Circuit Breaker offers ratings of 25, 30, and 35 A.

Press Release Summary:

Series 483 Model MS 3320 single pole, miniaturized, aircraft style thermal circuit breaker features tease-free, trip-free snap action mechanism and push/pull on/off manual actuation. Indicator band on push button shows tripped/off position. Dual chamber construction allows unit to handle large DC currents. Circuit breaker exceeds specifications for mechanical endurance, vibration, and shock. It is temperature compensated from -67 to +257°F.

Original Press Release:

High Performance MS 3320 Circuit Breaker Now Offered Up to 35 Amps

Chicago, December 16, 2002-- E-T-A Circuit Breakers, a leading manufacturer of circuit breakers for equipment, announced the robust MS 3320 high performance, 483 Series circuit breaker is now offered in amp ratings 25, 30, and 35. The 483 is the first available MS 3320 circuit breaker with ratings this high.

Increasing demand for higher protection in a smaller space, led E-T-A to re-design the sophisticated MS 3320 circuit breaker. E-T-A's 483 high performance circuit breaker meets these sophisticated requirements. By increasing the available amp ratings up to 35 amp, designers can be assured the same protection in a smaller package.

The 483 Series MS 3320 contains unsurpassed engineering and reliability. Unique features, such as the advanced dual chamber construction, allow the 483 to handle large DC currents. Weighing only 24 grams, the 483 exceeds the MS 3320 specification for mechanical endurance, vibration and shock.
The 483 Series is a single pole, miniaturized, aircraft style thermal circuit breaker with tease-free, trip-free, snap action mechanism and push/pull on/off manual actuation. An indicator band on the push button shows clearly the tripped/off position. Threadneck panel mounting is available in metric and US
configurations. The 483 is temperature compensated from -67°F to +257°F (-55°C to +125°C), with optional auxiliary contacts, and fully approved for use on a wide range of aircraft and equipment. Full specification ensures suitability for the most demanding applications.

Pricing and Availability
Pricing varies considerably based on volume. The 483 is available in 8-10 weeks after receipt of order.

For detailed information visit the E-T-A website,

About E-T-A
E-T-A Circuit Breakers is the world's leading manufacturer of circuit breakers for OEM equipment and is the only resource for all circuit protection technologies: thermal, thermal-magnetic, magnetic and high performance. E-T-A circuit breakers are available in more than 150 models and 350,000 different
configurations. E-T-A is also a world-leading manufacturer of control and monitoring products, and solid state remote power controllers (SSRPCs). With the North American headquarters in Chicago, the company serves industrial OEMs and end-users.

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