UL 2111-1997
UL Standard for Safety Overheating Protection for Motors First Edition; This Standard Contains Revisions Through and Including 01/27/2006

Standard No.

UL 2111-1997

Release Date

1997

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2007-02

Replace By

UL 2111 BULLETIN-2001

Latest

UL 2111 BULLETIN-2017

Scope

Covers: a) Impedance-protected motors; b) Thermal-device-protected motors; and c) Thermal-protective devices. The requirements in this standard apply only to motors rated 600 V or less. The requirements in this standard are intended to evaluate a specific motor with a given protector. When either the motor or the protector is changed, a separate evaluation is required.The requirements in this standard cover: a) Impedance-protected motors; b) Thermal-device-protected motors; and c) Thermal-protective devices. The requirements in this standard apply only to motors rated 600 V or less. The requirements in this standard are intended to evaluate a specific motor with a given protector. When either the motor or the protector is changed, a separate evaluation is required. This standard was listed for public review in the 3/23/2001 issue of Standards Action. It is being resubmitted due to the following changes to the text. [see 30-day PR text in email]

UL 2111-1997 history

• 2017 UL 2111 BULLETIN-2017 UL Standard for Safety Overheating Protection for Motors (COMMENTS DUE: February 27@ 2017)
• 1970 UL 2111-2016 UL Standard for Safety Overheating Protection for Motors
• 2015 UL 2111 BULLETIN-2015 UL Standard for Safety Overheating Protection for Motors (COMMENTS DUE: June 29@ 2015)
• 2014 UL 2111 BULLETIN-2014 UL Standard for Safety Overheating Protection for Motors (COMMENTS DUE: April 20@ 2015)
• 2009 UL 2111 CRD-2009 UL Standard for Safety Overheating Protection for Motors - Section / Paragraph Reference: 7@ 8@ 9@ 14@ 15@ 16 Subject: Power Interruption During Locked Rotor Tests on Impedance Protected Motors and Motors Containing Automatic Reset Thermal Motor Protector
• 2008 UL 2111 CRD-2008 UL Standard for Safety Overheating Protection for Motors - Section / Paragraph Reference: 7, 8, 9, 14, 15, 16 Subject: Power Interruption During Locked Rotor Tests on Impedance Protected Motors and Motors Containing Automatic Reset Thermal Motor Protector
• 2007 UL 2111 BULLETIN-2007 UL Standard for Safety Overheating Protection for Motors [Superseded: UL 519, UL 547]
• 2003 UL 2111 BULLETINS-2003 9/22/2003 (38p)
• 2003 UL 2111 BULLETIN-2003 UL Standard for Safety Overheating Protection for Motors
• 2001 UL 2111 BULLETINS-2001 9/21/2001 (6p) Comments Due:October 19,2001
• 2001 UL 2111 BULLETIN-2001 UL Standard for Safety Overheating Protection for Motors (COMMENTS DUE: October 19@ 2001)
• 1997 UL 2111-1997 UL Standard for Safety Overheating Protection for Motors First Edition; This Standard Contains Revisions Through and Including 01/27/2006