Product Catalogue Sheets

Warrantee Policy

For individual product warrantee information, please see products

Contact Information

2601 Spenwick Dr
Houston, TX 77055
(713) 263-8001 or 800-231-3345
FAX (713) 263-7577 or 800-441-0051
Email: General Info     Webmaster

Product Instructions

MSDS Sheets


Underwriters Laboratories, Inc. Listing Information

Safe-T-Switch® Models SS1, SS2 and SS3 are Listed to UL 508 by UL® under Motor Controllers and rated at 24 volts AC, 1.25 Amps GP (6000 cycles – inductive load). Separately, the component reed is Recognized by UL® @ 2.5 Amps Max. Carry Current. The UL® File # for Safe-T-Switch® Models SS1, SS2 and SS3 is #E209344.

Click the UL® logo below for “Pink Sheet” (to confirm listing information).


UL is not affiliated with SMD Research, Inc. and does not endorse this Web site.

City of Los Angeles Approval Information

Safe-T-Switch® Models SS1, SS2 and SS3 and Safe-T-Probe® Models SP1P and SP1A have been tested by and carry General Approval No. RR-5562 with the City of Los Angeles, Department of Building and Safety.

Engineering Submittal Sheets

Product Endorsements

Patterson, Baum & Associates, Inc.: Safe-T-Switch Model SS1 & SS2 on Horizontal Air Handler w/ Drawings – October 31, 2001

Residential Inspections of FL, Inc.: Nu Line Testimonial – January 29, 1997