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Macromatic PTA1001MB Percentage Timer, 1 Min, 240V AC, No Memory

Macromatic Percentage Timer, 1 Min, 240V AC, No Memory
Macromatic PTA1001MB Percentage Timer, 1 Min, 240V AC, No Memory

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Our Price: $166.82
MFG: Macromatic
Weight (lbs): 0.14

Delivery Time: 5-10 Business Days
Product Code: PTA1001MB


The Macromatic PTA1001MB is a percentage timer. This panel mount timer relay has an input voltage of 240V AC with an output of 10A SPNO and a timer range of 1 minute. It is used for instances when the ON time when used a percentage of a total cycle time has to be adjustable. This timer is useful for applications such as irrigation, heating & cooling, motors, and chemical feeding. It has an integrated potentiometer for time delay adjustment. An LED indicator on top shows the relay status. Termination is possible with bare wire or crimp terminals. Mounting hardware included. Note: Image is an approximation. Actual part may differ.


  • Relay Function- Percentage Timer w/o Memory
  • Relay Timer Range- 1 Minute
  • Input Voltage- 240V AC
  • Output- 10A SPNO
  • Voltage Tolerance- +10/-15% of nominal at 50/60 Hz
  • Load- Max of 3 VA
  • Setting Accuracy- +/- 2%
  • Setting Precision- +/- 1% of total cycle time
  • Dial Resolution- Dial settings marked in 1% increments
  • Repeat Accuracy- +/- 0.1% or +/- 0.04 seconds, whichever is greater
  • Reset Time- 300ms
  • Start Up Time- 0.05 seconds
  • Operating Temperature- -28 C to 65 C (-18 F to 149 F)
  • Storage Temperature- -40 C to 85 C (-40 F to 185 F)
  • Output Contacts- 10A @ 240VAC / 7A @ 28VDC SPNO, 1/4 HP @ 120VAC
  • Lifespan- Mechanical: 10,000,000 operations, Full Load: 100,000 operations
  • Termination- Pressure Clamp Screw Terminals, #12-22 AWG wire, solid, stranded wire; Recommended tightening torque 7 in-lbs. (12 in-lbs max)
  • Dimensions- 3.5" Height x 3.5" Width x 4.1" Length
  • Approvals- UL & CUL Listed, CE

Macromatic Percentage Timer Installation Manual

PTA1001MB 1 Minute 240V Percentage Timer without Memory

Additional Product Information

When the input voltage is introduced, the percentage timer relay energizes and the ON time delay (t1) starts. T1 is adjustable as a percentage of the total ON/OFF cycle time (t2), which is one minute. When t1 ends, the relay de-energizes for the rest of the timing cycle. The ON/OFF sequence will then repeat. This continues until the input voltage is removed. The sequence resets itself if the input voltage is taken out. 100% will keep the output constantly energized and 0% will keep it constantly de-energized. The LED on top is steady during the OFF sequence and blinks during the ON sequence.

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