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Showing Results For: Thermal Magnetic Circuit Breakers

Thermal Magnetic Circuit Breakers

Thermal magnetic circuit breakers are auto-operate protective switches designed to protect against overloads or short-circuits in electrical circuits. These breakers feature electromagnets and bimetallic strips to detect electrical surges. These thermal aspects of devices allow for larger and delayed overloads, such as in the case of motors with small overloads each time the engine is switched ON for a short period of time. This avoids any damage or tripping circuits. How do they work? The int...

Thermal magnetic circuit breakers are auto-operate protective switches designed to protect against overloads or short-circuits in electrical circuits. These breakers feature electromagnets and bimetallic strips to detect electrical surges. These thermal aspects of devices allow for larger and delayed overloads, such as in the case of motors with small overloads each time the engine is switched ON for a short period of time. This avoids any damage or tripping circuits.

How do they work?

The integrated electromagnet is highly sensitive to higher surges in power currents and responds efficiently by switching OFF the current flow to the component. On the other hand, the bimetallic strip expands upon exposure to excessive current flow that causes bending of the strips towards a trip bar and turns the circuit OFF. These strips return to a normal state, allowing the operation to become routine and continue when cooled down and reset.

Typical Specifications of Thermal Magnetic Circuit Breakers:

These dual operating breakers feature several unique characteristics needed to identify them when operating:

  • Mounting style: 

It designates various options such as draw-out, bolt-on, fixed, plug-in, and DIN rail mounts.

  • Rated AC voltage: 

It demonstrates the maximum AC voltage that these breakers are designed to handle.

  • Rated breaking capacity: 

It describes the breakers’ broken current at a given recovery voltage under specified conditions. 

  • Continuous current rating: 

Demonstrate the maximum amount of continuous current that breakers can handle without tripping. 

  • Operating temperature: 

It indicates the optimum operating temperatures for these specified breakers.

  • The number of poles:

It shows the circuit number that the breaker can control.

  • Short-time rating:

It illustrates the amount of fault current thermal-magnetic breakers can carry during closing conditions. 

Applications of Thermal Magnetic Circuit Breakers:

Thermal magnetic circuit breakers are ideal for a wide range of distribution boards. 

They are found in the subsidiary circuits in several electrical supply, telecommunications, and process control systems to protect against overloads.

Why choose Enrgtech?

Enrgtech supplies electrical and electronic products of standard quality to the target audience. We carry special collections of circuit breakers and fuses explicitly designed for engineering and professional purposes. Visit our website to order products that meet the demands of potential customers with efficient delivery services.


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Carling Technologies
Rohs Verified
CIR BRKR THRM 12A 250VAC 32VDC
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Carling Technologies
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CIR BRKR THRM 5A 250VAC 50VDC
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Phoenix Contact
CIR BRKR 4A 24VDC AUTO RESET
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Carling Technologies
Rohs Verified
CIR BRKR 10A 277VAC 80VDC
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Schurter
Rohs Verified
T9 Series Thermal Circuit Breaker Professional range of Schurter thermal circuit breakers from the T9 series. T9 single-pole, compact thermal circuit breakers. Trigger via a bimetallic element. Connection via Faston terminals. Reset button on the front panel. Snap-fitting installation. Thermal Magnetic Convertible All CBEs have blade terminals and have an insulation resistance greater than 100MΩ (MegaOhms).
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Schurter
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TA45 Series Circuit Breaker Professional range of Schurter thermal circuit breakers from the TA45 series. The circuit breakers are typically used in applications such as motors, power supplies and processing machines. Actuation Type - Rocker Thermal Magnetic Convertible All CBEs have blade terminals and have an insulation resistance greater than 100MΩ (MegaOhms).
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Carling Technologies
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Carling Technologies C-Series Circuit Breakers Carling Technologies C-Series hydraulic/magnetic circuit breakers are ideal for applications that require higher amperage and voltage handling capability in a compact package. They are available in 1-6 poles, 0.02-100 amps, up to 480 V ac or 150 V dc, with choice of time delays, terminal options, actuator styles and colours. The C-Series employs a unique arc chute design which allows for higher interrupting capacities of up to 10,000 amps. A thermoset glass filled polyester half shell construction provides for increased mechanical and electrical strength. The wiping contacts, mechanical linkage with two step actuation, and clean contacts provide high, positive contact pressure and longer contact life. Stud or screw terminals Visual indication of electrical overload with or without alarm feature Exclusive Rockerguard and Push-To-Reset bezel help prevent inadvertent actuation Hydraulic/Magnetic Circuit Breaker
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Cliff Electronics
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Cliff Electronics Circuit Protection Devices - Automatic Reset AN Series Cliff Electronics automatic reset AN series of circuit protection devices offer a comprehensive solution to a variety of circuit protection requirements. The AN series is available as a snap-in type, with PC mounting. With a range of values up to 12A, the AN series is designed to protect audio speaker systems, amplifiers and power supplies. High current accuracy Snap action Automatic reset Long life PBT resin enclosure Highly reliable
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Altech
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Altech R-Series DIN Rail Thermal Magnetic Circuit Breakers are found in most distribution boards. The thermal portion provides an "inverse time" response feature, which trips the circuit breaker sooner for larger overcurrent’s. The Altech R-series are primarily DIN Rail mounted and provide a compact solution to your protection requirements. All models are highly reliable and excellent quality. DIN Rail Mounted 17.5mm width per pole Thermal Magnetic 10kA Short Circuit Withstand Capacity Positive Trip indicator Thermal Magnetic Convertible All CBEs have blade terminals and have an insulation resistance greater than 100MΩ (MegaOhms).
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Altech
Rohs Verified
Altech V-EA Series DIN Rail Thermal Magnetic Circuit Breakers are found in most distribution boards. The thermal portion provides an "inverse time" response feature, which trips the circuit breaker sooner for larger overcurrent’s. The Altech V-EA series are primarily DIN Rail mounted and provide a compact solution to your protection requirements. All models are highly reliable and excellent quality. DIN Rail Mounted 17.5mm width per pole Thermal Magnetic 10kA Short Circuit Withstand Capacity Thermal Magnetic Convertible All CBEs have blade terminals and have an insulation resistance greater than 100MΩ (MegaOhms).
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Schurter
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TA45 Series Circuit Breaker Professional range of Schurter thermal circuit breakers from the TA45 series. The circuit breakers are typically used in applications such as motors, power supplies and processing machines. Actuation Type - Rocker Thermal Magnetic Convertible All CBEs have blade terminals and have an insulation resistance greater than 100MΩ (MegaOhms).
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Altech
Rohs Verified
Altech V-EA Series DIN Rail Thermal Magnetic Circuit Breakers are found in most distribution boards. The thermal portion provides an "inverse time" response feature, which trips the circuit breaker sooner for larger overcurrent’s. The Altech V-EA series are primarily DIN Rail mounted and provide a compact solution to your protection requirements. All models are highly reliable and excellent quality. DIN Rail Mounted 17.5mm width per pole Thermal Magnetic 10kA Short Circuit Withstand Capacity Thermal Magnetic Convertible All CBEs have blade terminals and have an insulation resistance greater than 100MΩ (MegaOhms).
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Carling Technologies CTB-B-B-05

Phoenix Contact 0912034

Altech 3A 2 Pole Thermal Magnetic Circuit Breaker V-EA

Schurter Thermal Magnetic Circuit Breaker

FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Thermal Magnetic Circuit Breakers and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Thermal Magnetic Circuit Breakers or any other product.
This depends on the Thermal Magnetic Circuit Breakers individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Thermal Magnetic Circuit Breakers and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Thermal Magnetic Circuit Breakers.
Yes. We keep updating our stock frequently and if a product like Thermal Magnetic Circuit Breakers is not in stock then we will let you know.