IMO B10D1040A MCB - 1P - D Curve - 40A - 10kA

IMO B10D1040A MCB – 1P – D Curve – 40A – 10kA

IMO B10D1040A 1 pole 40A D curve miniature circuit breaker with 10 kA breaking capacity for industrial and commercial circuit protection.

SKU: B10D1040AMPN: B10D1040A
Price
List Price £11.37 ex VAT
Your Price (ex VAT) Save 30%
£7.96 30% OFF
You save £3.41 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) £7.96
Trade pricing is personalised to your account

Manufacturer Lead Time

£7.96

Why Choose the IMO B10D1040A Miniature Circuit Breaker?

The IMO B10D1040A is a high-performance 1 pole miniature circuit breaker (MCB) designed to provide reliable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. Manufactured by IMO Precision Controls, this compact protective device is built for dependable circuit protection in modern distribution boards, machinery and control panels.

Featuring a D curve tripping characteristic, the B10D1040A is particularly suitable for circuits with high inrush currents, including motors, transformers, solenoids and inductive loads. Its DIN rail mounted format ensures quick, secure and space-saving installation inside electrical enclosures.

With a 40 A rated current, 1 pole configuration, 230/415 V AC rated voltage and a 10 kA short circuit breaking capacity, the IMO B10D1040A delivers robust circuit protection for demanding electrical applications.

Key Advantages

  • 40 A rated current for dependable circuit protection.
  • 1 pole configuration for single-pole circuit protection.
  • D curve tripping characteristic suitable for high inrush current loads.
  • 10 kA breaking capacity for strong short circuit protection.
  • DIN rail mounting for quick and secure installation.
  • Suitable for industrial control panels, machinery and commercial distribution systems.

Key Features

  • IMO B10 Series Miniature Circuit Breaker.
  • 40 A rated current.
  • 1 pole device.
  • D curve trip characteristic.
  • 10 kA short circuit breaking capacity.
  • 230/415 V AC rated voltage.
  • TS35 DIN rail mounting.
  • Designed for overload and short circuit protection.

Reliable Circuit Protection for High Inrush Loads

Miniature circuit breakers automatically disconnect electrical circuits during overload or short circuit conditions, helping protect wiring, connected equipment and personnel. The IMO B10D1040A provides reliable fault protection while supporting safe and efficient operation across industrial and commercial installations.

Its D curve characteristic allows the breaker to tolerate higher start-up currents before tripping, making it well suited to inductive equipment where nuisance tripping must be reduced without compromising protection.

Typical Applications

  • Industrial control panels.
  • Commercial electrical distribution boards.
  • Motor control circuits.
  • Transformer and solenoid circuits.
  • OEM machinery and automation systems.
  • High inrush current electrical loads.

Technical Specifications

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

Current 40 A
Phase Single Phase
Poles 1-pole
Device Type MCB
Trip Curve D curve
Breaking Capacity 10 kA
Manufacturer IMO Precision Controls
Series B10 Miniature Circuit Breakers
Model B10D1040A
Product type Miniature Circuit Breaker (MCB)
Rated current 40 A
Number of poles 1
Number of modules 1
Tripping curve D Curve
Breaking capacity 10 kA
Rated voltage 230/415 V AC
DC operational voltage 60 V DC
Rated insulation voltage 500 V
Frequency 50 / 60 Hz
Mounting type TS35 DIN rail
Terminal capacity 1 to 25 mm²
Dimensions (H × W × D) approx. 85.5 × 17.6 × 78 mm
Operating temperature -30°C to +60°C
Standards IEC/EN 60898, IEC/EN 60947-2, CE, VDE, KEMA
HS Code 8536201090
Country of Manufacture China

Frequently Asked Questions

What is the IMO B10D1040A used for?

The B10D1040A is used to protect electrical circuits against overloads and short circuits in industrial, commercial and control panel applications.

What is the rated current?

This miniature circuit breaker has a 40 A rated current.

What does the D curve characteristic mean?

A D curve breaker is designed for circuits with high inrush currents, making it suitable for motors, transformers, solenoids and inductive loads.

What is the breaking capacity?

The IMO B10D1040A has a 10 kA short circuit breaking capacity.

How is the breaker installed?

The breaker is designed for installation onto a standard TS35 DIN rail inside electrical distribution boards and control panels.

Trusted by Electrical Professionals Worldwide

IMO miniature circuit breakers are trusted by electricians, control panel builders and OEM manufacturers for reliable protection, robust construction and straightforward installation.