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UCS-221E



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UCS-221E

Sequencer Control Module - Two Stage UCS-221E

Sequencer Control Module - Two Stage

 

The UCS-221E sequencer control module - two stage from Kele is a solid-state device used for multistage control in HVAC systems, sequencing boilers or chillers. The module also sequences floating/tri-state control of VAV boxes from a single analog signal for building automation systems, BAS. The UCS-221E can be used to obtain a digital output from a voltage or current producing sensor. Units may be daisy chained to provide additional stages of control, and a mounting track is supplied for easy installation.


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QtyModelDescriptionIn StockList PriceInternet Price
UCS-221E 2-STAGE SEQUENCERIn Stock155.0486.82
UCS-221E-C 2-STAGE SEQUENCER CALIBRATEDIn Stock165.2492.53
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Accessories

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Features
  • Two stages of relay control
  • Voltage or current input
  • LED indication of relay status
  • Adjustable relay setpoints
  • Adjustable relay differentials
  • Snap-track mounted
Specifications

Supply Voltage:24 VAC ±10%, half-wave; or 24 VDC ±10%

Supply Current:100 mA @ 24 VAC; 50 mA @ 24 VDC maximum

Accuracy:±1%

Input:0-20 mA or 0-15 VDC, jumper selectable

Input Impedance:250Ω (mA input); 49.7 kΩ (VDC input)

Output:Two SPDT relays, adjustable via setpoint potentiometers

Relay Differential:Factory set at 0.5 mA or 0.375V, adjustable using plug-in resistors

Relay Output Rating:10A @ 120 VAC

Wiring Terminations:Screw terminals

Operating Temperature:32° to 158℉ (0° to 70℃)

Operating Humidity:5% to 95% RH (non-condensing)

Weight:0.4 lb (0.18 kg)

Approvals:RoHS

Warranty:1 year

Certifications


Download Additional Data

document   UCS-221E Catalog Page
 

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