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E-T-A Circuit Breakers has introduced the latest offering in its 3120 Series of rocker-actuated, combined switch/circuit breakers.

The optional integral LED illumination that is now available on the Type 3120 offers power saving and improved endurance compared to earlier versions with filament bulbs.

The 3120 is used for applications including electrical machinery, power tools, household appliances and garden machinery, as well as for marine control panels, medical equipment and communications systems.

The S-type E-T-A 3120 thermal circuit breaker range is designed for frequent on/off switching under normal load conditions, at the same time providing accurate over-current protection with a trip-free mechanism.

The illumination is offered in a choice of red, yellow, green and blue.

The 3120 is suitable for switching applications up to 50V DC or 240/415V AC with a choice of current ratings from 0.1A up to 20A for single or double-pole applications.

Designed for snap-in frame mounting, it can be specified with a water splash protection cover for rugged environments, and an actuator guard that protects against inadvertent resets.

The LED versions require less than 2mA in operation, compared to earlier versions with filament bulbs, which required between 20mA and 60mA.

Improved illumination endurance, as well as reduced susceptibility to shock, vibration and low temperatures, also mean lower maintenance requirements.

The E-T-A 3120 range carries EN 60934 Circuit Breaker for Equipment approval as well as approvals from respected authorities such as UL and CSA.

The 3120 provides proven reliability for many demanding applications, including recreational and workboats as it is suitable for even the harshest conditions experienced at sea.

ETA Circuit Breakers

E-T-A designs and manufactures a broad range of electro-mechanical and electronic products for circuit protection, control and instrumentation, including the world’s largest range of circuit breakers for equipment (CBEs). E-T-A’s product programme also includes highly innovative electronic devices and systems with switching, protection and control functionality; as well as a range of process sensors for flow and level sensing.

E-T-A equipment is specified and installed by a wide variety of industrial OEMs and end-users, with key markets including air, sea and land transport, process control, computers and communications, medical equipment, domestic appliances, machine tools and robotics.

Founded in 1948 and still in private ownership, E-T-A has established itself as market leader in the design, development and manufacture of circuit breakers for equipment protection. E-T-A is an international company with headquarters in Altdorf, Germany, and production facilities in several other countries, together with marketing, sales and technical operations throughout the industrial world. Its European, North American and Far Eastern markets are served by some 1,500 employees.

Quality Assurance
E-T-A products are safety-critical items: when required to do so they must perform reliably and predictably – to protect property and people. E-T-A Quality Management has always been prominent within the organisation, working with other departments to establish the foundations upon which E-T-A’s reputation is based. The E-T-A mark is recognised today as a symbol of reliability throughout the world.

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