Watlow Electric Power Supply SCR Power Controller User Manual

®
DIN-A-MITE D  
SCR Power Controller  
Delivers Up To 100 Amps  
in a Smart Package  
The Watlow® DIN-A-MITE® Style D Silicon Controlled  
Rectifier (SCR) power controller provides you with an  
inexpensive, versatile product for controlling heat in an  
efficient package. You also get all the quality you expect  
from a Watlow designed and manufactured product. The  
standard back panel mounting footprint is equal to that of  
an industry standard mercury displacement relay. There is  
no need to worry about mercury, the DIN-A-MITE controller  
is mercury free.  
Features and Benefits  
200KA Short Circuit Current Rating (SCCR)  
Prevents arc flash  
Standard panel mount  
Provides same mount as industry standard 100A MDR  
Compact size  
Reduces panel space; less cost  
Touch-safe terminals  
The DIN-A-MITE Style D is capable of zero cross switching  
up to 100 amps single-phase, at 600VÅ(ac) at 86°F (30°C),  
depending on the model selected. Combined with the input  
of two or three controllers and you can control three-phase.  
It is totally touch-safe and includes standard back panel  
mounting, on-board semiconductor fuses (accessible from  
the front) and a current transformer option for external load  
current monitoring. An optional “shorted SCR detector”  
feature is available on some models. This model is UL® 508  
and C-UL® and CE approved. These agency approvals are  
ideal for those panel builders that require agency approvals  
on their panels and cabinets.  
Increases safety for installer/user  
No mercury  
Environmentally safe product  
Faster switching with solid state  
Saves energy and extends heater life  
®
UL® 508 listed, C-UL and CE with filter  
Meets applications requiring agency approval  
Back-to-back SCR design  
Insures a rugged design  
On-board semiconductor fusing  
Provides quick access with no extra mounting necessary  
Variable time base, 4-20mA process control, or Vı(ac/dc)  
input contactor options are available. All configurations are  
model number dependent and factory selectable. This power  
controller also includes 200KA short circuit current rating  
(SCCR) tested up to 480VÅ(ac) to prevent arch flash with  
required fusing.  
Watlow® and DIN-A-MITE® are registered trademarks of Watlow Electric  
Manufacturing Company.  
UL® and C-UL® are registered trademarks of the Underwriter’s Laboratories, Inc.  
The DIN-A-MITE Style D power controller is made in the  
United States.  
Your Authorized Watlow Distributor Is:  
®
WIN-DMD-0908  
© 2005, 2008 Watlow Electric Manufacturing Company all rights reserved.  
 

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