Original price was: £24.01.£18.09Current price is: £18.09.
The IMO US10D2040A is a high-performance UL1077 supplementary miniature circuit breaker (MCB) designed to provide dependable overload and short circuit protection for industrial control panels, machinery and automation systems. Manufactured by IMO Precision Controls, this compact protective device combines reliable electrical performance with straightforward DIN rail mounting, making it ideal for demanding industrial environments.
The US10D2040A features a 40 A rated current, 2 pole configuration, D curve tripping characteristic and a 10 kA short circuit breaking capacity. Its D curve response is designed for applications with high temporary inrush currents, making it particularly suitable for motors, transformers, switched-mode power supplies, compressors and other inductive loads.
Designed for OEM machine builders, panel manufacturers and industrial maintenance professionals, the IMO US10D2040A delivers dependable supplementary circuit protection while helping minimise downtime and protect valuable electrical equipment.
The IMO US10D2040A automatically disconnects electrical circuits when overload or short circuit conditions occur, helping protect machinery, automation equipment and electrical control systems from damage. Reliable overcurrent protection supports improved operational safety, minimises downtime and extends the service life of connected equipment.
Its D curve operating characteristic is engineered for equipment with substantial start-up currents, helping prevent nuisance tripping while maintaining dependable protection against genuine overloads and fault conditions.
| Current | 2040 A |
|---|---|
| HS Code | 8536201090 |
| Country of Manufacture | India |
The US10D2040A is a UL1077 supplementary miniature circuit breaker designed to protect industrial control circuits and electrical equipment against overloads and short circuits.
The IMO US10D2040A has a rated current of 40 A, making it suitable for industrial machinery, automation systems and electrical control panels.
A D curve circuit breaker is designed to accommodate high temporary inrush currents, making it ideal for motors, transformers, compressors, solenoids and other inductive electrical loads.
The US10D2040A features a 2 pole configuration, allowing simultaneous protection and isolation of two conductors.
The breaker provides a 10 kA short circuit breaking capacity, enabling dependable interruption of high prospective fault currents.
The breaker is designed for installation onto a standard DIN rail inside industrial control panels and electrical enclosures.
IMO supplementary miniature circuit breakers are trusted by panel builders, machine manufacturers and automation engineers for dependable circuit protection, straightforward installation and reliable long-term performance in demanding industrial applications.{ "@context": "https://schema.org/", "@type": "Product", "name": "IMO US10D2040A 10kA UL1077 MCB 2 Pole 40A D Curve", "sku": "US10D2040A", "mpn": "US10D2040A", "brand": { "@type": "Brand", "name": "IMO Precision Controls" }, "category": "Miniature Circuit Breakers", "description": "IMO US10D2040A 10kA UL1077 supplementary miniature circuit breaker with a 40A rating, 2 pole configuration and D curve tripping characteristic for industrial control panels, machinery and automation equipment.", "additionalProperty": [ { "@type": "PropertyValue", "name": "Rated current", "value": "40 A" }, { "@type": "PropertyValue", "name": "Number of poles", "value": "2 Pole" }, { "@type": "PropertyValue", "name": "Tripping characteristic", "value": "D Curve" }, { "@type": "PropertyValue", "name": "Breaking capacity", "value": "10 kA" }, { "@type": "PropertyValue", "name": "Standard", "value": "UL1077" }, { "@type": "PropertyValue", "name": "Mounting type", "value": "DIN Rail" } ] } { "@context": "https://schema.org", "@type": "FAQPage", "inLanguage": "en-GB", "mainEntity": [ { "@type": "Question", "name": "What is the IMO US10D2040A used for?", "acceptedAnswer": { "@type": "Answer", "text": "The US10D2040A is a UL1077 supplementary miniature circuit breaker designed to protect industrial control circuits and electrical equipment against overloads and short circuits." } }, { "@type": "Question", "name": "What is the rated current of the US10D2040A?", "acceptedAnswer": { "@type": "Answer", "text": "The IMO US10D2040A has a rated current of 40 A, making it suitable for industrial machinery, automation systems and electrical control panels." } }, { "@type": "Question", "name": "What does the D curve characteristic mean?", "acceptedAnswer": { "@type": "Answer", "text": "A D curve circuit breaker is designed to accommodate high temporary inrush currents, making it suitable for motors, transformers, compressors, solenoids and other inductive electrical loads." } }, { "@type": "Question", "name": "How many poles does this circuit breaker have?", "acceptedAnswer": { "@type": "Answer", "text": "The US10D2040A features a 2 pole configuration, allowing simultaneous protection and isolation of two conductors." } }, { "@type": "Question", "name": "What is the breaking capacity of the US10D2040A?", "acceptedAnswer": { "@type": "Answer", "text": "The IMO US10D2040A has a 10 kA short circuit breaking capacity." } }, { "@type": "Question", "name": "How is the IMO US10D2040A installed?", "acceptedAnswer": { "@type": "Answer", "text": "The breaker is designed for installation onto a standard DIN rail inside industrial control panels and electrical enclosures." } } ] }
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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.
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...
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...