福州天行健节能科技有限公司专业提供进口舰船用零部件

8145-21
8000 Series Defrost Timers
The Paragon® 8000 Series Commercial Defrost Controls are designed for commercial freezers and refrigerators to provide automatic defrost capability. They accommodate various types of defrost systems including electric defrost heaters, hot gas, and compressor off cycle.
Features and Benefits
Time initiated; temperature, pressure or time terminated models available
High-amp switch contacts: 40 Amps, 2 HP
Positive slider bar switch design assures positive electrical contact and wipes the contact surface of contaminates
Temperature or pressure terminated models are designed for defrost termination using an external temperature or pressure device
Safety back-up - mechanical time-driven defrost termination
Heavy-duty synchronous design drive motor
Choice of three contact arrangements
Adjustable frequency of defrost initiation from 1 to 6 cycles per day with a minimum of 4 hours between successive operations
Adjustable back-up defrost termination from 4 to 110 minutes in 2 minute increments
Heavy-duty steel enclosure with knockouts (on the bottom, back and sides) and hasp and staple padlock
All 8240 models have an adjustable cut-in pressure dial calibrated from 36-110 pounds for R12, R22, R502

ATTRIBUTES
Series Application Electric Heat, Hot Gas or Compressor Shutdown
Electrical Rating 208-240V AC, 50 Hz
Switch Rating 40 Amps, 2 HP, 690 VA, 120-240V AC
Initiation/Termination Type Time / Temperature or Pressure
Enclosure Heavy Duty Steel
Switch Arrangement for Contacts 1-3 Open
Switch Arrangement for Contacts 2-4 Closed
Switch Arrangements for Contacts 3-N None
Agency Approvals UL Listed|UL Recognized

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