Safety relays

The right safety relay for any application

The wide range of safety solutions from SICK – from a single-channel emergency stop pushbutton to a safety laser scanner with PNP outputs – can be connected to safety relays. Safety relays are ideal for flexible and cost-effective machine integration. The extensive portfolio of safety products from SICK offers the right solution for virtually any application.

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Result 1 - 6 out of 6

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Rely on safety relays from SICK
  • Safety relays for monitoring ESPE and safety switches
  • Up to PL e (EN ISO 13849), SIL3 (IEC 61508)
  • Up to 4 safety outputs and short response times
  • Slim, user-friendly housing
  • Plug-in terminals
  • Diagnostics via status LEDs and application diagnostic outputs
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Standstill monitoring without additional sensors
  • Standstill monitoring by means of residual voltage measurement
  • 3 normally open and 1 normally closed positively guided safety contacts
  • 2 application diagnostic outputs for semiconductors
  • 1 application diagnostic output normally open
  • PL e (EN ISO 13849), SIL3 (IEC 61508), SILCL 3 (EN 62061)
  • Maximum motor supply voltage 690 V
  • Adjustable voltage threshold and standstill period
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Optimal safety protection in maintenance mode
  • Zero-speed and drive monitoring
  • 4 safe semiconductor outputs
  • PL e (EN ISO 13849), SIL3 (IEC 61508), SILCL3 (EN 62061)
  • Maximum input frequency of 2 kHz
  • Adjustable monitoring limit/monitoring frequency from 0.1 to 9.9 Hz or 0.5 to 99 Hz
  • 2 application diagnostic outputs for failure and status display
  • Diagnostic LEDs
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Muting switching amplifier for M4000 Advanced
  • Connection of 2 to 4 muting sensors, external muting lamp, reset and override control switch, belt stop signal
  • Functions: Concurrence monitoring, monitoring of the total muting time, sensor gap monitoring, sensor testing, partial blanking, end of muting via the ESPE, integrated override
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Functionality upgrade for C4000
  • C4000 Standard: Bypass, operating mode switching, PSDI
  • C4000 Advanced: Bypass, operating mode switching, PSDI
  • C4000 Fusion: Bypass, operating mode switching
  • C4000 Palletizer: Bypass, operating mode switching
  • C4000 Entry/Exit: Bypass, operating mode switching
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Evaluation unit for L4000 Systems single-beam photoelectric safety switches
  • Restart interlock
  • External device monitoring (EDM)
  • Cascading single-beam photoelectric safety switches
  • Fast response time
  • Slim housing
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Result 1 - 6 out of 6