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System Sensor EOLR-1 Power Supervision Relay

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EOLR-1 Power Supervision Relay

System Sensor EOLR-1System Sensor EOLR-1 Power supervision eol. Red connects to Power input +. Black connects to Power input −. Violet connects to Common. Violet connects to Normally open.System Sensor EOLR-1Power supervision eolPowerRedPower input +BlackPower input −RelayVioletCommonVioletNormally open
System Sensor EOLR-1 Power supervision eol. Red connects to Power input +. Black connects to Power input −. Violet connects to Common. Violet connects to Normally open.

Terminals Flag

TerminalGroupFunctionConnects to
Red Power Power input + Flag
Black Power Power input − Flag
Violet Relay Common Flag
Violet Relay Normally open Flag

Key specs

Voltage9–40 VDC (9–35 Vrms unfiltered FWR)
Current20 mA max
Contacts0.5 A @120 VAC, 3 A @30 VDC resistive
FormSPST normally open
Leads8 in min

Used as an end-of-line device in fire alarm systems, e.g. to supervise power supplies

Four wire nuts included

How to wire it

  1. Connect Red to Power input +.
  2. Connect Black to Power input −.
  3. Connect Violet to Common.
  4. Connect Violet to Normally open.

Source

EOLR-1 End of Line Supervision Relay · I56-2185-004 rev 004

Values from I56-2185-004 rev 004.

Verify against the manufacturer's install guide.

Open in builder

Planning aid only. Values are typical and vary by manufacturer, code edition and jurisdiction. Verify with manufacturer data, NEC/NFPA/TIA and the local AHJ. HireLV is not liable for designs based on these tools.