Why Choose the IMO UB10C300.5A UL489 Miniature Circuit Breaker?
The IMO UB10C300.5A is a compact and dependable UL489 miniature circuit breaker (MCB) designed to provide overload and short circuit protection for low-current industrial branch circuits. Manufactured by IMO Precision Controls, it is suitable for protecting sensitive control equipment, instrumentation and automation circuits within industrial electrical panels.
The UB10C300.5A combines thermomagnetic circuit protection with a modular DIN rail-mounted construction, helping machine builders and panel manufacturers create reliable and space-efficient electrical systems. Its three-pole design enables simultaneous protection and isolation across three connected conductors.
Featuring a 0.5 A rated current, 3-pole configuration and C curve tripping characteristic, the UB10C300.5A is suitable for low-current circuits that may experience moderate temporary inrush currents. Its 10 kA short circuit interrupting capacity provides robust fault protection for demanding industrial installations.
Key Advantages
- Dependable overload and short circuit protection.
- 0.5 A current rating for sensitive industrial control circuits.
- 3-pole configuration for simultaneous three-line protection and isolation.
- C curve tripping characteristic accommodates moderate temporary inrush currents.
- 10 kA interrupting capacity provides effective fault protection.
- Compact DIN rail-mounted design simplifies control panel installation.
Key Features
- IMO UB10 UL489 miniature circuit breaker.
- 0.5 A rated current.
- 3-pole construction.
- C curve trip characteristic.
- 10 kA short circuit interrupting capacity.
- Thermomagnetic overload and short circuit protection.
- Manual switching and circuit isolation capability.
- Compact DIN rail mounting for industrial control panels.
Reliable Protection for Sensitive Industrial Circuits
Miniature circuit breakers protect electrical wiring and connected equipment by automatically disconnecting a circuit when excessive current is detected. Thermomagnetic operation provides delayed response to sustained overloads and rapid interruption during high-current short circuit conditions.
The IMO UB10C300.5A is designed for low-current industrial applications where sensitive devices require dependable protection. Its C curve characteristic helps accommodate short-duration starting currents while maintaining effective protection against prolonged overloads and electrical faults.
Typical Applications
- Industrial control and automation panels.
- Instrumentation and monitoring circuits.
- PLC and controller power circuits.
- Low-current three-phase control equipment.
- OEM machinery and production systems.
- Industrial branch circuit protection.
