Load isolator with interlock

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Power Interlocking of the SAFEMASTER STS family enables the simple integration of a load-break switch into the safety switch and key transfer system. It enables the direct separation and safety-related interlocking of the power supply of machines and systems. The safety system thus reliably protects persons entering the hazardous area.

Power Interlocking ZRH01SLPR40

Advantages

  • EC Type test certificate according to the Machinery Directive 2006/42/EC, Annex IX
  • For safety applications up to PLe/Category 4 according to EN ISO 13849-1
  • Coding level low, medium and high according to DIN EN ISO 14119:2014-03
  • It is ensured that the main switch is turned off before a machine can be entered.
  • Machine is securely disconnected from mains with load isolation and secured against reclosure, e.g. during repair work.
  • Secure locking even if auxiliary and control circuits fail
  • The load isolator can be operated at all times with all versions to trigger an emergency stop (Stop 0)
  • When using frequency converters with STO (Safe Torque Off) contactors are not required

Features

  • Up to Performance Level (PL) e and Category 4 according to EN ISO 13849-1
  • Emergency-off or zone stop
  • High switching capacity, currents from 25 A to 800 A (AC23)

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