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-50 thermal/mag motor circuit breaker 34-50a
IMO C4/63R-50 thermal magnetic motor circuit breaker with adjustable 34-50 A overload protection and 650 A magnetic trip release for industrial motor protection applications.
£133.51
Why Choose the IMO C4/63R-50 Thermal Magnetic Motor Circuit Breaker?
The IMO C4/63R-50 is a robust thermal magnetic motor circuit breaker designed to provide reliable protection for three-phase motors in industrial machinery, automation systems and electrical 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 one compact, panel-friendly device.
This motor protection circuit breaker helps protect motors against overloads, short circuits and phase failure conditions, reducing the risk of equipment damage and costly downtime. Its rotary operating mechanism, manual reset function and DIN rail mounting design make it suitable for panel builders, OEMs and maintenance engineers working with demanding motor control applications.
With an adjustable current range of 34-50 A and a magnetic trip release of 650 A, the C4/63R-50 is ideal for protecting industrial motors used in conveyors, pumps, fans, compressors, machine tools and production machinery.
Key Advantages
- Reliable thermal magnetic motor circuit breaker.
- 34-50 A adjustable thermal overload protection.
- 650 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 panels.
Key Features
- IMO C4 motor protection circuit breaker series.
- Adjustable overload range: 34-50 A.
- 650 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 and accessories.
Reliable Protection for Industrial Motors
The IMO C4/63R-50 combines thermal overload and magnetic short-circuit protection to safeguard three-phase motors in industrial environments. The adjustable current setting allows the breaker to be matched to the motor's full-load current, helping maintain dependable protection while reducing unnecessary nuisance tripping.
Its compact construction and accessory compatibility make it a practical choice for motor starter assemblies, machine control panels and OEM equipment where safe switching, motor isolation and reliable protection 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 | 32–40 A, 40–63 A | |
|---|---|---|
| Device Type | Motor protection breaker | |
| Application | Motor protection | |
| Actuator Type | Rotary | |
| Terminal Type | Screw Terminal | |
| Current | 50 A | |
| Poles | 3-pole | |
| Manufacturer | IMO Precision Controls | |
| Series | C4 Motor Protection Circuit Breakers | |
| Model | C4/63R-50 | |
| Alternative SKU | C463R50 | |
| Product type | Thermal magnetic motor circuit breaker | |
| Current adjustment range | 34-50 A | |
| Magnetic trip release | 650 A | |
| Number of poles | 3 | |
| Rated operational voltage | Up to 690 V AC | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Short-circuit breaking capacity | Up to 50 kA | |
| Mounting type | DIN rail / panel mounting | |
| Operating temperature | -20°C to +60°C | |
| Manufacturer part number | C4/63R-50 | |
| HS Code | 8536201090 | |
| Country of Manufacture | Austria |
Frequently Asked Questions
What is the IMO C4/63R-50 used for?
The IMO C4/63R-50 is used to protect three-phase motors against overload, short-circuit and phase failure conditions in industrial control systems.
What current range does this model cover?
The adjustable thermal overload range is 34-50 A.
What is the magnetic trip setting?
The magnetic short-circuit release operates at approximately 650 A.
Can the C4/63R-50 be mounted on a DIN rail?
Yes. The C4/63R-50 is designed for DIN rail or panel mounting inside industrial electrical control cabinets.
What types of equipment is it commonly used with?
It is commonly used with pumps, fans, compressors, conveyors, production machinery, motor starter panels and OEM automation systems.
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, safe isolation and reliable long-term performance in demanding control applications.
