched to the characteristics of the connected load and overall electrical installation.

Double Pole / 2P Configuration

The Live Electrical CN132B is a 2 pole device, designed for the compatible double pole arrangement used within the Live Electrical SRN consumer unit system.

This configuration distinguishes it from conventional single-pole MCBs and makes correct compatibility with the consumer unit and busbar especially important.

When adding or replacing a protective device, installers should verify that the existing board uses the compatible Live Electrical SRN double pole busbar arrangement.

Bi-Directional Operation

The CN132B is bi-directional, allowing operation with current flow in either direction where required by the compatible electrical installation.

Bi-directional protective devices can be particularly useful in modern electrical systems where power flow is not necessarily limited to a traditional single direction.

Designed for Live Electrical SRN Consumer Units

The CN132B is specifically intended for compatible Live Electrical SRN consumer units.

Protective devices from different manufacturers, or even different consumer unit ranges from the same manufacturer, should not automatically be considered interchangeable simply because their ratings or physical dimensions appear similar.

The CN132B should therefore be paired with the appropriate Live Electrical SRN consumer unit and compatible double pole busbar arrangement.

Live Electrical's SRN double-pole platform is also used with its current compact double-pole protective devices, with retailer documentation specifically warning that SRN double-pole busbar devices are not intended for conventional consumer-unit arrangements.

Compatible with SRN Double Pole Busbar Arrangements

The device is intended for use with the appropriate Live Electrical SRN double pole busbar system.

This matched arrangement allows the protective device to integrate with the consumer unit system for which it has been designed.

Customers purchasing the CN132B as an additional or replacement MCB should therefore check the model and configuration of their existing Live Electrical board before ordering.

6kA Fault Current Rating

The CN132B has a 6kA fault current rating.

Live Electrical's MCB product family uses 6kA devices across its B Curve range, including its established 32A MCB products.

The breaking capacity is an important consideration when specifying circuit protection and should be assessed alongside the prospective fault current and overall design of the electrical installation.

230V Rated

The Live Electrical CN132B is rated at 230V, making it suitable for its intended low-voltage electrical distribution application within compatible SRN installations.

The voltage, prospective fault current, protective-device characteristics and connected circuit must all be considered when specifying the correct MCB.

MCB Overcurrent Protection

As a miniature circuit breaker, the CN132B provides overcurrent protection for an appropriately designed electrical circuit.

This means the device should not be confused with an RCBO.

An MCB provides protection against overcurrent conditions such as overload and short-circuit faults, whereas an RCBO additionally incorporates residual-current protection.

Where 30mA residual-current protection is required, this must therefore be provided by the appropriate protective arrangement elsewhere in the installation.

32A Circuit Applications

A 32A MCB can be used on a variety of appropriately designed circuits where its rating and B Curve characteristic have been determined to be suitable.

Potential applications can include certain power and final circuits, subject to the electrical design.

The suitability of the CN132B should always be established by considering:

• Design current of the circuit
• Cable size and current-carrying capacity
• Installation method
• Voltage drop
• Prospective fault current
• Disconnection requirements
• Connected equipment characteristics
• Required tripping curve
• Applicable requirements of BS 7671

The 32A rating alone should not be used to determine whether the device is suitable for a particular circuit.

Ideal as a Compatible SRN Replacement or Additional MCB

The CN132B provides a convenient option when adding an appropriately rated circuit to a compatible SRN consumer unit or replacing an existing compatible protective device.

When selecting a replacement, the important characteristics include not only the 32A B Curve rating, but also the 2P configuration, bi-directional capability and compatibility with the Live Electrical SRN double pole busbar system.

The full CN132B product code should therefore be used when identifying and ordering the required device.

• Brand: Live Electrical
• Product Code: CN132B
• Product Type: Miniature Circuit Breaker (MCB)
• Series Compatibility: Live Electrical SRN Consumer Units
• Current Rating: 32A
• Tripping Curve: B Curve
• Number of Poles: 2P / Double Pole
• Directionality: Bi-Directional
• Fault Current Rating: 6kA
• Rated Voltage: 230V
• Busbar Compatibility: Compatible Live Electrical SRN Double Pole Busbar Arrangement
• Application: Circuit Overcurrent Protection
• Consumer Unit Compatibility: Live Electrical SRN Consumer Units Only

Important Compatibility Information

The Live Electrical CN132B is intended for compatible Live Electrical SRN consumer units and double pole busbar arrangements.

It should not be treated as a universal 32A MCB for arbitrary consumer units.

Live Electrical's SRN double-pole ecosystem uses a dedicated dual-busbar arrangement, so compatibility with the existing board should be confirmed before ordering a replacement or additional device.

CN106B vs CN125B vs CN132B

These products follow the same SRN MCB format but have different current ratings:

• CN106B – 6A B Curve Double Pole Bi-Directional MCB
• CN125B – 25A B Curve Double Pole Bi-Directional MCB
• CN132B – 32A B Curve Double Pole Bi-Directional MCB

The CN132B is the 32A version and should be selected only where the electrical circuit has been designed for a 32A B Curve protective device.

Suitable Applications

• Live Electrical SRN Consumer Units
• Compatible Live Electrical SRN Distribution Equipment
• Compatible Double Pole Busbar Arrangements
• Appropriately Designed 32A Circuits
• Domestic Electrical Installations
• Residential Electrical Distribution
• Appropriate Power Circuits
• New-Build Electrical Installations
• Consumer Unit Upgrades
• Replacement SRN Protective Devices
• Additional SRN Consumer Unit Circuits
• Appropriate Commercial Electrical Installations
• Circuits Requiring a 32A B Curve MCB

Why Choose the Live Electrical CN132B?

The Live Electrical CN132B provides a purpose-designed solution when a 32A B Curve double pole bi-directional MCB is required for a compatible Live Electrical SRN consumer unit.

Its 32A current rating and B Curve characteristic make it suitable for appropriately designed circuits requiring these protection characteristics, while its 2P configuration matches the compatible double pole SRN arrangement.

The device is also bi-directional, allowing operation with current flow in either direction where required by the design of the compatible electrical installation.

With a 6kA fault current rating and 230V rating, the CN132B provides the core electrical characteristics required for its intended SRN application.

Most importantly, it is designed for the Live Electrical SRN consumer unit and compatible double pole busbar system, helping electricians and customers identify the correct protective device rather than relying on a visually similar MCB intended for another consumer unit range.

For compatible SRN installations requiring a 32A double pole B Curve bi-directional MCB, the Live Electrical CN132B provides a practical, purpose-designed circuit protection solution.