Viair 280C "Dual" Onboard Air Systems - (Duty Cycle 30% @ 100 psi)

The Viair 280C Dual Onboard Air System is a pre-packaged compressor that provides two 280C, 30% duty cycle compressors, a 2.5 gallon air tank, inline pressure regulation, and all of the other fundamental parts needed to install this working system capable of managing air locking differentials, inflating up to 35" tires, and even more.

The 280C Dual Onboard Air System is a continuous duty cycle compressor. Rated to 150 PSI maximum working pressure, it is the compressor of choice for many mobile pneumatic applications.

Features and Benefits

• 2.5 Gallon 150 PSI Viair Air Tank
• (2) 280C Viair Compressors
• 30 ft. Coil Hose with Quick Connects
• Tire Inflation Gun with 200 PSI Gauge
• 0-220 PSI Pressure Regulator
• Sealed Pressure Switch (110 PSI on, 145 PSI off)
• High Performance PTFE Piston Ring
• 150 PSI Illuminated Dash Panel Gauge
• (2) 40-amp Relays
• Inline Fuse Holder
• 1/4" Quick Connect Coupler (M)
• 1/4" 175 PSI Safety Valve
• 1/4" Drain Cock
• (2) 1/8" BSP to 1/4" NPT
• (4) 1/4" Compression Fittings
• 5 Pc. 1/4" NPT Plugs Kit
• 6-Port Billet Manifold with Mounting Bracket (1/4")
• (2) 15 ft. 1/4" Air Line Included
• Electrical Connections

Voltage:	12-Volt
Duty Cycle:	30% @ 100 PSI
Max Working Pressure:	150 PSI
Max Amp Draw:	33 Amps each
Min. Ambient Temp:	-40 degrees F
Max. Ambient Temp::	158 degrees F

2.5 Gallon Tank	Fill Rate
0 to 105 PSI	1 min 06 sec
85 to 105 PSI	16 sec
0 to 145 PSI	1 min 44 sec
110 to 145 PSI	31 sec

33" x 12.5"	Fill Rate
0 to 30 PSI	4 min 10 sec
15 to 30 PSI	1 min. 50 sec

35" x 15.5"	Fill Rate
0 to 30 PSI	5 min 02 sec
15 to 30 PSI	2 min. 15 sec

PSI	CFM	A
0	2.96	21
10	2.78	24
20	2.58	26
30	2.38	28
40	2.27	29
50	2.13	31
60	1.97	31
70	1.88	32
80	1.74	32
90	1.62	32
100	1.56	32
110	1.46	32
120	1.37	32
130	1.29	32
140	1.23	32
150	1.16	32

PSI = Pounds per squre inch - A measure of air pressure generated by an air compressor. CFM = Cubic feet per minute - Volume of air produced by the air compressor at a given pressure or PSI. A = Amps - A measure of the amount of electrical current used.

Voltage:	12-Volt
Duty Cycle:	30% @ 100 PSI
Max Working Pressure:	150 PSI
Max Amp Draw:	33 Amps each
Min. Ambient Temp:	-40 degrees F
Max. Ambient Temp::	158 degrees F

2.5 Gallon Tank	Fill Rate
0 to 105 PSI	1 min 06 sec
85 to 105 PSI	16 sec
0 to 145 PSI	1 min 44 sec
110 to 145 PSI	31 sec

33" x 12.5"	Fill Rate
0 to 30 PSI	4 min 10 sec
15 to 30 PSI	1 min. 50 sec

35" x 15.5"	Fill Rate
0 to 30 PSI	5 min 02 sec
15 to 30 PSI	2 min. 15 sec

PSI	CFM	A
0	2.96	21
10	2.78	24
20	2.58	26
30	2.38	28
40	2.27	29
50	2.13	31
60	1.97	31
70	1.88	32
80	1.74	32
90	1.62	32
100	1.56	32
110	1.46	32
120	1.37	32
130	1.29	32
140	1.23	32
150	1.16	32

PSI = Pounds per squre inch - A measure of air pressure generated by an air compressor. CFM = Cubic feet per minute - Volume of air produced by the air compressor at a given pressure or PSI. A = Amps - A measure of the amount of electrical current used.

Download Instructions:

20011 Instructions

Weight:	15 lbs.
Universal Fit Product:	May not fit all vehicles, please contact us if you have questions about fitment