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latest 5 stars 
reviews from 
Alvin Gee
5 Stars
Thank you so much for have stock available for the general public.
Yesterday on Google Customer Reviews
G A reviewer
5 Stars
Perfect, the part was cheaper here than some competitors but the fast shipping clinched it for me! Would buy again!!!
2 days ago on Google Customer Reviews
G A reviewer
5 Stars
Excellent phone customer service. Good prices. Prompt shipment. Very pleased.
1 week ago on Google Customer Reviews
G A reviewer
5 Stars
Found what I needed, quick check out. Order shipped same day with place order at just before 3pm CDT
1 week ago on Google Customer Reviews
Brian Halter
5 Stars
Called and they personally checked that an item I needed was in inventory. Excellent service and quick turnaround. Will use for all my opener needs.
1 week ago on Google Customer Reviews
Seco-Larm SM-4303-TQ/W NO Rollerball Recessed Magnetic Contact
$2.97
Circuit Type N.O. Circuit is made when plunger is pushed in.
Switch Travel 1/4" (6mm)
Switch Type Plunger
Color White
Material High-impact ABS plastic
Contacts Ruthenium on gold underplating
Contact Rating 0.1A@100VDC (max), 1.0A@10VDC (max), 10W (max)
Operating Temperature -68º~158º F (-20º~70º C)
Switch Cycles 50 Million (0.1mA@5VDC)
Switch Dimensions 25/32" x 3/4" x 1/4" (19.8 x 19 x 6.3 5 mm)
Magnet Type Rubber
Availability: In stock
- Buy 10 for $2.40 each and save 19%
Seco-Larm SM-4303-TQ/W NO Rollerball Recessed Magnetic Contact is available to buy in increments of 10
Rollerball, N.O. Circuit is made when plunger is pushed in.., with Screw Connectors, White
Used for protecting sliding doors and windows where space is limited.
Magnet and reed switch contained in housing.
Spacer and screws included.
Rollerball plunger travel is 1/4" (6mm).
360º Roller-ball.
Screw terminals.
Contact reed switch is SPST, ruthenium on gold under plating, which results in a long life.
For N.C. circuits.
Lifetime limited warranty.
