Viair 400H Heavy Duty Air Compressor - Hardmount design (Duty Cycle 33% @ 100 psi)

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Brand: Viair
Part Number: 40042

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Description

The 400H is a hardmount compressor that pumps a massive 2.54 CFM flow at zero PSI head pressure. Features include a standard stainless steel braided leader hose with a 1/4" quick connect stud for easy attachment to a coil hose, removable & replaceable dual filtration air filter element, insulated wiring for simple installation and a heavy duty ON/Off switch for ease of operation.

Features

12-VOLT
Designed for direct inflation
Hardmount design with ON/OFF switch
1/4" 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:	9" L x 4" W x 7" 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

31" x 10.5" Tire	Fill Rate
0 to 30 PSI	2 min 28 sec
15 to 30 PSI	1 min 25 sec

33" x 12.5" Tire	Fill Rate
0 to 30 PSI	4 min 00 sec
15 to 30 PSI	2 min 00 seconds

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.