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US10D3040A IMO 10kA UL1077 MCB 3 pole 40A D Curve
£25.20
Why Choose the IMO US10D3040A UL1077 Miniature Circuit Breaker?
The IMO US10D3040A is a high-performance UL1077 supplementary protector miniature circuit breaker (MCB) designed to provide dependable overcurrent protection for industrial control panels, OEM machinery and automation systems. Manufactured by IMO Precision Controls, this compact device delivers reliable protection while ensuring compliance with recognised international standards for industrial applications.
Designed for demanding electrical installations, the US10D3040A combines a robust construction with a high 10 kA breaking capacity, making it suitable for protecting branch circuits and control equipment against overloads and short circuits. Its compact DIN rail mounting design enables fast installation and efficient use of panel space.
Featuring a 40 A current rating, D curve tripping characteristic and three-pole configuration, the US10D3040A is ideal for circuits with high inrush current loads such as motors, transformers and industrial machinery operating on 230/400 V AC systems.
Key Advantages
- Compact UL1077 supplementary protector for industrial control panels.
- 40 A current rating for demanding industrial circuits.
- D curve characteristic suitable for high inrush current applications.
- Three-pole design for three-phase circuit protection.
- 10 kA breaking capacity for enhanced fault protection.
- DIN rail mounting allows quick installation and maintenance.
Key Features
- IMO US10 series supplementary protector.
- 40 A rated current.
- D curve tripping characteristic.
- Three-pole configuration.
- 10 kA interrupting capacity.
- Suitable for 230/400 V AC industrial systems.
- DIN rail mounting for control panels.
- Designed for industrial automation and machinery applications.
Reliable Protection for Industrial Electrical Systems
The IMO US10D3040A is engineered to protect industrial electrical equipment against overload and short-circuit faults. Its D curve operating characteristic allows it to tolerate the high inrush currents associated with motors, transformers and inductive loads while still providing dependable fault protection.
Its compact footprint and DIN rail mounting simplify installation within industrial control panels, helping machine builders and maintenance engineers reduce installation time while ensuring reliable long-term performance.
Typical Applications
- Industrial control panels.
- Motor protection circuits.
- OEM machinery.
- Automation systems.
- Control cabinets.
- Three-phase industrial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Certification | UL 1077 | |
|---|---|---|
| Current | 40 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | US10 UL1077 | |
| Model | US10D3040A | |
| Product type | UL1077 supplementary protector miniature circuit breaker | |
| Rated current | 40 A | |
| Number of poles | 3 | |
| Trip characteristic | D Curve | |
| Rated voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Mounting type | 35 mm DIN rail | |
| Terminal capacity | 1 to 25 mm² | |
| Protection rating | IP20 | |
| Standards | UL1077, IEC/EN 60898, IEC/EN 60947-2, CE | |
| Dimensions (H × W × D) | approx. 85.5 × 52.7 × 78 mm | |
| Weight | approx. 0.30 kg | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO US10D3040A used for?
It is a UL1077 supplementary protector designed to provide overload and short-circuit protection for industrial control circuits and machinery.
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 and other inductive loads.
How many poles does this circuit breaker have?
The US10D3040A is a three-pole miniature circuit breaker for three-phase electrical systems.
What is the breaking capacity?
The breaker provides a 10 kA interrupting capacity for dependable fault protection.
How is the breaker installed?
The unit mounts directly onto a standard 35 mm DIN rail inside industrial electrical control panels.
Trusted by Industrial Control Professionals
IMO Precision Controls circuit protection products are trusted by panel builders, machine manufacturers and automation engineers worldwide for dependable electrical protection, easy installation and reliable long-term performance.
