Nascom N1178CT/SWDD 3/4" Stub PTF DPDT Relay

Designed for reliable door security in commercial and residential installations, the Nascom N1178CT/SWDD 3/4" Stub PTF DPDT Relay is a recessed magnetic contact engineered to simplify installs and strengthen monitoring. This Nascom magnetic contact uses a double-pole double-throw (DPDT) contact set with hermetically sealed switches to reduce corrosion and false alarms — delivering long-term dependability for intrusion alarms, access control and surveillance integrations. The 3/4" stub profile installs discreetly in tight jambs while the snap-fit feature on steel doors eliminates the need for adhesive, cutting labor time. With 12" 22 AWG pre-wired leads and a wide-gap N35 NdFeB rare-earth magnet, the N1178CT/SWDD maintains consistent operation even when doors shift or warp. UL 634 listing ensures this door contact meets industry safety and performance expectations. Ideal for alarm panels, CCTV trigger systems, and access control monitoring, this Nascom recessed contact gives installers a fast, reliable solution for door security. Add it to your next security or surveillance project for proven, low-profile protection.

• Reduces installation time with a snap-fit design for steel doors — no glue required
• Boosts alarm reliability with hermetically sealed DPDT contacts to resist false alarms
• Compact 3/4" recessed stub profile fits tight door frames and preserves aesthetics
• Wide-gap N35 NdFeB magnet provides dependable sensing for warped or shifting doors
• Pre-wired 12" 22 AWG leads for quick connections to alarm panels and access control systems