904

WIKA GERMANY Type 904

Special features

• 904.28 for 1 inductive contact, output: 1 x SPDT
• 904.29 for 2 inductive contacts, output: 2 x SPDT
• 904.30 for 1 inductive contact, safety equipment (SN or S1N), output:1 x fail-safe relay output; 1 x serially switched output; 1 x passive electronic output
• Type of protection: EEx-ia IIc
• Electrical ratings: AC 250 V / 2 A / 500 VA (1 A for typ 904.30)
• On delay and drop out delay: 20 ms
• Ambient temperature: -20 ... +60 °C
• Ingress protection IP 20
• Control units with DC 20 ... 30 V power supply
  • Model 904.31 - 1 relay output
  • Model 904.32 - 2 relay output
  • Model 904.33 - 1 fail-safe relay output