The MaxPac Series is specifically designed
for the OEM market. The plug-in options, flexible
I/O power wiring, space saving footprint,
optional lug kits, I2t fusing and universal
approvals make it an excellent candidate for
your product.
The Chromalox Model MaxPac III is a Solid
State, highly versatile power pak with optional
plug-in proportional Firing and Shorted SCR
Detection Boards. Firing techniques include:
“ON/OFF Power Control” (Contactor) and
“Proportional Power Control” (Zero Voltage
Switching, DOT fire).
Chromalox’s exclusive DOT (Demand Oriented
Transfer) firing switches the fewest number of
cycles to provide the most precise zero crossover
control. At 50% output the unit’s output
alternates between three electrical cycles on
and three cycles off. At 51% the output continues
with three cycles on / three cycles off
and gradually integrates three extra “on” cycle
for the additional one percent. With the exception
of phase angle firing, DOT firing is the
most precise method of SCR control. DOT firing
is preferred in many applications because
phase angle firing creates unwanted RFI. DOT
is excellent for applications where consistent
heater/process temperature control is critical.
- Resistive Heaters
- Electric Ovens
- Furnaces
- Kilns
- Environmental Chambers
Mechanical Features:
- LED Indication of Firing
- Customer Control Connections are made on a Plug-In Screw Type Terminal Block
- Optional Remote Manual Adjust and Auto/Manual Switch
- Heatsink Mounted Temperature Sensor
- Built-In Power Distribution
Electrical Features:
- PIV 1200V Min at 480 VAC
PIV 1500V Min at 600 VAC
- Isolated Semiconductor Power Blocks are used on all Current Ratings up to 650 Amps
Safety Features
Personnel Safety:
- Ground Potential Heat Sink up to 650 Amps
- SCR to Heat Sink Isolation up to 650 Amps
- UL 508 Listed for units 650 Amps and under
- CE Approval for all units with line filters required.
Equipment/Process Safety:
- Input to Output Isolation
- dv/dt Transient Voltage Protection
- Optional I2t Fusing
- Remote Shutdown
- Optional Shorted SCR Detection
For more features refer to catalog page PDF under the Technical Resources tab.
The MaxPac Viewer Configuration Software allows users to program a variety of parameters and settings into their MaxPac I, II, III and MiniMax I, II, and III power controllers. Power management, alarm monitoring, firing mode, and cycle time adjustment are just a few of the settings available. The software also has a service platform for troubleshooting and maintenance on the spot.
MaxPac Viewer: Configuration Software Download
(Note: New configuration software releases occur without notice. If you need to update your release, you must first uninstall your current version prior to installing the latest release. This may be done in Programs and Features located in the Windows Control Panel.)
|

|