Audio Polarity Checker Phase Detector Self-Test Auto-Off PD-9A Speaker Tester $43.00
IndusTec DC 20A Motor Polarity Reversing - Toggle Switch Maintained DPDT 3 Pos $14.99
LETOURNEAU 409-2648 POLARITY SENSITIVE SWITCH LETOURNEAU $749.99
ADVANTEST Q8163 Optical Polarization Scrambler - Works - See Description - AS IS $270.00
IndusTec Motor polarity reversing - Toggle Switch 3 Pos DPDT Momentary 12V 24V $14.99
Cameron 409-2648 Polarity Sensitive Switch 4092648 (407459901) 409-2646-08 $1349.00
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