Viair 420C Heavy Duty Air Compressor - Chrome (Duty Cycle 33% @ 100 psi)

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Brand: Viair
Part Number: VIA42042

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Description

The 420C features include a standard 3/8" stainless steel braided leader hose with inline check valve and insulated wiring for simple installation.

This "C" series compressor is turned on with a pressure switch (sold separately) installed in an air supply tank (sold separately). Supplied is a stainless steel leader hose with a threaded hose end that installs into an air supply tank. For direct inflation of tires or other inflatable objects via an air hose see the "H" series or Portable models of Viair air compressors.

Features

12-VOLT
Chrome Housing
Designed to be used with an air supply tank
3/8" Stainless Steel Braided Leader Hose included
Permanent Magnetic Motor
Sealed design - Moisture & Dust Resistant
Oil-less Design
High Performance PTFE Piston Ring
Stainless Steel Valves
Gearless Direct Drive Motor
Anodized Aluminum Alloy Cylinder
Automatic Reset Thermal Overload Protector
1 year manufacture warranty

Specs

Voltage:	12-Volt
Duty Cycle:	33% @ 100 PSI
Max Working Pressure:	150 PSI
Max Amp Draw:	26 Amps
Min. Ambient Temp:	-40 degrees F
Max. Ambient Temp::	158 degrees F
Dimensions:	10" L x 4.3" W x 6.5" H
Net Weight:	8 lbs.

Duty Cycle Reference Chart

Duty Cycle: 100 PSI @ 72F	Max. Run Time / Min. Rest Time
10% Duty Cycle	3 Min. On / 27 Min. Off
15% Duty Cycle	6 Min. On / 34 Min. Off
20% Duty Cycle	8 Min. On / 32 Min. Off
25% Duty Cycle	10 Min. On / 30 Min. Off
30% Duty Cycle	13 Min. On / 30 Min. Off
33% Duty Cycle	15 Min. On / 30 Min. Off
100% Duty Cycle	Continous Duty @ 100 PSI @ 72F

This compressor has a duty cycle of 33%

Note: Duty cycle refers to the amount of time a compressor can be operated in given time period at 100 PSI, at a standard ambient temperature of 72 degrees F. Duty cycle is commonly expressed in percentage format. The higher the percentage the longer run time. For more "frequently asked questions" on compressors see Viair FAQ Page.

Fill Rates

2.5 Gallon Tank	Fill Rate
0 to 105 PSI	1 min 27 sec
0 to 145 PSI	2 min 20 sec
85 to 105 PSI	17 sec
110 to 145 PSI	48 sec

5 Gallon Tank	Fill Rate
0 to 105 PSI	2 min 55 sec
0 to 145 PSI	4 min 50 seconds
85 to 105 PSI	35 sec
110 to 145 PSI	1 min 40 sec

Performance Data

PSI	CFM	A
0	2.54	16
10	2.26	18
20	2.12	21
30	1.94	22
40	1.84	23
50	1.70	24
60	1.62	25
70	1.55	25
80	1.48	26
90	1.41	26
100	1.27	26
110	1.20	26
120	1.09	26
130	0.95	25
140	0.85	25
150	0.71	25

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.