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Series 1 

Electromechanical Controls, General Purpose 

Series 1 

Quick Specs... 

  • 2 or 3 Pole Output Contact 
  • U.L. "Limit Control" 
  • Up to 20K Ohms/cm Sensitivity 
  • U.L. "Motor Control" 


  Overview    Specifications    Dimensions    Related Info   
               

Overview / Design Principle: 

Series 1 electromechanical controls offer 2 or 3 pole output contacts with a 16 amp rating. These versatile controls can be configured for single level service, differential control, low water cutoff control (with manual reset or lock out capability) and many other functions. 

Applications: 

  • General Purpose 
  • On/Off Control 
  • Pump Control 
  • Boiler Level Control 
  • Boiler LLCO 

Specifications 

Contact Design 

2 or 3 pole, single throw, electromechanical relay 

Contact Rating (110 VAC) 

16 A Resistive 1 hp 

Mode of Operation 

Direct Only 

Sensitivity 

0 - 20K Ohm maximum, factory set 

Primary Voltage 

24 VAC, 115 VAC, 230 VAC, 460 VAC, 575 VAC (+10%/-15%) 

Power Consumption 

4 watts (15 VA) 

Secondary Voltage 

25 VAC, 75 VAC, 150 VAC, 300 VAC, 500 VAC* 

Temperature 

-30°F to 130°F (-34°C to 54°C)

Approvals 

U.L. Rec., FM, CSA, U.L. Listed Limit Control, U.L. 353 

Connections 

All screw type connections 

* Due to high secondary voltage, if personnel can come in contact with electrodes, we suggest using Series 16, 26, or 19 controls. 

 Dimensions:
 DimSeries1.gif 
A  2-5/8" (6.67 cm) 
B  2-1/2" (6.35 cm) 
C  4-1/4" (10.8 cm) 
D  5/16" (.79 cm) 
E  1-19/32" (4.05 cm) 
F  3-3/16" (8.10 cm) 
Additional Product Information: 
Typical Single Level and Differential Wiring 
Overview: Conductivity-Based Liquid Level Control 
Standard & Custom Panels Overview 
Sensitivity & Material Selection Guide 
Controls Overview 
Grounding Methods for Electrode Fittings 
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