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The surge protection magazines of series MTH and MTL are fitted with high quality gas discharge tubes. The are avaibable in variations of 90 V ac and 230 V ac executions. They are designed specially for HVT 71 application of Siemens main distribution in telecom and datat line systems. The integrated fail-safe behaviour protects against dangerous ac influences.
  • Fitted magazines for HVT 71
  • Magazines are fitted with 10 gas-filled surge arrester (GDT) each
  • Stable performance, long service life
  • For 5 double lines
Nominal DC sparkover voltage at 100 V/sUagN 90 V=
Tolerance of VsdcN ± 20 %
Impulse sparkover voltage typ. at 100 V/µsUas < 450 V=
Impulse sparkover voltage typ. at 1 kV/µsUas < 550 V=
Nominal impulse discharge current (8/20) GDT/magazineIn 20/5 kA
25/7,5
Nominal alternating discharge current (50 Hz) 5 A/s
Alternating discharge current 9 cycles, 50Hz Iwn 100 A
Glow voltage (average at 10 mA)Ugl 60 V
Arc - voltage at 1 AUbo 15 V
Additional Information
Max. operating currentIL 2 A
Insulation resistanceRisol > 10 GΩ
Capacitance at 1 MHzC < 1,5 pF
Climatic category / Relative humidity (DIN IEC 60068-1) 40/90/21, 10%...95% rh
Operating temperature rangeTU -40 - +90 °C
Dimensions (L x W x H) 95,8 x 48,6 x 9 mm

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