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US10D2040A IMO 10kA UL1077 MCB 2 pole 40A D Curve
£16.81
Why Choose the IMO US10D2040A Miniature Circuit Breaker?
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.
Key Advantages
- Reliable UL1077 supplementary circuit protection for industrial equipment.
- 40 A rated current suitable for demanding machinery and automation circuits.
- 2 pole configuration provides simultaneous protection and isolation.
- D curve tripping characteristic for circuits with high inrush currents.
- 10 kA short circuit breaking capacity for dependable fault interruption.
- Resettable design reduces maintenance compared with replaceable fuses.
- Compact DIN rail-mounted construction for quick installation and servicing.
Key Features
- IMO Precision Controls US10 series.
- 40 A rated current.
- 2 pole (2P) configuration.
- D curve tripping characteristic.
- 10 kA breaking capacity.
- UL1077 supplementary overcurrent protection.
- Designed for industrial control and automation systems.
- Compact DIN rail-mounted construction.
Reliable Protection for Industrial Control Circuits
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.
Typical Applications
- Industrial control panels and electrical cabinets.
- Machine building and OEM equipment.
- Motor control circuits.
- Transformer and power supply protection.
- Industrial automation systems.
- Compressors and inductive load circuits.
- Manufacturing and processing machinery.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Current | 40 A | |
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | US10 | |
| Model | US10D2040A | |
| Product type | Supplementary miniature circuit breaker | |
| Rated current | 40 A | |
| Number of poles | 2 Pole | |
| Tripping characteristic | D Curve | |
| Breaking capacity | 10 kA | |
| Rated voltage | Up to 277/480 V AC | |
| Operating frequency | 50 / 60 Hz | |
| Mounting type | DIN rail mounting | |
| Protection category | Supplementary overcurrent protection | |
| Standard | UL1077 | |
| Application | Industrial control panels and machinery | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO US10D2040A used for?
The US10D2040A is a UL1077 supplementary miniature circuit breaker designed to protect industrial control circuits and electrical equipment against overloads and short circuits.
What is the rated current of the US10D2040A?
The IMO US10D2040A has a rated current of 40 A, making it suitable for industrial machinery, automation systems and electrical control panels.
What does the D curve characteristic mean?
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.
How many poles does this circuit breaker have?
The US10D2040A features a 2 pole configuration, allowing simultaneous protection and isolation of two conductors.
What is the breaking capacity of the US10D2040A?
The breaker provides a 10 kA short circuit breaking capacity, enabling dependable interruption of high prospective fault currents.
How is the IMO US10D2040A installed?
The breaker is designed for installation onto a standard DIN rail inside industrial control panels and electrical enclosures.
Trusted Circuit Protection for Industrial Equipment
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.
