Introduction
Thank you for choosing the Siemens TPS3 09 Surge Protective Device (SPD). TPS3 09 is a high quality, high energy surge suppressor designed to protect sensitive equipment from damaging transient overvoltages. The TPS3 09 is parallel connected such that circuit ampacity is unlimited. Proper installation is important to maximize performance. Please follow steps outlined herein. These instructions are not intended to replace national or local codes. Follow all applicable electrical codes to ensure compliance.
Figure 1: SPD Types
2008 NEC Art 285 & UL 1449-3
SPD Types: Types 1, 2, 3, & 4
Based on Location within electrical distribution system
(also coincides with ANSI/IEEE C62.41.2 - 2002 Categories C, B &A)
VWARNING-Hazardous Voltage & Shock Hazard
•Only qualified licensed electricians should install or service SPDs
•SPDs should never be installed or serviced when energized or during electrical storms
•Use appropriate safety precautions including Personal Protection Equipment
•Failure to follow these instructions can result in death, serious injury, and/or equipment damage
•When used in outdoor applications, customer must seal the conduit nipple using watertight fittings (not included) to ensure a watertight connection
•Read this manual in entirety prior to installing
Industry Standards Changes - 2009
UL 1449 Third Edition and 2008 NEC® Article 285 generated substantial changes.
•The term TVSS changed to SPD
•Types 1, 2, 3 & 4 SPDs are created
•UL 1449 clamping voltage performance testing changed from 500A to 3,000A
•UL 1449 added new I nominal testing (In), which consists of more rigorous
The SPD Type category is important to understand before installing any SPD. Type 1 and 2 SPDs are fully UL Listed devices whereas Type 4 SPDs are UL Recognized devices.
Type 1 – Installed on line or load side of the Main Overcurrent Protection (OCP), similar to what you knew as SSA, except now includes rigorous safety testing. Includes all OCP & safety disconnectors inside the SPD
Type 2 – Installed on load side of the Main OCP, similar to what you know as hardwired SPD, and it may require external OCP.
Type 3 – Point of Utilization, direct plug in type devices, similar to what you know as surge strips. Theses devices are intended for installation 10 meters from the panel (rational based on IEEE Cat. A location).
Type 4 – Surge suppression components, could be a basic component or a complete module. Type 4 components can be tested for Type 1, Type 2 or Type 3 applications.
For further information, please review latest editions of NEC® Art. 285, UL 1449, contact your local Siemens sales office or contact Siemens TPS Tech Support at 1.888.333.3545.
The TPS3 09 is a Type 1 SPD. Type 1 SPDs are evaluated more rigorously by UL 1449 for 2008 NEC® Article 285 compliance. Type 1 SPDs and their connecting leads have been evaluated for line side applications without need for supplemental overcurrent protection. Type 1 SPDs include internal overcurrent protection. As a generalization, there are practical maintenance reasons for installing on the load side of the main overcurrent device (i.e. Type 2 installation). When connected on load side of main disconnect, a 30A circuit breaker is recommended due to 10 AWG conductors. The circuit breaker serves as a disconnecting device and provides NEC® imposed short circuit protection to the conductors in Type 2 or 4 applications.
Simplified Explanation of Operation
SPDs sense overvoltage and create a momentary short circuit to redirect harmful surge energy to earth ground. SPD’s are not a one time device. They reset automatically and wait for the next surge. SPDs are capable of repeating this function thousands of times.
Parts List and Inspection
Items included in the package consist of the following:
•1 TPS3 09 SPD including 3’ (1~m) conductors
•1 User’s Manual (this document)
If the Flush Mount Kit was ordered , additional parts are supplied as follows:
•1 Flush Mount Plate
•4 Mounting Screws