Why Choose the IMO US10D1040A Miniature Circuit Breaker?
The IMO US10D1040A is a compact UL1077 supplementary miniature circuit breaker (MCB) engineered to provide dependable overload and short-circuit protection for industrial control panels, OEM machinery and factory automation systems. Manufactured by IMO Precision Controls, this single-pole breaker combines reliable thermo-magnetic protection with a compact DIN rail mounted design for demanding industrial applications.
Designed for machine builders, panel manufacturers and automation engineers, the US10D1040A integrates seamlessly alongside PLCs, relays, contactors, power supplies and other industrial control components. Its slim modular construction maximises enclosure space while delivering dependable supplementary circuit protection.
Featuring a 40 A rated current, a D Curve tripping characteristic and a 10 kA short-circuit breaking capacity, the IMO US10D1040A is particularly suited to transformers, industrial power supplies, solenoids, contactor coils and other inductive loads that generate high inrush currents during start-up.
Key Advantages
- Compact UL1077 supplementary miniature circuit breaker.
- 40 A rated current for industrial control applications.
- D Curve characteristic for inductive loads with high inrush currents.
- 10 kA short-circuit breaking capacity.
- Single-pole construction saves valuable DIN rail space.
- Quick DIN rail installation and simple maintenance.
Key Features
- IMO Precision Controls US10D Series.
- Single-pole configuration.
- 40 A rated operational current.
- D Curve magnetic tripping characteristic.
- 10 kA interrupting capacity.
- UL1077 supplementary protector.
- Thermo-magnetic overload and short-circuit protection.
- Contact position indicator.
- Compact EN 60715 DIN rail mounted construction.
Reliable Protection for Industrial Automation
The IMO US10D1040A automatically disconnects the protected circuit during overload or short-circuit conditions, helping to protect conductors, electrical equipment and machinery from damage whilst reducing costly downtime. Its dependable thermo-magnetic mechanism provides reliable operation throughout demanding industrial environments.
Its D Curve operating characteristic is specifically intended for applications with high instantaneous starting currents. This makes it an excellent choice for transformer-fed circuits, industrial power supplies, contactor coils, solenoids and similar inductive equipment where nuisance tripping must be minimised.
Typical Applications
- Industrial control panels.
- OEM machinery.
- Factory automation systems.
- Transformer protection.
- Industrial power supplies.
- Contactor and relay circuits.
- PLC control systems.
- Process control and material handling equipment.
