Surge-Trap® STET23

Surge-Trap® STET23

Surge-Trap® STET23

Product catalog summary
Overview: The Surge-Trap® Monobloc STET23 Series is a surge protection device designed for power lines, featuring a 20kA discharge capacity and an integrated EMI filter. It is compliant with IEC Type 2+3/Class II+III standards, suitable for installations with electromagnetic disturbances.
Specifications:
  • Maximum discharge current: 20kA (8/20μs)
  • Nominal discharge current: 10kA (8/20μs)
  • Combined voltage pulse: 6kV (1.2/50μs)
  • Filter attenuation: up to 82dB (common mode)
  • Rated current load: 20A
  • Applicable for single-phase TT and TNS networks
  • Voltage ratings: 120V, 230V
  • Mounting: DIN-rail, monobloc format
  • Indicators: Visual (LED) and remote end of life, power status (LED)
  • Back-up fuse: 20 A gG
Applications: Suitable for industry and automation, commercial and residential installations, telecom, IT, data centers, and water treatment facilities.
Standards: Complies with IEC 61643-11 and EN 61643-11.
Technical Data:
  • Class: Type 2+3 / Class II+III
  • Voltage ratings (Un): 120V, 230V
  • Maximum discharge current (Imax): 20 kA
  • Nominal discharge current (In): 10 kA
  • Combined discharge voltage (Uoc): 6 kV
  • Body Material: PC+GF; V-0
  • Number of Poles: 2
  • Short-circuit current (Icc): 10 kA
  • Rated current load (IL): 20 A
  • Response Time: 25 ns
  • EMI filter common mode: < 82 dB
  • EMI filter differential mode: < 74 dB
Product Range: The series includes models for different voltage ratings with remote monitoring capabilities:
  • STET23-20K150V-SPM: 120 VAC, 150 V, ≤ 0.8 kV
  • STET23-20K275V-SPM: 230 VAC, 275 V, ≤ 1.2 kV
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Catalog excerpts

Surge-Trap® STET23-1

Surge-Trap® Monobloc STET23 Series - 20kA with EMI Filter SURGE PROTECTION FOR POWER LINES DIN-RAIL IEC TYPE 2+3 / CLASS II + III FEATURES & BENEFITS • Maximum discharge current (8/20ps): 20kA • Nominal discharge current (8/20ps): 10kA • Combined voltage pulse (1.2/50ps): 6kV • Filter attenuation up to 82dB (common mode) • Rated current load (IL): 20A • Single phase TT and TNS networks • Un: 120V, 230V • DIN-rail mountable, monobloc format • Visual (LED) and remote end of life indicators • Power status (LED) indicator • Back-up fuse: 20 A gG APPLICATIONS STE T23 20 is the series of combined Type 2+3/Class II+IN devices for discharging voltage surges while providing a very fine voltage protection level, in accordance with EN/IEC 61643-11. Complete with a built-in powerful EMI filter. Suitable as the final stage of protection in installations with electromagnetic disturbances which might interrupt, degrade or limit system performance. Series connection for applications up to 20A rated current. • Industry and automation • Commercial and residential installations • Telecom & IT & Data Centers • Water treatment STANDARDS • IEC 61643-11 • EN 61643-11 Surge Protection for Power Lines / DS-SPDPT2320EMI-06-0519_EN MeR5eisl Expertise, our source of energy W

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Surge-Trap® STET23-2

2 Poles Catalog number Surge Protection for Power Lines / DS-SPDPT2320EMI-06-0519_EN MeR5eisl Expertise, our source of energy W

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