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imo c4/63r-40 thermal/mag motor circuit breaker 28-40a
IMO C4/63R-40 thermal magnetic motor circuit breaker with adjustable 28-40 A overload protection and 520 A magnetic trip release for industrial motor protection applications.
£133.51
Why Choose the IMO C4/63R-40 Thermal Magnetic Motor Circuit Breaker?
The IMO C4/63R-40 is a robust thermal magnetic motor circuit breaker designed to provide reliable protection for three-phase motors used 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 safeguard motors against overloads, short circuits and phase failure conditions, reducing the risk of motor damage and unplanned downtime. Its rotary operating mechanism, manual reset function and DIN rail mounting design make it a practical choice for panel builders, OEMs and maintenance engineers working with demanding motor control applications.
With an adjustable current range of 28-40 A and a magnetic trip release of 520 A, the C4/63R-40 is ideal for protecting industrial motors used in pumps, fans, compressors, conveyors, machine tools and production machinery.
Key Advantages
- Reliable thermal magnetic motor circuit breaker.
- 28-40 A adjustable thermal overload protection.
- 520 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: 28-40 A.
- 520 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-40 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 and reducing unnecessary tripping.
Its compact construction and accessory compatibility make it suitable 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
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| Current Range | 25–32 A, 32–40 A | |
|---|---|---|
| Device Type | Motor protection breaker | |
| Application | Motor protection | |
| Actuator Type | Rotary | |
| Terminal Type | Screw Terminal | |
| Current | 40 A | |
| Poles | 3-pole | |
| Manufacturer | IMO Precision Controls | |
| Series | C4 Motor Protection Circuit Breakers | |
| Model | C4/63R-40 | |
| Alternative SKU | C463R40 | |
| Product type | Thermal magnetic motor circuit breaker | |
| Current adjustment range | 28-40 A | |
| Magnetic trip release | 520 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 | Up to 100 kA | |
| Mounting type | DIN rail / panel mounting | |
| Manufacturer part number | C4/63R-40 | |
| HS Code | 8536201090 | |
| Country of Manufacture | South Korea |
Frequently Asked Questions
What is the IMO C4/63R-40 used for?
The IMO C4/63R-40 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 28-40 A.
What is the magnetic trip setting?
The magnetic short-circuit release operates at approximately 520 A.
Can the C4/63R-40 be mounted on a DIN rail?
Yes. The C4/63R-40 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.
