Description
High security ''Triple-biased'' overhead gate contact with anodized housing and 90 cm supervised stainless steel armored cable, SPDT contact, biased gap (between 1.7 cm and 5.1 cm)
2747A-L - Triple-biased high security surface mount anodized alloy housing
- Triple-biased reeds make defeat of the switch with an external magnet virtually impossible
- Magnetic field tamper for added security
- Factory compensated for effects of steel
