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US10D1030A IMO 10kA UL1077 MCB 1 pole 30A D Curve
£8.43
Why Choose the IMO US10D1030A Miniature Circuit Breaker?
The IMO US10D1030A is a high-performance UL1077 supplementary miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for industrial control panels, OEM machinery and factory automation systems. Manufactured by IMO Precision Controls, this compact single-pole breaker combines thermo-magnetic protection with a space-saving DIN rail mounted design, making it ideal for demanding industrial applications.
Designed for machine builders, panel manufacturers and automation engineers, the US10D1030A integrates easily alongside PLCs, relays, contactors, power supplies and other industrial control components. Its compact modular construction helps maximise enclosure space while delivering reliable supplementary circuit protection.
With a 30 A rated current, a D Curve tripping characteristic and a 10 kA short-circuit breaking capacity, the IMO US10D1030A 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.
- 30 A rated current for industrial control applications.
- D Curve tripping characteristic for high-inrush inductive loads.
- 10 kA short-circuit breaking capacity.
- Single-pole modular construction saves DIN rail space.
- Quick installation and straightforward maintenance.
Key Features
- IMO Precision Controls US10D Series.
- Single-pole configuration.
- 30 A rated operational current.
- D Curve magnetic trip characteristic.
- 10 kA interrupting capacity.
- UL1077 supplementary protector.
- Thermo-magnetic overload and short-circuit protection.
- Contact position indicator.
- Compact EN 60715 DIN rail mounted design.
Engineered for Industrial Reliability
The IMO US10D1030A automatically disconnects circuits experiencing overload or short-circuit conditions, helping protect conductors, machinery and sensitive electrical equipment from damage. Its dependable thermo-magnetic mechanism contributes to improved system reliability and reduced production downtime.
The D Curve characteristic is specifically designed for applications with high instantaneous starting currents. This makes the breaker ideal 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.
- Material handling and process control equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Certification | UL 1077 | |
|---|---|---|
| Current | 30 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 | US10D1030A | |
| Product type | Supplementary miniature circuit breaker | |
| Rated current | 30 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 operational voltage | 277 V AC | |
| IEC rated operational voltage | 230 V AC | |
| DC rated operational 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 | |
| Wire capacity | AWG 18–3 (0.82–26.7 mm²) | |
| Approximate weight | 0.125 kg | |
| Manufacturer part number | US10D1030A | |
| Barcode | 5056207432071 | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO US10D1030A used for?
It provides supplementary overload and short-circuit protection for industrial control systems, OEM machinery and factory automation equipment.
What is the rated current?
The IMO US10D1030A has a rated current of 30 A.
Why use a D Curve circuit breaker?
D Curve breakers are intended for inductive loads with high inrush currents, including transformers, solenoids, industrial power supplies and contactor coils.
What is the interrupting capacity?
The US10D1030A provides a 10 kA short-circuit breaking capacity.
Is this a UL489 branch circuit breaker?
No. The US10D1030A 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 worldwide by OEM manufacturers, machine builders and panel builders for reliable, compact protection of industrial electrical control systems.
