E. Dold & Söhne GmbH & Co. KG

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E-Mail: dold-relays@dold.com

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LH 5946

Standstill monitor

LH 5946

Contacts

Time range

Auxiliary voltage

Response value

Terminal type

Approval

Variant

  • 0059266
  • LH5946.48/61 20-400mV UH DC24V
Safe standstill detection on 3- and single-phase motors, e.g. to enable gate interlocks on... more

Product description

Safe standstill detection on 3- and single-phase motors, e.g. to enable gate interlocks on machine tools or to activate hold in brakes.

Technical specifications

Width: 45 mm
Classification: Sensorless
Cat. / PL acc. to EN ISO 13849-1: 4/e
SIL CL acc. to IEC/EN 62061: 3
Nominal voltage: AC, DC
Thermal current Ith max.: 5 A
1- / 2-channel: 2
Connection: Screw terminals, Pluggable screw terminals, Pluggable cage clamp terminals
Indicator contacts: 2 hl, 1 s
Measuring motor voltage max.: 690 V
Approvals: UL
Forcibly guided output contacts max.: 1 ö, 3 s
Type: LH 5946

Advantages

  • Without sensor and safe
  • Fast reaction time
  • Easy to retrofit
  • Combined with Interlock SAFEMASTER STS

Features

  • According to
    - Performance Level (PL) e and category 4 to EN ISO 13849-1
    - SIL-Claimed Level (SIL CL) 3 to IEC/EN 62061
    - Safety Integrity Level (SIL) 3 to IEC/EN 61508, IEC/EN 61511
    and EN 61800-5-2
  • Safe standstill detection on 3- and single-phase motors
  • No external sensors necessary
  • Independent of direction
  • Broken wire detection
  • Forcibly guided safety contacts: 3 NO contacts, 1 NC contact for AC 250 V
  • 2 semiconductor monitoring outputs
  • 1 monitoring output (NO contact)
  • Adjustable voltage setting
  • Adjustable standstill time delay
  • LED indicators for standstill, event of line breakage and operation voltage
  • Suitable for operation with inverters
  • Width 45 mm