Fusebox MT06C321 32A C Curve 6kA MCB Single Pole (Miniature Circuit Breaker)
£2.50
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(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
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This is the Fusebox MT06C321 32A C Curve 6kA Miniature Circuit Breaker (MCB) – DIN Rail Overload & Short-Circuit Protection available at SparksDirect.co.uk for the best price.
The Fusebox MT06C321 is a Single Pole miniature circuit breaker (MCB) engineered to protect electrical circuits from overloads and short circuits. It belongs to the C Curve range in the Fusebox MT06 series, meaning it’s designed to tolerate moderate inrush currents — for example from motors, fluorescent lighting, or power tools — before tripping, making it ideal for more demanding electrical circuits compared to standard B-curve breakers.
Installed inside a consumer unit or distribution board, the MT06C321 mounts securely on a 35mm DIN rail and acts as an automatic safety switch. When current exceeds safe limits, the breaker disconnects the circuit, helping prevent wiring damage, fires, or equipment failure. Unlike old-style fuses that must be physically replaced after fault conditions, this breaker resets manually once the fault is cleared.
This model complies with recognised safety standards such as IEC/EN 60898-1 and meets the needs of residential, commercial, and light industrial installations requiring reliable protection and regulatory compliance.
Features and Benefits
- C Curve tripping characteristic — trips between 5× to 10× rated current, helping avoid nuisance trips on circuits with higher start-up surges.
- 32A current rating — suitable for moderately high-demand circuits (e.g., sockets, small motor circuits, some appliances).
- 6kA breaking capacity — safely interrupts fault currents up to 6000A at 230V.
- Thermal-magnetic trip unit — combines overload and short-circuit protection in one device.
- DIN-rail mounting — easy installation and replacement in standard consumer units.
- Compact single-module design — saves space inside electrical panels.
- IP20 finger-safe enclosure — basic protection from accidental contact with live parts.
- Standards compliance — meets EN/IEC 60898-1 safety requirements.
Technical Specifications
- Brand / Range: Fusebox MT06C series C Curve MCB
- Model: Fusebox MT06C321
- Device Type: Miniature Circuit Breaker (MCB)
- Number of Poles: 1P (single pole)
- Rated Current (In): 32A
- Rated Voltage: 230V AC
- Frequency: 50/60 Hz
- Tripping Curve: C Curve (5–10× In)
- Rated Breaking Capacity: 6kA (6000A)
- Mounting: 35mm DIN rail
- Trip Mechanism: Thermal-magnetic
- Protection Rating: IP20 (finger-safe)
- Terminal Capacity: Up to 16mm² (typical for MT06 series)
- Recommended Tightening Torque: 2.5 Nm
- Material: PA6 (nylon) housing
- Mechanical Endurance: 10 000 operations
- Standards Compliance: EN/IEC 60898-1
- Dimensions: 83 x 18 x 69mm (height x width x depth); 1 module)
- Weight: 0.12kg
Three Reasons Customers Recommend It
- Selectivity for surge loads: The C Curve tripping characteristic handles moderate inrush currents without nuisance trips, making it suitable for circuits with motors or inductive loads.
- Reliable protection: Trusted to safeguard circuits against overcurrents and short faults, meeting common safety standards.
- Simple installation and reset: DIN rail fitment and easy manual reset save time and avoid fuse replacement costs.
Who Needs It
- Electricians and electrical contractors specifying over-current protection in consumer units and distribution boards where moderate inrush tolerance is needed.
- Maintenance teams and installers replacing or upgrading protective devices on 32A circuits.
- Homeowners or building managers ensuring compliant and reliable circuit protection in residential or commercial settings (fitted by a qualified person).
Who Can Install It
- Qualified electricians or competent electrical installers familiar with consumer unit wiring, safe isolation, and wiring standards.
- Not recommended for inexperienced DIYers: Internal panel work should always be done with power isolated and by someone competent due to electrical safety risks.
Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.
Shipping
Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.
If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.
Returns
We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.
