P74FA-1C | Johnson Controls | Pressure Components

Relay Type: SPDT, Red-C-->Yel-N.O. @SP Pressure rise

P74(EA,FA): SPDT, Floating, C (red)-->NO (Yellow) on Prsr increase

Relay Rating:

P74EA: Copper snap acting contacts, 16 A @ 120 VAC

P74FA: Copper snap acting contacts, 6 A @ 120 VAC

P74JA: Floating copper contacts, 1A @ 24 VAC

5 A resistive, 3 A inductive @ 30 VDC

Setpoint: External Adjustment Wheel

P74(FA,JA): 8 to 60 psid (50 to 400 kPa)

P74EA 2: to 30 psid (14 to 207 kPa)

Differential:

P74FA: Fixed 1.5 psid (10 kPa)

P74EA: Fixed 3.5 psid (24 kPa)

P74JA: Fixed 2.5 psid (17 kPa)

Repeatability: ±1% over full range

Reset: Automatic reset by differential

Visual Indication: Internal setpoint plate

Sensor Type: Brass bellows diaphragm

Operating Pressure Range:

P74(FA, A): 8 to 60 psid (50 to 400 kPa)

P74EA: 2 to 30 psid (14 to 207 kPa)

Overpressure: (Burst) 180 psid (1241 kPa)

Max Operating Pressure: (Proof) 120 psid (830 kPa)

Operating Temperature: 32° to 104°F (0° to 40°C)

Operating Humidity: 10 to 90% Non-condensing

Wetted Parts: Brass

Media Compatibility: Water, Glycol, Oil and Inert dry air

Process Connection: 1/4" FNPT or 1/4" flare fitting (See ordering)

Wiring Terminations: 3 Screw terminals, 16 AWG max (Red=Com-1, Yel=NO-2, Blu=NC-3)

Mounting: 2 holes 0.20" dia, and supplied bracket

Enclosure Rating: NEMA 1, Steel and baked enamel

Dimensions: 3.98"W x 6.5"H x 2.1"D, (10.1 x 16.5 x 5.3 cm)

Weight: 2.4 lb (1.1 Kg)

Warranty: 1 year