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Under $20 Normally open

Shop the best prices on 31 great value under $20 normally open products. Shopping for under $20 normally open is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy security system sensors and specialty electrical switches & relays online safely with Fruugo, with secure payment and fast shipping to New Zealand.

Security System SensorsSpecialty Electrical Switches & Relays
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1 - 31 of 31
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$18.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$18.95 Save $45.05 RRP: $64.00
Magnetic Door Window Contact Sensor Easy to Install
$16.95 Save $47.05 RRP: $64.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$20.95 Save $68.05 RRP: $89.00
Magnetic Door Window Contact Sensor, NC/NO Switch
$19.95 Save $49.05 RRP: $69.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$15.95 Save $58.05 RRP: $74.00
Magnetic Door Window Contact Sensor Switch, Easy Install NC/NO
$19.95 Save $54.05 RRP: $74.00
2PCS KSD9700 5A250V 40-140 Degree Celsius Normally Closed Open Bimetal Disc Temperature Switch Thermostat Thermal Protector
$5.95 Save $1.00 RRP: $6.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$17.95 Save $66.05 RRP: $84.00
Magnetic Door Window Contact Sensor, Easy Installation, NO/NC Magnetic Switch
$17.95 Save $86.05 RRP: $104.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$20.95 Save $48.05 RRP: $69.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$19.95 Save $54.05 RRP: $74.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm s202412245722
$14.95 Save $59.05 RRP: $74.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm f54
$19.95 Save $99.05 RRP: $119.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$20.95 Save $48.05 RRP: $69.00
Security Burglar Alarm - Magnetic Door Window Contact Sensor Reed Switch
$22.95 Save $51.05 RRP: $74.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$19.95 Save $64.05 RRP: $84.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$15.95 Save $53.05 RRP: $69.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$18.95 Save $50.05 RRP: $69.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$19.95 Save $54.05 RRP: $74.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$16.95 Save $47.05 RRP: $64.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$19.95 Save $49.05 RRP: $69.00
Magnetic Door Window Contact Sensor Switch, Easy Installation NO/NC
$17.95 Save $41.05 RRP: $59.00
Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount
$8.95 Save $33.00 RRP: $41.95
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$16.95 Save $47.05 RRP: $64.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$18.95 Save $70.05 RRP: $89.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$19.95 Save $69.05 RRP: $89.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$21.95 Save $97.05 RRP: $119.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm S202412304840
$20.95 Save $53.05 RRP: $74.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$20.95 Save $48.05 RRP: $69.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$18.95 Save $65.05 RRP: $84.00