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UL 1449-3 & 2008 NEC Art 285 Summary: • UL 1449 3 rd Edition new standard for SPDs • Effective Sept 29, 2009 • New SPD Types: Types 1, 2, 3 & 4 • Performance tested - Voltage Protection Ratings (VPRs) • New I nominal ratings • Need 20kA In for UL 96A Master Label • We suggest using Type 1’s because they definitely include OCP such that you do not have to add on your own • Verify at www.UL.com under CCN VZCA • 2008 NEC Article 285 for SPDs • Need appropriate SCCR per 2008 NEC Art 285 Copyright © 2009 Advanced Protection Technologies (800) 237-4567 14
Simplifying Suggestions: (Why? on next slides) • Select UL Listed SPD having ‘UL Mark’ • Select SPD with 20kA In rating • Select high Short Circuit Current Rating (SCCR) • Select low Voltage Protection Ratings (VPRs) • Select Type 1 SPD • Ensure short leads • This does not have to be costly! (There are basic SPD’s meeting this) Copyright © 2009 Advanced Protection Technologies (800) 237-4567 15
Page 1 and 2: Advanced Protection Technologies Pr
Page 3 and 4: Advanced Protection Technologies (A
Page 5 and 6: UL 1449 THIRD Edition Combines TVSS
Page 7 and 8: UL 1449-3 & 2008 NEC Art 285 Surge
Page 9 and 10: UL 1449-3 & 2008 NEC Art 285 • Ch
Page 11 and 12: UL 1449-3 Performance Test Format C
Page 13: 2008 NEC Art 285 Copyright © 2009
Page 17 and 18: Suggestions & Why (3 of 3): • Sel
Page 19 and 20: APT Here to Help: (800) 237-4567
Page 21 and 22: What Is a Surge/Transient? • High
Page 23 and 24: Metal Oxide Varistor - MOV SPD Buil
Page 25 and 26: SPD Connector Leads • Need short
Page 27 and 28: SPD Terminology • Surge Current -
Page 29 and 30: MOV/SPD Failures • MOVs are Varia
Page 31 and 32: UL 1449 Performance Rating: • Pre
Page 33 and 34: 2008 NEC - Key Points SCCR labeling
Page 35 and 36: Grounding/Bonding TVSS/SPDs • Bet

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