Bosch ISN-CSM35-WGW Wide Gap 1.75" Surface Mount Contact, White

Designed for reliable closed-loop security monitoring of heavy steel doors, the Bosch ISN-CSM35-WGW Wide Gap 1.75-inch Surface Mount Contact delivers a rugged, installation-friendly solution for commercial security and access control projects. The wide-gap design accommodates commercial gaps and heavy-duty door frames, eliminating the need for costly frame modifications while reducing nuisance alarms. Each packaged kit includes 10 complete assemblies—contacts, magnets, spacers, screws and covers—so integrators can stock and deploy devices across multiple openings quickly. The slim white housing (approx. 2.5" wide x 0.7" deep x 0.5" high) blends with typical door frames for a discreet appearance that supports surveillance and monitoring objectives. Built to meet the demands of commercial installations, this Bosch surface-mount contact integrates seamlessly with intrusion panels and access control systems to provide consistent, industry-grade security performance. Ideal for facilities managers, integrators and security professionals specifying components for heavy steel doors—order the ISN-CSM35-WGW for reliable, easy-to-install monitoring in your next project.

• Provides dependable closed-loop monitoring to reduce false alarms and maintain site security
• 1.75-inch wide-gap design fits heavy steel doors and commercial applications without modification
• Pack of 10 complete assemblies (contacts, magnets, spacers, screws, covers) for fast, cost-effective deployment
• Low-profile white surface-mount housing (2.5" x 0.7" x 0.5") for discreet installation on frames and doors
• Built for integration with access control, intrusion detection and surveillance systems in commercial environments