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    Puts operator in total control of equipment from plant floor
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    Long range operation of up to 1000 ft. (8 power settings available)
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    Prewired receiver for quick installation
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    Two (2) speed (SK2500) 5-motion models
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    Red Mushroom pushbutton (mainline contactor control)
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    IP65 rated glass reinforced nylon enclosures
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    TX power consumption = 28mA
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    Power Indicator on RX for troubleshooting ease
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    Start up/Shut down (No external alarm needed)
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    25KHz channel spacing
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    Operation frequency: 430 ~ 435 MHz fully compliant with FCC Part 15 un-licensed and CE European directive (non-licensed system)


Overall Specifications 
Operating Channels70
ID CodesOver one million sets
Channel Space25 KHz
Hamming Distance≥4
StructureEnhanced Glass-Fiber
Operating Environment-40°C ~ +85°C
Operating DistanceUp To 300 M
Receiver Specifications 
Multiple Supply VoltagesAvailable in AC or DC power
Weight2900 g(K3/K4) w/ cable
Dimensions6.67" x 4.4" x 10.8" (L x W x H)
Transmitter Specifications 
Emission Power< 10mW
Dimensions3.17" x 2.37" x 10.91" (L x W x H)
Weight385 g (K3/K4)
BatteryFour (4) Standard AA Alkaline

*Dimension drawing available upon request

Product specifications are for reference only. Subject to change without notice. Contact Control Chief for verification.


Enables the user to transfer serial number and
programming data from one unit to another. Ideal
or matching spare universal transmitter(s) in the field.

Part Number: 701K-52763

Two-pole radio on/off pendant transfer switch

Part Number: 0067-0020

Allows the system receiver to be mounted in an
encloser or behind an obstruction

Part Number: 700DIROP9

Part Number: 701K-52746