IMO B10D1050A MCB - 1P - D Curve - 50A - 10kA

IMO B10D1050A MCB – 1P – D Curve – 50A – 10kA

IMO B10D1050A 1 pole 50A D curve miniature circuit breaker with 10 kA breaking capacity for industrial and commercial circuit protection.

SKU: B10D1050AMPN: B10D1050A
Price
List Price £11.37 ex VAT
Your Price (ex VAT)
£11.37
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £11.37
Trade pricing is personalised to your account

Manufacturer Lead Time

£11.37

Why Choose the IMO B10D1050A Miniature Circuit Breaker?

The IMO B10D1050A is a high-performance 1 pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in industrial, commercial and OEM electrical installations. Manufactured by IMO Precision Controls, this compact protective device complies with IEC 60898-1 and IEC 60947-2 standards, making it suitable for demanding electrical applications.

Featuring a D curve tripping characteristic, the B10D1050A is specifically designed for circuits with high inrush currents, including motors, transformers, power supplies and other inductive loads. Its compact TS35 DIN rail mounting design allows quick installation within distribution boards, switchboards and industrial control panels.

With a 50 A rated current, 230/415 V AC operating voltage and a 10 kA short circuit breaking capacity, the IMO B10D1050A delivers reliable protection while helping maintain safe and continuous operation of industrial electrical systems.

Key Advantages

  • 50 A rated current for higher capacity circuit protection.
  • 1 pole configuration for single-phase circuit protection.
  • D curve tripping characteristic for high inrush current applications.
  • 10 kA breaking capacity for excellent fault protection.
  • DIN rail mounting for fast installation.
  • Suitable for industrial control panels, machinery and OEM equipment.

Key Features

  • IMO B10 Series Miniature Circuit Breaker.
  • 50 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.
  • Finger-safe IP20 terminals suitable for pin and fork busbars.

Reliable Circuit Protection for High Inrush Applications

The IMO B10D1050A automatically disconnects electrical circuits during overload or short circuit conditions, helping protect wiring, electrical equipment and personnel. Its high breaking capacity provides dependable protection for demanding industrial installations.

Its D curve operating characteristic allows higher motor starting currents before tripping, making it an ideal choice for motors, transformers, compressors and other inductive equipment where nuisance tripping must be avoided.

Typical Applications

  • Industrial control panels.
  • Motor control circuits.
  • Transformer protection.
  • Compressors and pumps.
  • OEM machinery and automation systems.
  • Commercial electrical distribution.

Technical Specifications

Current 50 A
Phase Single Phase
Manufacturer IMO Precision Controls
Series B10 Miniature Circuit Breakers
Model B10D1050A
Product type Miniature Circuit Breaker (MCB)
Rated current 50 A
Number of poles 1
Tripping curve D Curve
Breaking capacity 10 kA
Rated voltage 230/415 V AC
Maximum DC 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
Weight approx. 0.1 kg
Standards IEC 60898-1, IEC 60947-2, CE, VDE, KEMA
HS Code 8536201090
Country of Manufacture China
Poles 1-pole
Device Type MCB
Trip Curve D curve
Breaking Capacity 10 kA

Frequently Asked Questions

What is the IMO B10D1050A used for?

The B10D1050A protects electrical circuits against overloads and short circuits in industrial, commercial and OEM electrical installations.

What is the rated current?

This miniature circuit breaker has a 50 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, compressors and other inductive equipment.

What is the breaking capacity?

The IMO B10D1050A 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 industrial control panels.

Trusted by Electrical Professionals Worldwide

IMO miniature circuit breakers are trusted by electricians, machine builders and panel manufacturers for dependable circuit protection, robust construction and reliable long-term performance.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...