FERRAZ STXR120P05 XR T1 50kA 120V 1
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Manufacturer Mersen
Mfg Catalog # STXR120P05
North Coast Part # 1437244


  • Designed with the industry leading Mersen TPMOV® Technology
  • LED status indicator (ON = Good, OFF = Replace)
  • NEMA 4X enclosure for outdoor or indoor use
  • Fits 3/4" knockouts with 3' leads for easy installation
  • Optional mounting bracket for surface mount applications
  • Optional audible alarm and remote dry contacts
  • For use in ANSI/UL Type 1 or 2 SPD installations
  • Up to 10 modes of Protection (L-N, L-L, L-G optional, N-G optional)
  • 5-year warranty


  • ANSI/UL 1449 4th Edition, Type 1 SPD, File E210793
  • CSA C22.2, Type 1 SPD
  • ANSI/IEEE C62.41.1, C62.41.2, C62.45
  • UL96A Lightning Protection
  • RoHS Compliant


  • Frequency Hz: 50/60 Hz
  • Max Operating Temp: 85 °C
  • Max Storage Temp: 85 °C
  • Min Operating Temp: -40 °C
  • Min Storage Temp: -40 °C
  • Short Circuit Current Rating Sccr: 200 kA
  • Mcov L-G: 300 V
  • Mcov L-N: 150 V
  • Nominal Operating Volt Rating Un: 120 V
  • Vpr L-G: 1000 V
  • Vpr L-N: 600 V
  • Country Of Origin: MX
  • Product Line: Surge-Trap® Type 1 STXR Series SPD
  • Product Brand: Surge-Trap®
  • Installation Mounting: Panel Mount
  • Wire Connections: Pre-wired
  • Flammability Rating: UL94-5VA
  • Ul Spd Type: Type 1
  • Housing Material: Polycarbonate
  • Ac Or Dc: AC
  • Max Discharge Current Imax 8 20: 50 kA per phase
  • Nominal Discharge Current: 20 kA
  • Protection Modes: L-G, L-N
  • System Configuration: Single Phase


UPC 78200147427
Family Brand Name Mersen
Item Long Description The most popular range in the STX series offering, the Surge-Trap Type 1 STXR meets requirements for UL1449 4th Edition and is ideal for the replacement of obsolete surge arrestors. The STXR Series SPDs feature TPMOV technology inside, making them the safest product available. With a small, compact design and line or load installation flexibility, the STXR series is the perfect fit for branch panel and/or individual equipment protection.
GTiN 00782001474270
Length 3.25 in
Width 3.35 in
Applications Suitable for any Type 1 or 2 SPD application
Mounting Type Panel Mount
Height 3.35 in
Weight 1.5 lb
Pkg Qty 1
Housing Material Polycarbonate
TC Connection Pre-wired with 3 ft 12 AWG conductors
Indicator LED
Short Circuit Current Ratng 200000 A
Current Type AC
Max Discharge Current 50 kA
Nominal Discharge Current 20 kA
Voltage 120 Volt
Frequency 50 Hz
Country of Origin Mexico
Max Operating Temperature 85 C
Min Operating Temperature -40 C

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