Catalog > SIEMENS 3RH1140-1BB40 40E Control Relay ...

Verified: January 13, 2026

SIEMENS 3RH1140-1BB40 40E Control Relay 3RH11401BB40 PLC Module DC 24V #

~$30.32

The SIEMENS 3RH1140-1BB40 is a control relay used in PLC modules for industrial automation systems, operating on DC 24V.

Key Specifications

  • Voltage: 24 VDC
  • Contacts: 4 Normally Open (NO)
  • Mounting: DIN rail mount
  • Type: Control Relay
  • Coil Type: DC
  • Contact Rating: 10A
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