You won't find a higher performing, better built controller on the market. Zillas are found in more racing and high-performance applications than any other EV controller! Exceptionally high power density has been achieved by a novel design which pays careful attention to maximizing efficiency. Many years of development, extensive testing, and using only the best parts insures reliability.
The result is a race tested reliable package like no other.
While designing the Zilla series of controllers much attention was given to safety. From carefully monitoring that the controller comes up to voltage, communicates properly and checks the integrity of the output stage before engaging the main contactor, to the dual microprocessors that cross check and each have independent means of shutting the system off, there is no other DC EV controller that approaches this level of security.
The Zilla is the only controller that allows adjustment of multiple limits on battery voltage, battery current, motor current, motor voltage, RPM and more. These are not only important for going as fast as possible without blowing up motors and batteries, but also allow adjustment of the unit to prolong motor and battery life in street applications.
The Zilla works excellently with single motor systems, but realizing that many of the quickest EVs use dual motors, the Hairball interface also has a option for safe automatic Series/Parallel shifting of dual motors for even more power and efficiency.
It is no surprise that all of the worlds quickest Electric Vehicles use Zilla controllers, but the safety features allow them to also excel in street applications. The Z1K in particular has become very popular for street conversions due to its superior feature set and low price.
The Hairball has a few hardware options that can be configured at time of manufacture:
· -P: The Hall Effect Pedal input option. This option enables the Hairball to use the HEPA throttle pedal which is sold separately in the Accessories section. The Hairball with the -P option installed must use a HEPA pedal for input, it can no longer be used with a normal pot box. Please see the HEPA pedal listing for important fitting information. This option is available on the base Hairball or in combination with the -A or -S.
· -A: The -A option adds six contactor drivers for controlling motor contactors. This is normally used if you plan to use contactor sets (such as the SW202a which we sell in the Contactors section) to electrically reverse the motor(s). If you are planning on switching two motors in series parallel arrangement (this is used in dual motor race cars) then you also will want this option. The -A option adds functionality to the standard model and so enables for future expansion in case you are not sure of your final configuration. This can be combined with a -P option.
· -S: The Sparrow option was made for use in Sparrows but also has other applications. This option adds two contactor drivers to the standard model for forward/reverse switching of one motor. Unlike the -A option, the Sparrow option has been configured so that it can use reversing contactors that do not have built in microswitches for sensing contact position. This is good for vehicles like the Sparrow which are configured to use the Kilovac EV200 type contactors for reversing therefore it is better to use the -A option when possible. The -S option also has default settings that are reasonable for a Sparrow. Settings can be changed after setting the defaults. This can be combined with a -P option.
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