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UB10C3040A IMO 10kA UL489 MCB 3 pole 40A C Curve
£42.64
Why Choose the IMO UB10C3040A Miniature Circuit Breaker?
The IMO UB10C3040A is a high-performance UL489 miniature circuit breaker (MCB) engineered to provide dependable overload and short circuit protection for industrial control panels, OEM machinery and commercial electrical installations. As part of the trusted IMO UB10 series, this three-pole circuit breaker delivers reliable protection for demanding three-phase applications.
Designed with a C curve tripping characteristic, the UB10C3040A is well suited to protecting circuits supplying motors, transformers, contactors and other inductive loads with moderate inrush currents. Its thermal-magnetic operating mechanism delivers fast fault isolation while reducing nuisance tripping during normal equipment start-up.
With a rated current of 40 A, a three-pole configuration and a 10 kA short-circuit breaking capacity, the IMO UB10C3040A provides dependable branch circuit protection. Its compact DIN rail mounted design allows quick installation within industrial control panels and electrical distribution systems.
Key Advantages
- Reliable UL489 miniature circuit breaker for industrial electrical protection.
- 40 A rated current suitable for higher-load industrial circuits.
- Three-pole configuration for three-phase electrical installations.
- C curve tripping characteristic ideal for motors and inductive loads.
- 10 kA breaking capacity provides dependable fault interruption.
- Compact DIN rail mounting simplifies installation and maintenance.
Key Features
- IMO UB10 miniature circuit breaker series.
- 40 A rated current.
- Three-pole (3P) configuration.
- C curve trip characteristic.
- 10 kA short-circuit breaking capacity.
- Thermal-magnetic overload and short circuit protection.
- UL489 compliant for branch circuit protection.
- DIN rail mounting for industrial control panels.
Reliable Circuit Protection for Industrial Installations
Miniature circuit breakers automatically disconnect electrical circuits during overload and short circuit conditions, helping to protect wiring, machinery and connected equipment from damage. This improves operational safety, minimises downtime and enhances the reliability of industrial electrical systems.
The IMO UB10C3040A is widely used in industrial machinery, automation systems and OEM equipment where reliable three-phase circuit protection, consistent switching performance and compliance with recognised standards are essential.
Typical Applications
- Industrial control panels.
- OEM machinery.
- Motor protection circuits.
- Factory automation systems.
- Commercial electrical distribution boards.
- Manufacturing and process industries.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Current | 40 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | UB10 | |
| Model | UB10C3040A | |
| Product type | Miniature circuit breaker | |
| Rated current | 40 A | |
| Number of poles | 3 | |
| Trip characteristic | C curve | |
| Breaking capacity | 10 kA | |
| Voltage rating | 480Y/277 V AC | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standards | UL489 | |
| Dimensions (H × W × D) | approx. 108 × 52.5 × 67 mm | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO UB10C3040A used for?
It provides overload and short circuit protection for three-phase industrial and commercial electrical circuits.
What is the current rating of this circuit breaker?
The IMO UB10C3040A has a rated current of 40 A.
What does the C curve characteristic mean?
A C curve breaker is designed for circuits with moderate inrush currents, making it suitable for motors, transformers and industrial control equipment.
What is the breaking capacity?
The circuit breaker provides a 10 kA short-circuit breaking capacity for dependable electrical fault protection.
How is this circuit breaker installed?
The UB10C3040A is designed for DIN rail mounting inside industrial control panels, machinery cabinets and electrical distribution boards.
Trusted by Industrial Panel Builders
IMO circuit protection products are trusted by electrical engineers, automation specialists and OEM machine builders for delivering dependable overload protection, reliable switching performance and long service life in demanding industrial environments.
