Dold Italia S.r.l.

Via Privata Passo Pordoi, 5
20139 Milano
Italia
BH 5903

Emergency stop module with voltage failure detection

BH 5903

Contacts

Nominal voltage

Approvals and Markings

Variant

  • 0053089
  • BH5903.03/00000/61 DC24V
For plants, that should start automatically at return of voltage after phase failure. E.g.... altro

Descrizione del prodotto

For plants, that should start automatically at return of voltage after phase failure. E.g. Compressor plants, water and sewage water plants.

Specifiche tecniche

Width: 45 mm
Cat. / PL acc. to EN ISO 13849-1: 4/e
SIL CL acc. to IEC/EN 62061: 3
Nominal voltage: DC
Thermal current Ith max.: 5 A
1- / 2-channel: 1, 2
Cross fault detection: Yes
Connection: Pluggable screw terminals
Output contacts max.: 3 NO contacts
Approvals: UL
Type: BH 5903

Merkmale

  • 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
  • E-stop with latching function
  • Automatic start when voltage returns after phase failure when no E-Stop was operated before phase failure.
  • Reset after E-stop with push button
  • Output max. 3 NO contacts, see contacts
  • B_ 5903._ _ /00000: 1 E-stop loop 2-channel operated
  • B_ 5903._ _ /00020: 2 E-stop loops single channel operated
  • Cross fault monitoring
  • Feedback loop for external contact reinforcement
  • Short circuit and broken wire detection on all inputs
  • LED indication for channel 1 and 2 and for diagnostics
  • Removable terminal strips
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled (isolated), DIN 46228-1/-2/-3/-4 or 2 x 2.5 mm2 stranded ferruled DIN 46228-1/-2/-3
  • BH 5903: width 45 mm
    BL 5903: width 90 mm