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Miniature Panel Mounted Timer (Up to 5 minutes)Item # 51020-03

The Mini-timer is an adjustable panel mounted time delay device (normally closed valve). Timing is set by adjusting the front dial. The timer is equipped with 2 vertical scales that indicate the set time and the time remaining in the cycle (countdown time).

To begin the timing operation, air pressure is applied to port one. When the set time is reached the internal valve is switched over to provide an output at port 2. The valve remains open until the input air is switched off. Removing the air supply at any time resets the timer.

The mini timer is constructed of a molded body with a clear plastic lens for viewing the scales. Ports, 10-32 (M5) are located on the rear of the unit. The timer is panel mounted with a built in retaining clip.
Item #51020-03
Description2 to 30 sec.
Operating Pressure Range30 to 90 psi
Connections10-32 (M5)
MediaFiltered
Dry Air
Non-lubricated
Operating Valve3 way (NC) - internal exhaust
Orifice size - 1 mm
Cv -0.2
Flow at 90 psi - 1.5 CFM
Timing StartApplication of line pressure to port 1
ResetBy removal line pressure
Reset Time200 ms.
Repeatability± 0.3 Sec.
Time SettingVia Adjustment Knob
Setting Accuracy± 0.6 Sec.
MaterialsMolded Housing
Operating Ambient0 to +60 C
32 to 140 F
Width15/16 in.
Height1 7/8 in.
Depth2 3/4 in.
Panel Cut Out25/32 in. W x 1 25/32 in. H
MountingRetaining Clip
  • Rear Mounting
    Rear Mounting