Power Control Assemblies
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Power Control Assemblies
Chromalox models PCA (Power Control Assembly) & PCS (Power Control System) are specifically designed for Chromalox heating equipment to provide proper power and temperature control. Proportional power control is available for applications like gas or inline heating. Contactor power control is also available for more static applications like water freeze protection or tank heating. Units come completely assembled with the selected power control and a variety of options to choose from such as integrated temperature controllers, overtemperature controllers, disconnects, outdoor locations packages, and many others features.
If your application only requires up to 75A at 480V 3PH consider our Pick and Ship Offering!
Specifications
Agency approvals
• North America:-cULus® 508A Listed (non-hazardous area)
-NNNY Class I, Div 2, Groups A/B/C/D (hazardous areas)
• Europe: Self-declared CE to EN 61439 Standards
Ratings
• Up to 1200A• 110-600V (Single or Three Phase)
• 5kA to 100kA SCCR
Enclosures
• Powder Coated Steel (NEMA 4/12, IP66/52)• 304SS (NEMA4X, IP66)
Environment
• Ambient of 0°C / 32°F to 40°C / 104°F (without Outdoor Location Package)• Ambient of -18°C / 0°F to 40°C / 104°F (with Outdoor Location Package)
Power Controllers (Proportional Control Option)
• MaxPac/ACPC SCR 2 leg or 3 legProcess Controllers
• Door Mount DIN 4040/6040, DIN Rail 1020, or none (customer supplied 3-32VDC or 4-20mA)• Over temp Door Mount DIN 6050, DIN Rail 1030, or none
Safety Shutdowns
• Additional Shutdown Connections are provided jumpered, and can be reconfigured to accept a user relay signal for heater enable / disable operation• Integral Disconnect can be added for localized shutdown of incoming power
• External E-Stop Button to disengage the heater (Local Interface Package)
• Optional Ground Fault Trip Package
Optional Cooling
• Fan(s)• Air conditioner
Pilot Lights
• Over temp Alarm• Process Temp Alarm (Optional)
• Power On
• Common Trip (Optional)
• Common Alarm (Optional)
• Enclosure Temperature Alarm (Optional)
• Interlock Alarm (Optional)
Technical Resources
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From high temperature gas heating to superheated steam and super-critical water processing, Chromalox is the leading partner for all process heating solutions.
