1489-M1C080 Allen-Bradley Miniature Circuit Breaker

1489-M1C080 Allen-Bradley Miniature Circuit Breaker

Brand：Allen-Bradley                        Model number：1489-M1C080

Country of origin: United States        Product weight：0.55kg

HS code：8517623990

Product Dimensions：

The following is a discussion of application considerations

related to North American applications. When applying product

to IEC regional requirements, follow IEC practices and guidelines.

The selection of a specific ampere rating for a specific

application is dependent on the type of load and duty cycle

and is governed by the National Electric Code (Canadian

Electric Code) and UL/CSA. In general, the codes require that

overcurrent protection is at the current supply and at points

where wire sizes are reduced. In addition, the codes state

that conductors be protected according to their current

carrying capacity. There are specific situations that require

application consideration, such as motor circuit, and

guidelines for the selection for transformer protection.

The Bulletin 1489-M circuit breakers are “non-100% rated” as

defined by UL 489, para 7.1.4.2. As such, the circuit breaker's

rating should be loaded to no more than 80% if used with

continuous loads.

Line and load may be reversed. The Bulletin 1489-M circuit

breaker may be bottom fed.

The trip curve characteristics are shown on the following

pages. The trip bands shown for each breaker represent

current tripping limits for a circuit breaker and are within the

limits established by UL.

The standard tripping characteristic for Bulletin 1489-M is

Type C. Type C has a magnetic trip activated at 5-10 times

the rated current of the circuit breaker. The reference

temperature for the thermal tripping characteristics is 30 °C.

The Type C characteristic will suit most applications. 

In rare occurrences when the Type C characteristic does not

fully meet the application, Type D magnetic trip

characteristic is available, allowing for transients

approximately twice as high as the standard Type C. 

For a specific current at 30 °C, a circuit breaker will open

("clear the circuit") automatically at some total time that will

be within the minimum and maximum time shown on the

curves. For example, a one-pole, 15 A, Bulletin 1489-M circuit

breaker trips in not less than 1 s and not more than 200 s on

a 30 A current. Because the UL standard defines this time

spread, users should not specify exact tripping time. The

lower current portion of the curves (upper left) depicts the

time to trip due to thermal action and reflect overload

protection of the wire and connect load. The higher current

portion of the curves (lower right) depicts the trip due to

magnetic action of the circuit breaker and reflects protection

due to short circuit level currents.

We have the same series of models in stock.  If you don't find the model you need, please contact us and we will provide you with an official quotation！

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