Polarised, monostable safety relays, with force guided contacts in accordance with ZH1/457 Safety relays used in machines, apparatus or installations having to meet special safety requirements (presses, combustion, railway, medical) must switch reliably. Basic requirement that the electrical circuit must be opened despite welding of a contact Diagrams show relays in break position Operating temperature range: -40 to +70°C Switching Voltage 400 V; Current 6 A
