UL PRODUCT CATEGORY

Fusible Links, JGIX


Guide Information for Building Materials

Guide Information for Fire Resistance Ratings

Guide Information for Heating, Cooling, Ventilating and Cooking Equipment

USE AND INSTALLATION

This category covers fusible links intended for use in connection with automatic closing devices for doors and windows, and other automatic devices requiring fusible links. The response characteristics of these links may be either Standard Response or Quick Response. Links are Standard Response unless otherwise specified in the individual certifications.

These devices are intended for installation under load conditions within the ranges specified in the individual certifications.

TEMPERATURE RATINGS

Links are marked with the temperature ratings. The common temperature ratings of fusible links are as follows:

Temp
Class
Max
Ambient
Temp, °F
Temp
Rating, °F
Low 90 125-130
Ordinary 100 135-170
Intermediate 150 175-225
High 225 250-300
Extra High 300 325-375
Very Extra High 375 400-475
Ultra High 475 500-575

PRODUCT IDENTITY

One of the following product identities appears on the product:

    Fusible Link

    Heat-responsive Link

ADDITIONAL INFORMATION

For additional information, see Building Materials (AABM), Fire Resistance Ratings (BXRH) and Heating, Cooling, Ventilating and Cooking Equipment (AAHC).

REQUIREMENTS

The basic standard used to investigate products in this category is ANSI/UL 33, "Heat Responsive Links for Fire-Protection Service."

UL MARK

The Certification Mark of UL on the product, or the UL symbol on the product and the Certification Mark on the smallest unit container in which the product is packaged is the only method provided by UL to identify products manufactured under its Certification and Follow-Up Service. The Certification Mark for these products includes the UL symbol, the words "CERTIFIED" and "SAFETY," the geographic identifier(s), and a file number.

Alternate UL Mark

The Listing Mark of UL on the product, or the UL symbol on the product and the Listing Mark on the smallest unit container in which the product is packaged is the only method provided by UL to identify products manufactured under its Listing and Follow-Up Service. The Listing Mark for these products includes the UL symbol (as illustrated in the Introduction of this Directory) together with the word "LISTED," a control number, and the product name "Fusible Link" or "Heat Responsive Link."

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UL, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility of the manufacturer or any other party. UL shall not incur any obligation or liability for any loss, expense or damages, including incidental or consequential damages, arising out of or in connection with the use, interpretation of, or reliance upon this Guide Information.

Heat-responsive LinksLinks, FusibleLinks, Heat Responsive
Last Updated on 2013-05-16
JGIX.GuideInfo JGIX Active 20130516 20030422

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