IMO B10B2040ADC MCB - 2P - B Curve - 40A - 10kA

IMO B10B2040ADC MCB – 2P – B Curve – 40A – 10kA

IMO B10B2040ADC DC miniature circuit breaker, a 40 A B curve 2 pole MCB with 10 kA breaking capacity for direct current circuit protection.

SKU: B10B2040ADCMPN: B10B2040ADC
Price
List Price £31.36 ex VAT
Your Price (ex VAT) Save 30%
£21.95 30% OFF
You save £9.41 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) £21.95
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 30

£21.95

Why Choose the IMO B10B2040ADC DC Miniature Circuit Breaker?

The IMO B10B2040ADC is a robust and dependable DC miniature circuit breaker (MCB) designed to protect direct current electrical circuits against overloads and short circuits. As part of the IMO B10 DC circuit protection range, it is engineered for reliable performance in industrial control panels, automation systems and DC power distribution applications.

This MCB features a B curve tripping characteristic, making it suitable for circuits where lower inrush currents are expected and fast disconnection is required under fault conditions. Its 10 kA short circuit breaking capacity provides strong fault protection for demanding DC installations, helping protect wiring, equipment and connected devices.

With a 40 A current rating and a 2 pole configuration, the B10B2040ADC is suitable for DC circuits requiring two-pole isolation and protection. Its compact DIN rail mounting format allows quick and secure installation inside electrical enclosures, machinery panels and renewable energy control systems.

Key Advantages

  • Reliable DC miniature circuit breaker for industrial circuit protection.
  • 40 A rated current for DC distribution and control circuits.
  • B curve tripping characteristic for fast response to fault conditions.
  • 10 kA short circuit breaking capacity for dependable protection.
  • 2 pole configuration for DC circuit isolation.
  • Compact DIN rail design for straightforward panel installation.

Key Features

  • IMO B10 DC miniature circuit breaker series.
  • 40 A rated current.
  • B curve protection.
  • 10 kA breaking capacity.
  • 2 pole construction.
  • Suitable for DC circuit protection applications.
  • Finger protected connection terminals.
  • DIN rail mounting for compact installation.

Reliable Protection for DC Electrical Systems

DC miniature circuit breakers such as the IMO B10B2040ADC are designed to automatically disconnect a direct current circuit when an overload or short circuit occurs. This helps protect cables, connected equipment and electrical components from damage caused by excessive current.

The 2 pole DC design allows effective isolation in DC systems, making it suitable for control panels, battery circuits, power supplies and renewable energy applications. Its high breaking capacity and compact DIN rail footprint make it a practical choice for panel builders and electrical engineers working with direct current installations.

Typical Applications

  • DC control panels and automation systems.
  • Battery and power supply circuits.
  • Renewable energy and photovoltaic control systems.
  • Industrial machinery with DC auxiliary circuits.
  • Telecommunications and UPS systems.
  • Panel building, maintenance and electrical installation work.

Technical Specifications

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

Current 40 A
Poles 2-pole
Device Type MCB
Trip Curve B curve
Breaking Capacity 10 kA
Manufacturer IMO
Series B10 DC
Model B10B2040ADC
Product type DC miniature circuit breaker
Rated current 40 A
Tripping characteristic B Curve
Breaking capacity 10 kA
Number of poles 2 Pole
Rated operational voltage up to 500 V DC
Rated impulse withstand voltage 6.2 kV
Protection degree IP20
Mounting type DIN rail
Terminal capacity up to 35 mm²
Standards IEC 60947-2 / IEC 14048.2
HS Code 8536201090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10B2040ADC used for?

The IMO B10B2040ADC is used to protect DC electrical circuits against overloads and short circuits in industrial, automation and power distribution applications.

What current rating does this DC MCB have?

This miniature circuit breaker has a rated current of 40 A.

What does B curve mean on this circuit breaker?

A B curve MCB is designed to trip quickly under fault conditions and is typically used on circuits with lower inrush currents.

What is the breaking capacity of the B10B2040ADC?

The B10B2040ADC has a 10 kA short circuit breaking capacity.

Is this circuit breaker suitable for DC applications?

Yes, the B10B2040ADC is specifically designed as a DC miniature circuit breaker for direct current circuit protection.

Trusted by Panel Builders and Electrical Engineers

IMO DC miniature circuit breakers are widely used by panel builders, maintenance engineers and electrical installers who require compact, reliable and easy-to-install protection for direct current electrical systems.