From automatic on-off controls to daily defrost times, Robertshaw’s defrost and timer solutions combine convenience, dependability and advanced controls. They are the top choice for OEMs around the world for both residential and commercial applications.
9000 Series Universal Defrost Timers
Aplicación: Refrigeración comercial
The Paragon® 9000 Series Universal Defrost Timers (UDT) are the only multi-voltage defrost timers engineered to industry refrigeration standards. Designed to withstand the most rigorous refrigeration applications, this control offers a real-time clock and 100 hours of power loss protection for both time and defrost schedules. Mechanism-only models also are available to fit in standard defrost timer enclosures.
Características y ventajas:
- Certified to UL873 standard for temperature-indicating and regulating equipment
- Wires directly to 120V AC, 208V AC or 240V AC power sources without jumpers or switches
- Rated to 30,000 cycles for refrigeration controllers with switches
- Easy programming, easy set-up, set time, set defrost start and end time
- Initiate 15 minute manual defrost
- 100 hours of power loss protection for both time and defrost schedule
- Real-time clock
- Lighted display shows defrost start time and duration
- System status indicators
Especificaciones:
- Electrical Rating: 120/208/240V AC (+10, -15%) 50/60 Hz
- Temperature ranges from -40°F to 60°F (-40°C to 16°C)
- Defrost Cycles: 1 to 8 per day or 1 every 48 hours
- Ambient Humidity: 0% to 95% RH (non-condensing)
- Ambient Temperature ranges from -40°F to 122°F (-40°C to 50°C)
- Case Dimensions: 4.40″ W x 7.82″ H x 3.80″ D (11.2cm W x 19.9cm H x 9.7cm D)
- Case Type: NEMA 1
- Display Module Dimensions: 2.75″ W x 1.10″ H x 1.38″ D (7cm W x 2.8cm H x 3.5cm D)
- Temperature Sensor: NTC (Negative Temperature
- Coefficient) thermistor
Certificaciones de la Agencia:
- UL SA512
8000 Series Commercial Defrost Timers
Aplicación: Refrigeración comercial
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.
Características y ventajas:
- 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
Especificaciones:
- Electrical Rating: 120V AC Coil, 60 Hz
- Switch Rating: 40 Amps, 2HP, 690 VA, 120-240V AC
- Initiation/Termination Type: Time/Temperature or Pressure
- Enclosure Material: Heavy-duty Steel
Certificaciones de la Agencia:
- CSA 32079
- UL SA512
1401 Series Defrost Timers
Aplicación: Refrigeración comercial
The Paragon® 1401 Series Defrost Timers are a synchronous motor control that activates an internal SPDT switch to actuate a defrost heater in a refrigerator. These heavy-duty 15 Amp Paragon timers are used by OEM manufacturers to replace both the older classic design timers and the new OEM versions.
Características y ventajas:
- Quiet – synchronous design provides extremely quiet operation
- Position freedom – timer can be mounted in various locations
- Interchangeability – standard mounting allows use in all applications
- Double insulated – requires no earth grounding
- Brass contacts for better corrosion protection
- Approved for use in propane based systems
- Bulk quantities must be ordered in multiples of 12
Especificaciones:
- Cycle Time range: 1 to 24 hours
- Defrost Time range: 2 to 96 minutes
- Terminal Size: 0.25”
- Electrical Rating: 240V AC, 60 Hz, 15 Amps, 1/2 HP; 120V AC, 60 Hz, 15 Amps, 1/2 HP
Certificaciones de la Agencia:
- CSA 42474
- UL E30359
- Conforme a RoHS
LA DIFERENCIA DE ROBERTSHAW
Con una experiencia inigualable en control de flujos, capacidades de desarrollo rápido, fabricación estratégicamente ubicada y un equipo comprometido impulsado por la colaboración y la innovación, le ayudaremos a conseguir resultados extraordinarios.


