Category Archives: Circuit Breakers / Circuit Protection Devices

E-T-A Appliance Inlet Modules for 3120-N Circuit Breaker / Switch Combination

Systematic reduction of components is a major reason for a successful cost-saving design. And fewer components normally help save space and allow for designing compact products.

The appliance inlet module X3120-B combines three functions within a single component: A C14 appliance inlet, a rocker switch and resettable overcurrent protection. In this module the two latter functions are provided by E-T-A’s wellproven 3120-N circuit breaker/switch combination.

Click for More Information →  3120-N New Generation

 

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E-T-A Add-on Modules for 3120-N Circuit Breaker / Switch Combination

 

Easily mounted add-on modules are available for undervoltage release, magnetic trip, remote trip and auxiliary contact function.

By default, the undervoltage release modules are electrically connected to the main circuit. They can also be supplied with terminals separated from the main circuit if necessary. They allow easy and costeffective realisation of safety circuits.

The magnetic trip module trips the circuit breaker/switch combination at overload currents from four times rated current within milliseconds.

Click for More Information →  3120-N New Generation

 

Enquiry Form: http://www.epreston.co.uk/contact/

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E-T-A Push-In Terminals for Circuit Breaker / Switch Combination 3120-N

E-T-A is the first manufacturer in the world to launch a circuit breaker/switch combination with push-in connection technology – the 3120 N…-PT. This design allows the quick, easy, and reliable connection of conductors. There are no tools required. The conductor can very easily be pushed in because of the special spring contour. This reduces wiring times and prevents fatigue symptoms.

The connection will withstand harsh shock and vibration conditions due to the high surface pressure of the contact spring that is made of a special spring steel. This type of connection is 100% protected against brush contact.

 

Click for More Information →  3120-N New Generation

 

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E-T-A Plug-In Connector for Circuit Breaker / Switch Combination 3120-N

Easy Wiring with a New Plug-In Connector

The 3120-N thermal circuit breaker is a single pole or double pole device which can also serve as an ON/OFF switch. Based on its cost-saving design – two functions in a single unit – it has become an integral part of many applications in medical equipment and in apparatus and machine construction. Manufacturers of professional tools also like to use it because of its compact design.

As a new accessory E-T-A offers a plug-in connector for easily wiring the connecting cables.  Two retaining clips ensure a tight connection between the plug-in connector and the breaker. The dimensions of the female contacts (tab width 6.3) are in accordance with DIN 46340 part 3, shape A. E-T-A standard delivery scope is without female contacts.

Benefits:
Reduction of wiring time during final installation saves time and costs – The plug-in connector can easily be pushed on without tools with a single movement. Female contacts do not have to be plugged on individually.
Wiring errors are excluded during final assembly – The plug-and-socket connection follows the key-lock-key-principle so that the plug cannot be pushed in the wrong way round (fool-proof).
Cable contact with long-term stability – The cable lugs latch irreversibly in the connector. The clamping arms of the connector ensure an extremely firm connection between circuit breaker and connector.
Pre-wiring can be ordered externally – This allows you to use the know-how of specialised cable assemblers.
Breakers can be swapped quickly and easily – The “old device” can be pulled out with a single movement. Then just push in the new device. Done!

Click for More Information →  3120-N New Generation

 

Enquiry Form: http://www.epreston.co.uk/contact/

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E-T-A 3120-N (New Generation) Circuit Breaker / Switch Combination

Protecting and Switching in a Single Component

E-T-A’s 3120-N is a single pole or double pole thermal circuit breaker with a bimetal trip element that also serves as an ON/OFF switch. After tripping due to overcurrent, the 3120-N can easily, reliably and quickly be reset. Time-consuming replacement of fuses is eliminated. The 3120-N circuit breaker/switch combination helps you significantly reduce mounting and wiring time as well as expenses for material planning and stocking expenses.

The 3120-N rocker version is available as non-lighted or lighted (12 V – 400 V) and offers various actuator colours as well as marking choices. The 3120-N push button includes the traditional red/green option as well as a unique offering of protection from accidental operation.

                   With Rocker Actuation:                                                With Push Button Actuation:

                       

* Add-on modules for undervoltage release, magnetic trip, remote trip and auxiliary contacts are also available. Appliance inlet modules, plug-in connectors, terminal adapters and a range of additional accessories guarantee solutions for your challenging applications.

Benefits:
No fuse replacement required – After tripping due to overcurrent, the 3120-N can easily, reliably and quickly be reset.
Reduced mounting and wiring time – You only mount one component. In addition, cables to connect switch and blade fuse are eliminated.
Reduced planning and storage costs – 3120-N replaces a switch, a fuse-holder and blade fuses. This makes purchasing logistics much easier.
Space-saving design – The 3120-N features space-saving integral overcurrent protection. This leaves room for creativity and ideas in terms of space design, even in constricted areas.
Enhanced reliability – Less single components always mean: less sources of error. E-T-A’s 3120-N helps you consistently increase the overall reliability of your products.

Applications:
• Household, Hobby & Garden Equipment
• Industrial equipment control
• Medical technology

Click for More Information →   3120-N New Generation

 

Enquiry Form: http://www.epreston.co.uk/contact/

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Schurter TA36 Thermal Circuit Breaker

Schurter Logo1.jpg

Thermal Circuit Breaker with Modern Design and Refreshing Colors
• New design with a variety of color combinations
• Unique UL rating of 277 VAC
• Finely graded rated currents

Improving a good product – this was the principle behind the development of the Schurter TA36 thermal circuit breaker. Based on the TA35, which has been successfully proven for many years, a refreshing product with a contemporary look was developed.

No longer only functionality and quality matter. Today, a good product must also withstand the critical gaze of a clientele who is accustomed to design.

Refreshing Design
A switch is operated with fingers – sensible sensors. Surfaces and materials are providing a direct feedback, to indicate and feel the quality of a product. Gently curved lines and the best materials combined in the TA36 result in an appealing feeling. Both the flange (3 colours) and the actuator (7 colours) are available in a variety of trendy colours and colour combinations with 5 different types of markings.

Proven Technology
Technically, the TA36 series offers proven technology over years: it is a particularly versatile series of miniature circuit breakers with an especially high UL rating of 277 VAC. It is available as a 1- or 2-pole version and impresses with its compact dimensions.

Wide Range of Applications
The new TA36 offers both the function of an appliance switch and thermal overcurrent protection. Finely graded rated currents from 0.05 A to 20 A are available for 1- and 2-pole circuit breakers. The TA36 switches are designed for efficient snap-in mounting and are equipped with plug-in connections (Quick Connect).

There are almost no limits for the TA36 to find its purpose in various applications: from industrial and medical technology to consumer goods, a TA36 fits almost everywhere.

The TA36 Circuit Breaker is Characterised by Following Key Data:
• Nominal voltage up to 277 VAC and 60 VDC
• Nominal currents with fine gradings from 0.05 A to 20 A
• Rocker-type actuation
• 1-pole or 2-pole versions with quick connect terminals
• Operational temperature from -30 °C to +60 °C
• Degree of protection IP40 (front side)
• UL and VDE approvals (*CCC pending)
• «Retrofit» compatibility given with TA35 circuit breakers

 

Enquiry Form: http://www.epreston.co.uk/contact/

Home Page: http://www.epreston.co.uk/epblog/

Finder 7P Series Surge Protection Devices

                             

Finder supply a complete range of surge protection to help protect your expensive control panels:

• Surge arrester suitable for 230/400 V system applications to prevent over-voltage effects caused by direct for indirect lightning strikes

• SPD Type 1+2

• Replacement spark gap and varistor modules (for single phase systems)

• Visual and remote signalling of varistor status

 

Enquiry Form: http://www.epreston.co.uk/contact/

Home Page: http://www.epreston.co.uk/epblog/

Schurter TA35 Newly Rated Thermal Circuit Breaker 1, 2 or 3-Pole

Schurter Logo1.jpg

• Unique UL rating of 277 VAC
• Rocker actuated
• Various colour switches
• IP 65 with optional cover

With the TA35 series, Schurter offers a particularly versatile generation of miniature circuit breakers with a newly attained UL rating of 277 VAC, the North America rating for 1 of 3 phase used in lighting applications and other mains connected 1-phase devices. They are available in 1-, 2- or 3-pole versions and are especially impressive with their compact and attractive design.

The TA35 offers both the function of a ON/OFF switch and thermal overcurrent protection. Finely graduated rated currents are available from 0.05 A to 20 A for 1-pole and 2-pole circuit breakers, and 0.05 A to 12 A for 3-pole circuit breakers. An optional protective cover offers an IP 65 degree of protection, making the switch suitable for use in harsh environments exposed to dust and splashing water.

The rocker switch can be supplied with or without illumination in six colours with standard print legends, or customer-specific symbols. The circuit breakers are designed for efficient snap-in mounting in panel thicknesses from 1 to 4 mm. The terminals are quick-connect 6.3 x 0.8 mm.

Applications for the TA35, with its increased rating, are commercial lighting and power distribution. Other 1-phase mains connected applications include power generators, cleaning equipment, laboratory equipment for chemical and medicinal use, or machines for food service or processing.

Technical Data / Approvals
The rated AC voltage according to UL was increased to 277 VAC for all non-illuminated 1-pole and 2-pole versions. The voltage rating according to IEC remains at 240 VAC

In addition to the wide application areas of the TA35, the new rating of 277 VAC opens the following new possibilities:
• Industrial lighting arrays (277 VAC)
• Medical and laboratory equipment (277 VAC)
• Industrial Power (277 VAC)
– power supplies
– power distribution strips
– surge/transient voltage suppressors
– power conditioners
– step down transformers

 

Enquiry Form: http://www.epreston.co.uk/contact/

Home Page: http://www.epreston.co.uk/epblog/

Sensata Solutions for Chillers & Boiler HVAC Systems

 

HVAC is the Heating, Ventilating and Air Conditioning method for conditioning the indoor environment of a building, usually with the intent of keeping the occupant comfortable.

Sensata provides many solutions to monitor this process and make it as efficient as possible. Sensata solutions range from the sensors that allow users to monitor their system to circuit breakers which protect the application.

 

Click Here →  Sensasta HVAC Systems

 

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