UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close
Already an Engineering360 user? Log in.

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Customize Your Engineering360 Experience

close
Privacy Policy

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

UL 489A OUTLINE

Outline of Investigation for Circuit Breakers for Use in Communications Equipment

inactive
Buy Now
Organization: UL
Publication Date: 21 May 2004
Status: inactive
Page Count: 8

Document History

October 15, 2008
UL Standard for Safety Circuit Breakers for use in Commmunications Equipment
The requirements of this standard cover single pole or multi-pole DC rated circuit breakers intended for use as branch circuit overcurrent and short-circuit protection in communications equipment....
October 15, 2008
UL Standard for Safety Circuit Breakers for use in Commmunications Equipment
The requirements of this standard cover molded-case circuit breakers, circuit breaker and ground-fault circuit-interrupters, fused circuit breakers, and accessory high-fault protectors. These circuit...
October 15, 2008
UL Standard for Safety Circuit Breakers for use in Commmunications Equipment
The requirements of this standard cover single pole or multi-pole DC rated circuit breakers intended for use as branch circuit overcurrent and short-circuit protection in communications equipment....
UL 489A OUTLINE
May 21, 2004
Outline of Investigation for Circuit Breakers for Use in Communications Equipment
A description is not available for this item.
June 12, 1998
Outline of Investigation for Circuit Breakers for Use in Communications Equipment
A description is not available for this item.
Advertisement