imo c4/32r-26 thermal/mag motor circuit breaker 18-26a
IMO C4/32R-26 manual motor circuit breaker with adjustable 18-26 A overload setting, 338 A magnetic trip, phase failure protection and DIN rail mounting for industrial motor protection.
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Why Choose the IMO C4/32R-26 Motor Circuit Breaker?
The IMO C4/32R-26 is a durable manual motor circuit breaker (MPCB) designed to protect electric motors against overloads, short circuits and phase failure. Part of the reliable IMO C4 motor protection range, it combines thermal and magnetic protection in a compact DIN rail mounted device for industrial machinery, control panels and automation systems.
With an adjustable 18 to 26 A current setting range, the C4/32R-26 allows accurate overload protection matched to the motor's full load current. Its rotary operating mechanism provides straightforward manual isolation, while the compact construction makes it suitable for panel builders, machine builders and maintenance engineers.
The IMO C4/32R-26 features a 338 A magnetic trip release, phase failure protection and a high short circuit breaking capacity, helping to reduce downtime and protect valuable motors in demanding industrial environments.
Key Advantages
Compact manual motor circuit breaker for industrial motor protection.
18 to 26 A adjustable overload setting.
Protects against overload, short circuit and phase failure.
338 A instantaneous magnetic trip for high fault current protection.
Rotary operating handle for safe manual motor isolation.
DIN rail mounting for fast installation in control panels.
Key Features
IMO C4 motor circuit breaker series.
18 to 26 A adjustable thermal protection.
338 A magnetic short circuit release.
Suitable for three-phase motor protection.
Integrated phase failure protection.
3-pole configuration.
Rotary operator.
Compatible with auxiliary contacts, alarm contacts, shunt trips, undervoltage releases and busbar accessories.
Reliable Motor Protection for Industrial Applications
Motor circuit breakers are used to protect motors by combining adjustable thermal overload protection with instantaneous magnetic short circuit protection. This helps prevent motor damage, improves machine reliability and supports safe operation in industrial control systems.
The IMO C4 series is widely used by panel builders, OEMs and industrial maintenance teams requiring dependable motor protection with simple installation, compact dimensions and flexible accessory options.
Typical Applications
Industrial pumps.
Compressors.
Conveyor systems.
Fans and ventilation equipment.
Production and packaging machinery.
OEM machinery and control panels.
Technical Specifications
Current
26 A
Manufacturer
IMO Precision Controls
Series
C4 Motor Circuit Breakers
Model
C4/32R-26
Product type
Manual motor circuit breaker
Current setting range
18 to 26 A
Magnetic trip
338 A
Number of poles
3P
Breaking capacity
Up to 50 kA at 400 V AC
Protection functions
Overload, short circuit and phase failure
Rated frequency
50 / 60 Hz
Protection rating
IP20
Mounting type
35 mm DIN rail
Operation
Rotary handle
HS Code
8536201090
Country of Manufacture
South Korea
Frequently Asked Questions
What is the IMO C4/32R-26 used for?
The C4/32R-26 is used to protect electric motors against overloads, short circuits and phase failure while also providing manual isolation.
What current range does this breaker cover?
The adjustable overload setting covers 18 A to 26 A, allowing it to be matched to the connected motor's full load current.
What is the magnetic trip rating?
The IMO C4/32R-26 has an instantaneous magnetic trip rating of approximately 338 A.
Is the IMO C4/32R-26 suitable for DIN rail mounting?
Yes. The breaker is designed for mounting on a standard 35 mm DIN rail inside electrical control panels.
What accessories can be used with the C4 series?
The C4 range supports accessories such as auxiliary contacts, alarm contacts, shunt trips, undervoltage releases, busbars and enclosure options.
Trusted by Industrial Control Panel Builders
IMO C4 motor circuit breakers are trusted by panel builders, machine builders and industrial engineers for dependable motor protection, reliable manual isolation and long service life in demanding automation applications.
Current
26 A
Manufacturer
IMO Precision Controls
Series
C4 Motor Circuit Breakers
Model
C4/32R-26
Product type
Manual motor circuit breaker
Current setting range
18 to 26 A
Magnetic trip
338 A
Number of poles
3P
Breaking capacity
Up to 50 kA at 400 V AC
Protection functions
Overload, short circuit and phase failure
Rated frequency
50 / 60 Hz
Protection rating
IP20
Mounting type
35 mm DIN rail
Operation
Rotary handle
HS Code
8536201090
Country of Manufacture
South Korea
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...