Type MTL7700 Series Safety Barriers .fw

MTL7700 Series
Safety Barriers

For weighing applications

  • DIN rail mounting
  • Removable terminals
  • Electronic fusing
  • Direct replacement for MTL700 series barriers
TECHNICAL SUPPORT
SALES
1530 5

All MTL7700 Series barriers are based on the same simple principle. Each channel contains two stages of pulse-tested Zener or forward connected diodes and an ‘infallible’ terminating resistor. In the event of an electrical fault in the safe area, the diodes limit the voltage that can reach the hazardous area and the resistor limits the current. A fuse protects the diodes, and the two stages of voltage limitation ensure continued safety if either stage should fail. No active output current limiting circuits are employed. All models are certified ‘ia’ for all zones and ‘IIC’ for all explosive atmospheres (except MTL7707P+ and MTL7729P+, ‘ia’ ‘IIB’).

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