1489-M3C630 Allen-Bradley Miniature circuit breaker

1489-M3C630 Allen-Bradley Miniature circuit breaker

Brand：Allen-Bradley                        Model number：1489-M3C630

Country of origin: United States        Product weight：0.12kg

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.

Bulletin 1489-M circuit breakers may be used to protect

branch circuits. A branch circuit is the wiring portion of a

system extending beyond the final overcurrent device

protecting the circuit. Guidelines established in NEC, CEC, UL,

and CSA should be used to determine the specific device.

For example:

Motor Branch Circuit

Bulletin 1489-M circuit breakers are not horsepower rated

because they are able to safely interrupt currents far in

excess of the locked rotor value for a selected motor. This

ability is recognized in the codes and standards and is also

established by the UL and CSA tests described in UL 489

and CSA C22.2 No. 5 standards.

The size of a Bulletin 1489-M circuit breaker should be

determined following the guidelines for an Inverse Time

Circuit Breaker.

References: NEC 430.51 and UL 489. Also see CEC and

appropriate Canadian Standards

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Colour：new                                  Warranty: 12 months

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