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UB10D3004A IMO 10kA UL489 MCB 3 pole 4A D Curve
£42.64
Why Choose the IMO UB10D3004A Miniature Circuit Breaker?
The IMO UB10D3004A is a high-performance 3-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in three-phase electrical systems. As part of the trusted IMO UB10 circuit protection range, this D curve breaker is ideal for industrial control panels, machinery, OEM equipment and commercial electrical installations where inductive loads generate high inrush currents.
Featuring a D curve tripping characteristic, the UB10D3004A allows temporary starting currents from motors, transformers, solenoids and compressors to pass without nuisance tripping, while providing rapid and reliable disconnection during genuine overload and short-circuit conditions.
With a rated current of 4 A, a 3-pole configuration and a 10 kA breaking capacity, the UB10D3004A delivers reliable protection for demanding industrial applications. Its compact DIN rail-mounted design enables fast installation within distribution boards and electrical control panels.
Key Advantages
- Reliable overload and short-circuit protection.
- 4 A rated current for low-current three-phase circuits.
- D curve tripping characteristic for inductive loads with high inrush currents.
- 3-pole configuration for complete three-phase circuit protection.
- 10 kA breaking capacity for dependable fault interruption.
- Compact DIN rail-mounted construction for straightforward installation.
Key Features
- IMO UB10 miniature circuit breaker series.
- 4 A rated operational current.
- D curve trip characteristic (10–20 × In).
- 3-pole construction.
- 10 kA short-circuit breaking capacity.
- Thermo-magnetic overload and short-circuit protection.
- Contact position indicator.
- 35 mm TS35 DIN rail mounting.
Reliable Protection for Three-Phase Industrial Circuits
Miniature circuit breakers automatically disconnect electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, machinery and connected equipment from electrical damage. The thermo-magnetic mechanism combines dependable overload protection with rapid magnetic fault interruption to maximise system safety and reliability.
The IMO UB10 series is widely specified for industrial automation, OEM machinery and commercial electrical installations. Its D curve characteristic is particularly suited to motors, transformers, compressors and other inductive equipment that generate high temporary starting currents.
Typical Applications
- Industrial control panels.
- Three-phase motor circuits.
- Transformer protection.
- Industrial automation systems.
- OEM machinery.
- Commercial electrical installations.
- Distribution boards and switchboards.
Technical Specifications
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| Certification | UL 489 | |
|---|---|---|
| Current | 4 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | IMO Precision Controls | |
| Series | UB10 (B10 Range) | |
| Model | UB10D3004A | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 4 A | |
| Number of poles | 3 | |
| Trip characteristic | D Curve | |
| Rated voltage | 230 / 400 V AC, maximum 60 V DC | |
| Rated insulation voltage (Ui) | 500 V | |
| Rated frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Standards | IEC 60898-1, IEC 60947-2, UL 489 | |
| Approvals | CE, VDE, KEMA | |
| Terminal capacity | 1 to 25 mm² | |
| Mounting type | 35 mm TS35 DIN rail | |
| Dimensions (H × W × D) | 85.5 × 52.7 × 78 mm | |
| Weight | Approximately 0.3 kg | |
| HS Code | 8536201090 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the IMO UB10D3004A used for?
It protects three-phase electrical circuits against overloads and short circuits, particularly circuits supplying motors, transformers and other inductive equipment with high starting currents.
What is the current rating?
The UB10D3004A has a 4 A rated current.
Why choose a D curve circuit breaker?
D curve breakers tolerate higher temporary inrush currents than B or C curve breakers, making them ideal for motors, transformers, compressors and other inductive loads.
What is the breaking capacity?
The breaker has a 10 kA short-circuit breaking capacity, providing dependable protection in demanding electrical installations.
How is the UB10D3004A installed?
The breaker is designed for installation on a standard 35 mm TS35 DIN rail inside distribution boards, switchboards and industrial control panels.
Trusted Circuit Protection from IMO
IMO circuit protection products are trusted worldwide by electrical engineers, OEM manufacturers and panel builders for dependable overload protection, straightforward installation and long-term reliability in demanding industrial environments.
