All Categories > Controllers > Control Panels > Standard Control Panels 
    Download PDF Download PDF     Printable Page     Email Email This Page     Save To Favorites Save To Favorites

Standard Control Panels

Configure ProductRequest Information

Proper controller schematic and panel design goes a long way toward ensuring the trouble-free operation of a process system. Watlow® has supplied UL® 508 control panels for a variety of process control applications.

Watlow offers control panels that are shipped within ten working days of order placement. These panels can drive up to 480VAC, three-phase, 120kW heating systems and are Type 4 rated enclosures that carry the cULus® mark. Component installation and wiring conform to applicable NEC and/or CEC standards.

Standard Control Panels (PG 161)

larger image

Dimensional Drawing Standard Control Panels (PG 161)

larger image



Performance Capabilities · Features and Benefits · Supported Controllers and Devices · Specifications

Performance Capabilities

Amperage
  • Up to 144 amperes
Voltage
  • 120/240VAC single phase
  • 208/240/480VAC 3 phase
Operating Environment
  • 32 to 95ºF (0 to 35ºC)

Features and Benefits

  • Type 4 enclosure (carbon steel with gray paint)
  • Control transformer
  • Fused disconnect switch
  • Control and load fusing (feed and branch circuit)
  • Three position lighted selector switch (on, off, control power only)
  • Pilot light (EZPL models only)
  • High limit
  • Through-wall bus communications input (standard bus with 485)
  • Load power, remote interlock and sensor terminal blocks
Main Disconnect Switch
  • Utilizes a rotary handle with interlocking door
  • Helps assure maximum operator safety
Safety Contactor
  • Enables the definite purpose break of power
  • Prevents abnormal condition failure utilizing an over temperature shutdown
Enclosure
  • Built with Type 4 steel enclosures with gray paint
  • Designed with rugged construction suitable for industrial and commercial locations
  • Suitable for indoor or outdoor installation in non-hazardous locations
Branch Circuit Fusing
  • Assures compliance with NEC and CEC electrical codes
  • Increases SCCR rating
  • Reduces risk of over-current related failures and hazards
SCCR Rating
  • Assures compliance with Article 409 of the NEC and UL® 508A
UL® 508A Agency Certification
  • cULus® assures compliance with appropriate United States and Canadian codes
  • Assures prompt product acceptance
  • Reduces end product documentation costs
Customer Field Connections
  • Dedicated terminals for supply, load and control interlock for fast and easy customer connection
  • Dedicated terminals for sensor connection with matched alloys where applicable

Supported Controllers and Devices

Watlow EZ-ZONE® Integrated Controllers
  • Comes with three-year warranty assuring Control Confidence®
  • Allows integrated PID and limit control
  • Decreases required panel space
  • Enables use of laptop for programming setup
  • Increases user and equipment safety for over and under temperature conditions
  • Reduces the component count
  • Utilizes TRU-TUNE® adaptive control
Watlow DIN-A-MITE® Power Controllers
  • One and three phase power permits use in a variety of applications
  • Faster switching with solid state components. Better control saves energy and extends heater life.
  • Back to back SCR design for increased durability
  • 3 year warranty assures Control Confidence®
  • Accurate and tight set point control
Pilot Devices
  • High limit pilot light assures quick indication of limit condition
  • Three position illuminated ON-OFF-SETUP selector switch assures rapid and accurate operator interface
Documentation
  • Complete wiring schematic and outline drawing
  • Factory acceptance test
  • I O & M manual
Supports Communication through EZ-ZONE or SpecView Using USB Cable and USB to Serial Device
  • Standard external bus connection allows easy connection to laptop for programming
  • SpecView is a free downloadable programming software

Specifications

Voltage
  • 120/240 single phase
  • 208/240/480 three phase
  • 120 control circuit
Amperage
  • 144 amps max
  • 48 amps per branch circuit max.
  • 3 branch circuits max.
Interrupt Rating
  • 50,000 SCCR min.
Sensor Input
  • ANSI Type J or K
Environmental
  • Storage Temperature: 32º to 104ºF (0º to 40ºC)
  • Relative Humidity: 10% to 90% (non-condensing)
  • Ratings: Type 4
  • Agency: UL 508A
Mechanical
  • Conduit entry: designed for bottom entry of supply, load and control
  • Enclosure wall: blank for customer installations of conduit


 DOWNLOADS 

width= Example Schematic - Control Panels
(PDF, 182KB)