Electric / Pneumatic Relay, Surface Mount
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Honeywell RP418A1107 and RP818 Electric/Pneumatic Relay:
Electrically operated pneumatic switches used to interlock an electrical system and a pneumatic control system.
Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.
Usable as a diverting relay, a selector relay, or a stop and bleed relay.
Mount and operate in any position.
Available with lead wires or junction box.
Line or low voltage models available.
Type Electric / Pneumatic Relay.
Operation De-energized: ports 2 and 3 connected, port 1 blocked, Energized: ports 1 and 3 connected, port 2 blocked.
Airflow Usage 0.42 scfm (200 mL/s) at 20 psi (138 kPa) supply with 1 psi (7 kPa) pressure drop.
Capacity (Cv) 0.075 Cv minimum.
Air connections Barb for 1/4 in. (6 mm) plastic tubing.
Dimensions (in) 2 7/8 in. high, 3 13/16 in. wide, 1 1/4 in. deep.
Dimensions (mm) 73 mm high, 97 mm wide, 32 mm deep.
Electrical Connections Junction Box and 15 in. (380 mm) leads.
Frequency (Hz) 60 Hz.
Maximum Operating Pressure (kPa) 340 kPa.
Maximum Operating Pressure (psi) 50 psi.
Mounting Type Surface.
Temperature range (C) -18 to 38 C.
Temperature range (F) 0 to 100 F.
Description Electric / Pneumatic Relay, Surface Mount Approvals, Underwriters Laboratories Inc. Component Recognized File: MP1502, Vol. 11, Sec. 1, Listed: Guide Y10Z.
Voltage (Vac) 120 Vac.
Approvals, Canadian Underwriters Laboratories Listed: File No. LR50900.
Humidity Ratings (% RH) 5 to 95% RH