Panel Mount Timer

Type – 840 Series
Input – Screw Terminal
Output – Screw Terminal
Order Ref. – 840-01-004

Upon application of power the timer resets, enters the ON state for a period T1, then switches OFF for a period T2. This cycle repeats until power is removed.



  • 100% Continuous duty
  • LED lights to indicate power is ON and to indicate valve is OPEN
  • Manual override switches
  • Selectable Timing Ranges
  • Wide Voltage Range Available
  • Test Facility
  • CE, UL, CSA and ISO Certified
  • Custom labeling & other colours available


Timing Scale

T1 Time – Model Specific
T2 Time – Model Specific

Supply Voltage

24 – 240 AC/DC (Standard)
Other voltages available on request.

Current Consumption

4mA Max.

Operating Temp.

-10 to +60°C

Switch Capacity

1 Amp.

Inrush Current

10 Amps for 10mSec

Switching Holding Voltage


Duty Cycles



Screw Terminals

Timing Temp. Coefficient

+ or – 0.005% °C

Scale Accuracy

+ or -10%

Reset/ Test

Manual Touch Switch

Printed Circuit Board

UL 94 V0

Repeat Accuracy

+ or – 1%


LED’s to indicate phases

Design Standard

VDE 0110C


Screw Terminals

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