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Honeywell R4795 Pre-Purge Timer

Honeywell
Pre-Purge Timer
R4795

Provide solid state, electronic flame safeguard protection for commercial and industrial single or dual fuel burners.

• Use with rectification or ultraviolet type flame detectors depending on the interchangeable, plug-in amplifier being used.
• Recycle after flame failure in attempt to re-establish pilot before lockout.
• Include manual push-to-reset safety switch in a dust-resistant enclosure.
• Includes SPDT alarm contacts.

Select a link under the "item" tab below to order.

ItemVoltageAlarm Relay SwitchingPurging TimeSafety Switch TimingDescriptionIncludes
R4795A1016120 VacSPDTDetermined by Plug -in Purge Timer15 sec nominal120V 50/60 HZ less Amplifier and Prepurge TimerFemale quick connects
R4795A1040220 VacSPDTDetermined by Plug -in Purge Timer15 sec nominal220V 50/60 HZ less Amplifier and Prepurge TimerFemale quick connects
Application: Primary Control
Dimensions, Approximate: 5 in. high x 5 in. wide x 4 3/4 in. deep (including subbase); (127 mm high x 127 mm wide x 121 mm deep)
Electrical Connections: Alarm contacts: male quick connect terminals.
Frequency: 50 Hz; 60 Hz
Temperature Range: -20 F to +105 F @50 Hz (-29 C to +40 C @ 50 Hz)
-20 F to +115 F @ 60 Hz (-29 C to +46 C @ 60 Hz)
Approvals:
Canadian Standards Association: CSA Certified: 120V models only, includes -40 F models-File No. LR1620
Factory Mutual: Approved: Report No. 18774
Underwriters Laboratories Inc. UL Listed:120V with 30, 60, 90 sec
prepurge timers, includes -40 F models-File No.MP268, Guide No. MCCZ; UL Comp. Recg.:120V with 7, 10 sec prepurge timers, includes -40 F models-File No.MP268, Guide No.MCCZ2
Required Components: Mounting Base: Q270A1024; Plug-in
Amplifier: R7289A1004, R7289A1012, R7290A1001, R7290A1019;
Plug-in Purge Timer: ST71A1000 (7 sec), ST71A1042 (10 sec),
ST71A1018 (30 sec), ST71A1026 (60 sec), ST71A1034 (90 sec)