Bently Nevada 125712-01 Spare 4-Channel Relay Module

The 125712-01 3500/32 4-Channel Relay Module is a full-height module designed to provide four relay outputs for system control. Each relay output can be independently programmed for voting logic, allowing flexible control of machinery protection systems. The module can be installed in any slot to the right of the Rack Interface Module within the 3500 rack system.

Key Specifications

• Power Consumption: 6 watts (typical).
• Outputs:
  • OK LED: Indicates proper module function.
  • TX/RX LED: Indicates communication status with other rack modules.
  • CH ALARM LED: Illuminated when a relay channel enters an alarm state.
• Relays:
  • Type: Two single-pole, double-throw (SPDT) relays in a double-pole, double-throw (DPDT) configuration.
  • Arc Suppressor: 250 Vrms, installed as standard.
  • Contact Life: 100,000 cycles at 5 A, 24 Vdc or 120 Vac.
  • Operation: Each channel is switch-selectable for Normally De-energized or Normally Energized mode.

Environmental Specifications

• Operating Temperature: -30 °C to +65 °C (-22 °F to +150 °F).
• Storage Temperature: -40 °C to +85 °C (-40 °F to +185 °F).
• Humidity: 95%, non-condensing.

Physical Dimensions

• Dimensions (Height x Width x Depth): 241 mm x 24.4 mm x 242 mm (9.50 in x 0.96 in x 9.52 in).
• Weight: 0.7 kg (1.6 lb).

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