Standard for thermal protectors for motors.
Contributors: Underwriters' Laboratories.
Edition: 7th ed.
Publisher: Underwriters' Laboratories
Published: 1991
Place of publication: Northbrook, Ill
Language: eng
Number of pages: 15
Subjects: Electric power systems -- Protection -- Standards
Other titles: Thermal protectors for motors.
Notes: Cover title: Thermal protectors for motors.

At head of title: UL 547.

"Approved as ANSI/UL 547-1991, May 8, 1991."

"Standard for safety."--Cover.

"American national standard."

"ANSI/UL 547-1991."