facebook pixel CB316B 3 Pole 16A B Curve 10kA MCB - Live Electrical
National  8:00am to 5pm - Mon-Fri
Products may differ in size, colour and appearance to those shown. If you require further information please contact us directly.

Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB

SKU: CB316B
12 In stock
More available within 1-3 working days*
Confirm Availability

The Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB provides reliable protection for commercial 3-phase systems. It is ideal for circuits with light loads, featuring a B Curve characteristic and 10kA breaking capacity.

£9.99 + VAT

(incl. VAT £11.99)

— OR —

Description

3 Pole 16A B Curve 10kA Miniature Circuit Breaker

Live Electrical Three Phase MCB – CB316B

The Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB provides robust protection for commercial 3-phase electrical systems. Its B Curve tripping characteristic makes it suitable for circuits with lighter loads, such as lighting or small appliances. Additionally, the 10kA breaking capacity ensures the circuit remains safe during fault conditions, providing dependable protection for a variety of commercial applications.

Key Features:

  • 3 Pole 16A MCB: Ideal for 3-phase systems with a current rating of 16 Amps.
  • B Curve Tripping Characteristic: Designed for circuits with light loads, tripping at 3 to 5 times the rated current.
  • 10kA Breaking Capacity: Protects circuits by safely handling fault currents up to 10kA, providing enhanced protection against overloads and short circuits.
  • Voltage Rating: Compatible with 230/400V systems, operating at a frequency of 50/60Hz.
  • Long-Lasting Durability: Rated for 8,000 electrical operations and 20,000 mechanical operations.
  • IP20 Protection: Prevents accidental contact with live parts, ensuring safe operation in commercial settings.

Technical Specifications:

  • Poles: 3P
  • Rated Voltage (Ue AC): 230/400V
  • Frequency: 50/60Hz
  • Insulation Voltage (Ui): 500V
  • Breaking Capacity: 6/10kA
  • Impulse Withstand Voltage: 4000V
  • Dielectric Test Voltage: 2kV
  • Thermo-magnetic Release: B, C, D Characteristics
  • Electrical Life: 8,000 operations
  • Mechanical Life: 20,000 operations
  • IP Rating: IP20
  • Ambient Temperature: -5°C to +40°C (daily average ≤35°C)
  • Storage Temperature: -25°C to +70°C

FAQs:

1. What does a B Curve MCB do?
A B Curve MCB trips when the current exceeds 3 to 5 times the rated load, making it suitable for circuits with lighter loads, such as lighting and small appliances.

2. Is this MCB suitable for 3-phase systems?
Yes, this 3-pole MCB is specifically designed for 3-phase systems, offering reliable protection for circuits handling up to 16 amps.

3. Why is the 10kA breaking capacity important?
The 10kA breaking capacity ensures that the MCB can safely handle fault currents up to 10,000 amps, providing essential protection against overloads and short circuits in demanding commercial environments.

4. How durable is this MCB?
This MCB is rated for 8,000 electrical operations and 20,000 mechanical operations, making it a durable choice for long-term use in commercial applications.

5. Can this MCB operate in extreme temperatures?
Yes, the MCB operates efficiently between -5°C and +40°C, and it can be stored in environments as cold as -25°C and as hot as +70°C.

Conclusion

The Live Electrical CB316B 3 Pole 16A B Curve 10kA MCB is a reliable and cost-effective solution for protecting commercial 3-phase systems. Its B Curve tripping characteristic and 10kA breaking capacity make it ideal for circuits with light loads. Designed for durability, this MCB offers dependable protection in high-demand environments.

For project pricing, send us your list of required items via WhatsApp or email, and we’ll offer competitive rates tailored to your needs.

Explore more Live Electrical products:

Downloads

View Product Data Sheet

Additional information

Curve

B

No of Poles

3P

Fault Current

10kA

Current Rating (A)

16

Product

MCB

Voltage

400V

Cut off time for Dispatch Delivery: Mon-Thu 3 PM *
Cut off time for Saturday Delivery: Friday 3 PM *
All orders placed on Sat/Sun will be dispatched on Monday.
Live Electrical Technical Support 0161 870 2592

Related Products

© 2025 Electrical 4 Less
Electrical 4 Less

    Electrical 4 Less
    whatsup-logo
    Next Day Delivery
    Cut-Off Time and Order Information
    To ensure your order qualifies for next day delivery, please place your order by 3:00 PM. This is subject to all items being available on the shelf at the time of your order. For orders where the total value exceeds £150 + VAT (double our standard carriage-paid order value of £75 + VAT), we are happy to split the delivery into two shipments if some items are needed urgently and others are not immediately available. If you have any questions or need further assistance, feel free to reach out to us via WhatsApp for live support. We're here to help!
    Delivery Policy
    Free Next-Day Delivery Over £75 + VAT:
    Orders above £75 + VAT qualify for free next-day delivery via DPD for in-stock items. While we strive for timely dispatch, we recommend placing orders early to avoid potential delays. Once dispatched, unexpected issues may arise despite the courier’s efforts.

    Orders Below £150 + VAT:
    To keep costs manageable, we dispatch your order once all items are ready, including products with longer lead times.

    Need items faster? You can pay for an additional delivery service to receive in-stock items sooner. Simply email us with your order details, and we’ll send you a payment link for the extra delivery cost.

    Orders Above £150 + VAT:
    For larger orders, we can split delivery at no extra cost. In-stock items will be sent immediately, with the remaining items dispatched once available.
    Dispatch Times
    Items with Lead Times (e.g., 1–3 Working Days):
    This means we need to source the product from our supplier before sending it to you. The estimated dispatch time is displayed on each product page.

    Out of Stock at Supplier:
    If an item is unavailable at the supplier, we will contact you promptly. You’ll have the option to choose an alternative product or request a full refund.