Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
imo c4/63r-63 thermal/mag motor circuit breaker 45-63a
IMO C4/63R-63 thermal magnetic motor circuit breaker with adjustable 45-63 A overload protection and 819 A magnetic trip release for industrial motor protection applications.
£133.51
Why Choose the IMO C4/63R-63 Thermal Magnetic Motor Circuit Breaker?
The IMO C4/63R-63 is a robust thermal magnetic motor circuit breaker engineered to provide dependable protection for three-phase motors used in industrial machinery, automation systems and motor control panels. As part of the IMO C4 motor protection circuit breaker range, it combines adjustable thermal overload protection with rapid magnetic short-circuit protection in a compact, reliable device designed for demanding industrial environments.
Designed for machine builders, panel manufacturers and maintenance engineers, the C4/63R-63 protects motors against overloads, phase failure and short-circuit faults while providing safe manual isolation. Its rotary operating handle, DIN rail mounting capability and compatibility with a wide range of accessories make it an excellent choice for industrial motor starter assemblies and control systems.
With an adjustable thermal setting of 45-63 A and an instantaneous magnetic trip release of 819 A, the IMO C4/63R-63 is ideal for protecting larger motors used in pumps, compressors, conveyors, fans and heavy-duty production machinery.
Key Advantages
- Reliable thermal magnetic motor circuit breaker.
- 45-63 A adjustable thermal overload protection.
- 819 A magnetic short-circuit protection.
- Provides overload, short-circuit and phase failure protection.
- Padlockable rotary operating handle for safe isolation.
- Suitable for industrial motor control and automation systems.
Key Features
- IMO C4 motor protection circuit breaker series.
- Adjustable overload range: 45-63 A.
- 819 A magnetic trip release.
- Three-pole motor protection.
- Manual reset operation.
- DIN rail and panel mounting.
- IP20 protection rating.
- Compatible with selected IMO C4 auxiliary contacts, shunt trips and undervoltage releases.
Reliable Protection for Industrial Motors
The IMO C4/63R-63 combines thermal overload and magnetic short-circuit protection to safeguard three-phase motors operating in demanding industrial environments. The adjustable overload setting allows accurate matching to the motor's full-load current, helping reduce downtime while improving equipment reliability and service life.
Its compact design and compatibility with auxiliary contacts, shunt trips and undervoltage releases make it suitable for motor starter assemblies, machine control panels and OEM equipment where dependable motor protection and safe isolation are essential.
Typical Applications
- Industrial motor starter assemblies.
- Electrical control panels.
- Conveyors and material handling systems.
- Pumps, fans and compressors.
- Production machinery and machine tools.
- OEM automation and motor control systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current Range | 40–63 A | |
|---|---|---|
| Device Type | Motor protection breaker | |
| Application | Motor protection | |
| Actuator Type | Rotary | |
| Terminal Type | Screw Terminal | |
| Current | 63 A | |
| Poles | 3-pole | |
| Manufacturer | IMO Precision Controls | |
| Series | C4 Motor Protection Circuit Breakers | |
| Model | C4/63R-63 | |
| Alternative SKU | C463R63 | |
| Product type | Thermal magnetic motor circuit breaker | |
| Current adjustment range | 45-63 A | |
| Magnetic trip release | 819 A | |
| Number of poles | 3 | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Short-circuit breaking capacity | 50 kA | |
| Mounting type | DIN rail / panel mounting | |
| Manufacturer part number | C4/63R-63 | |
| HS Code | 8536209090 | |
| Country of Manufacture | Austria |
Frequently Asked Questions
What is the IMO C4/63R-63 used for?
The IMO C4/63R-63 protects three-phase motors against overloads, short circuits and phase failure in industrial motor control applications.
What current range does this model support?
The adjustable thermal overload range is 45-63 A.
What is the magnetic trip rating?
The magnetic short-circuit release operates at approximately 819 A.
Can the breaker be mounted on a DIN rail?
Yes. The C4/63R-63 is designed for DIN rail or panel mounting inside industrial electrical control cabinets.
What equipment is this breaker commonly used with?
It is widely used with pumps, compressors, conveyors, fans, production machinery and industrial motor starter panels.
Trusted by Industrial Control Engineers Worldwide
IMO C4 motor protection circuit breakers are trusted by panel builders, OEM manufacturers and industrial engineers for dependable motor protection, reliable switching and long service life in demanding industrial applications.
