Data Sheet for Product
Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as
design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective owners. © 2017
Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
USA
+1-847-215-1000
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Document No. 149-161P25
Printed in the USA
Page 3 of 3
Agency Approvals
UL
Smoke Control Equipment (UUKL)
Energy Management Equipment (PAZX)
ULC/ORD-C100-1992
Smoke Control Equipment
(UUKL7)
FCC
Part 15 Class A
EN50082-1
Residential, Commercial and Light Industry
OSHPD Seismic Certification
Product meets OSHPD Special Seismic Preapproval
certification (OSH-0217-10) under California Building Code
2010 (CBC2010) and International Building Code 2009
(IBC2009) when installed within the following Siemens
enclosure part numbers: PXA-ENC18, XAENC19, or PXA-
ENC34.
Product Ordering Information
Description
Product Number
Trunk Isolator/Extender, 115 Volt
538-955
Trunk Isolator/Extender, 230 Volt
538-960