Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
BH 5933

Two-hand safety relay

BH 5933


Nominal voltage

Approvals and Markings


  • 0050072
  • BH5933.48/61 AC24V 50/60HZ
The BG 5933 or BH 5933 enables and disables a safety circuit in a safe way. It is used to... more

Product description

The BG 5933 or BH 5933 enables and disables a safety circuit in a safe way. It is used to protect people and machines in applications with 2-hand buttons on presses for metal products as well as for other production machinery with dangerous closing movements.

Technical specifications

Width: 45 mm
Cat. / PL acc. to EN ISO 13849-1: 4/e
SIL CL acc. to IEC/EN 62061: 3
Safety integrity level according to EN 574: lll C
Nominal voltage: AC, DC
Thermal current Ith max.: 5 A
Connection: Pluggable screw terminals
Output contacts max.: 1 NC contact, 3 NO contacts
Approvals: UL
Type: BH 5933


  • Compact, ready to connect 2-hand safety circuit
  • Cost reduction by replacing conventional contactor circuits
  • Feedback circuit Y1 - Y2 to monitor external contactors used for reinforcement of contacts
  • EC-type examinated circuit according to the requirements of the health and safety authorities


  • According to
    - Performance Level (PL) e and category 4 to EN ISO 13849-1
    - SIL Claimed Level (maximum SIL) 3 to EN IEC 62061
    - Safety Integrity Level (SIL) 3 to EN 61508
    - Safety Level Typ III C according to EN ISO 13851
    - the safety regulations for two-hand controls on power-operated presses in metalworking ZH 1-456
  • Inputs for 2 push buttons with 1 NC and 1 NO contact
  • Output: 2 NO contacts, 1 NC contact or 3 NO contacts, 1 NC contact
  • Overvoltage and short circuit protection
  • 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
  • BG 5933: Width 22.5 mm
    BH 5933: Width 45 mm