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US10D1025A IMO 10kA UL1077 MCB 1 pole 25A D Curve
£8.43
Why Choose the IMO US10D1025A Miniature Circuit Breaker?
The IMO US10D1025A 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 circuit breaker delivers reliable thermo-magnetic protection in a compact DIN rail mounted format for demanding industrial environments.
Designed for panel builders, machine manufacturers and automation engineers, the US10D1025A integrates seamlessly alongside PLCs, relays, contactors, power supplies and other control equipment. Its slim modular construction helps maximise enclosure space while providing dependable supplementary circuit protection.
With a 25 A rated current, a D Curve tripping characteristic and a 10 kA short-circuit breaking capacity, the IMO US10D1025A is particularly suitable for transformers, industrial power supplies, solenoids, contactor coils and other inductive loads that generate high inrush currents during energisation.
Key Advantages
- Compact UL1077 supplementary miniature circuit breaker.
- 25 A rated current for industrial control applications.
- D Curve characteristic designed for high inrush current loads.
- 10 kA breaking capacity for dependable fault interruption.
- Space-saving single-pole construction.
- Fast installation onto standard DIN rail systems.
Key Features
- IMO Precision Controls US10D Series.
- Single-pole configuration.
- 25 A rated current.
- D Curve magnetic tripping characteristic.
- 10 kA interrupting capacity.
- UL1077 supplementary protector.
- Thermo-magnetic overload and short-circuit protection.
- Visual contact position indicator.
- Compact EN 60715 DIN rail mounted design.
Reliable Protection for Industrial Automation
The IMO US10D1025A automatically disconnects circuits experiencing overload or short-circuit conditions, helping to protect wiring, machinery and electrical equipment from damage while reducing costly downtime in industrial environments.
Its D Curve operating characteristic is specifically intended for applications with high start-up currents, allowing temporary inrush currents without nuisance tripping while still providing rapid fault protection when required.
Typical Applications
- Industrial control panels.
- OEM machinery.
- Factory automation systems.
- Transformer protection.
- Contactor and relay circuits.
- Industrial power supplies.
- PLC control systems.
- Material handling and packaging equipment.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Current | 25 A | |
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | US10D | |
| Model | US10D1025A | |
| Product type | Supplementary miniature circuit breaker | |
| Rated current | 25 A | |
| Number of poles | 1 | |
| Trip characteristic | D Curve (10–20 × In) | |
| Breaking capacity | 10 kA | |
| Standards | UL1077, IEC 60947-2 & IEC 60898-1 | |
| UL rated voltage | 277 V AC | |
| IEC rated voltage | 230 V AC | |
| DC rated voltage | 48 V DC | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 / NEMA 1 | |
| Mounting | EN 60715 DIN rail | |
| Operating temperature | -25°C to +55°C | |
| Mechanical life | 20,000 operations | |
| Electrical life | 6,000 operations | |
| Terminal tightening torque | 2.5 Nm | |
| Conductor capacity | AWG 18–3 (0.82–26.7 mm²) | |
| Approximate weight | 0.125 kg | |
| Manufacturer part number | US10D1025A | |
| Barcode | 5056207488023 | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO US10D1025A used for?
It provides supplementary overload and short-circuit protection for industrial control systems, OEM machinery and automation equipment.
What is the current rating?
The IMO US10D1025A has a rated current of 25 A.
Why use a D Curve circuit breaker?
D Curve breakers are designed for circuits with high inrush currents, making them ideal for transformers, contactor coils, solenoids and other inductive equipment.
What is the interrupting capacity?
The US10D1025A provides a 10 kA short-circuit breaking capacity.
Is this a UL489 branch circuit breaker?
No. The US10D1025A is certified as a UL1077 supplementary protector and is intended for supplementary protection within industrial equipment.
How is the breaker installed?
The breaker clips directly onto a standard EN 60715 DIN rail inside industrial control panels and electrical enclosures.
Trusted by Industrial Professionals
IMO Precision Controls supplementary circuit breakers are trusted by panel builders, OEM manufacturers and automation engineers worldwide for compact, reliable industrial circuit protection.
