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US10C1005A IMO 10kA UL1077 MCB 1 pole 5A C Curve
£8.43
Why Choose the IMO US10C1005A Supplementary Protector?
The IMO US10C1005A is a compact UL 1077 miniature circuit breaker designed to provide supplementary overload and short circuit protection for electrical equipment and internal control circuits. Manufactured by IMO Precision Controls, this DIN rail-mounted protective device is suitable for industrial machinery, automation systems, OEM equipment and electrical control panels.
Featuring a single-pole configuration, a 5 A rated operational current and a C curve tripping characteristic, the US10C1005A is well suited to circuits that may experience moderate temporary inrush currents during normal operation. Its thermo-magnetic protection mechanism helps safeguard control devices, power supplies, instrumentation and other electrical loads against sustained overloads and short circuit faults.
The US10C1005A offers a 10 kA rated short circuit breaking capacity, a UL operational voltage rating of up to 277 V AC for single-pole applications and an IEC operational voltage rating of 230 V AC. Its compact construction and standard DIN rail mounting help minimise panel space while supporting straightforward installation and maintenance.
Key Advantages
- Provides supplementary overload and short circuit protection for electrical equipment.
- 5 A rated current for control, automation and equipment circuits.
- C curve characteristic accommodates moderate temporary inrush currents.
- Single-pole design provides individual circuit protection.
- 10 kA breaking capacity delivers dependable fault interruption.
- Compact DIN rail construction supports space-efficient panel design.
Key Features
- IMO Precision Controls US10 series.
- 5 A rated operational current.
- Single-pole configuration.
- C curve operating characteristic.
- Thermo-magnetic overcurrent protection.
- 10 kA short circuit breaking capacity.
- UL 1077, IEC 60947-2 and IEC 60898-1 compliant.
- Contact position indicator.
- DIN rail mounting to EN 60715.
- RoHS compliant construction.
Dependable Thermo-Magnetic Circuit Protection
The IMO US10C1005A combines thermal and magnetic tripping technologies within one compact protective device. The thermal element responds to prolonged overload conditions, while the magnetic element operates rapidly during high-current short circuit faults. This dual-action design helps reduce the risk of damage to internal wiring, electrical components and connected equipment.
Its C curve characteristic provides instantaneous magnetic operation at approximately five to ten times the rated current. This makes the US10C1005A suitable for circuits containing control transformers, power supplies, contactor coils and other equipment that may produce a moderate start-up current without indicating a fault.
Typical Applications
- Industrial control panels.
- PLC and automation systems.
- Instrumentation and monitoring circuits.
- Control transformers and power supplies.
- Machine building and OEM equipment.
- Electrical distribution within equipment.
- Heating, ventilation and air-conditioning controls.
- Low-current industrial and commercial circuits.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Current | 5 A | |
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | US10 | |
| Model | US10C1005A | |
| Product type | UL 1077 miniature circuit breaker | |
| Protection type | Supplementary circuit protection | |
| Rated operational current | 5 A | |
| Number of poles | 1 | |
| Operating characteristic | C Curve | |
| Magnetic trip range | 5–10 × rated current | |
| Short circuit breaking capacity | 10 kA | |
| Protection mechanism | Thermo-magnetic | |
| UL rated operational voltage | Up to 277 V AC | |
| IEC rated operational voltage | 230 V AC | |
| DC rated operational voltage | 48 V DC | |
| Rated operational frequency | 50/60 Hz | |
| Calibration temperature | 40°C | |
| Mechanical lifetime | 20,000 operations | |
| Electrical lifetime | 6,000 operations | |
| Operating temperature | -25°C to +55°C | |
| Protection degree | NEMA 1 / IP20 | |
| Pollution degree | 3 | |
| Terminal tightening torque | 2.5 Nm | |
| Compatible wire range | AWG 18–3 | |
| Mounting | DIN rail EN 60715 | |
| Approximate weight | 0.125 kg | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO US10C1005A used for?
The US10C1005A is used to provide supplementary overload and short circuit protection for electrical equipment, control circuits, automation systems and internal panel wiring.
What is the rated current of the US10C1005A?
The IMO US10C1005A has a rated operational current of 5 A.
What does the C curve characteristic mean?
The C curve characteristic provides instantaneous magnetic tripping at approximately five to ten times the rated current, allowing the device to tolerate moderate temporary inrush currents.
What is the breaking capacity of the US10C1005A?
The US10C1005A has a rated short circuit breaking capacity of 10 kA.
What voltage can the US10C1005A operate at?
For single-pole applications, the device is rated up to 277 V AC under UL specifications, 230 V AC under IEC specifications and 48 V DC.
Is the US10C1005A suitable for branch circuit protection?
The US10C1005A is a UL 1077 supplementary protector intended for equipment-level protection. It should be installed with suitable upstream branch circuit protection wherever required by the applicable electrical regulations.
Trusted by Electrical Professionals Worldwide
IMO Precision Controls supplementary circuit protection products are used by panel builders, machine manufacturers and electrical engineers seeking compact installation, dependable performance and effective equipment-level protection.
