SDC MSB550-2V42 MSB550 Series Mechanical Switch Bar

Ensure safe, code-compliant egress with the Security Door Controls MSB550-2V42 MSB550 Series mechanical switch bar. Designed as an economical alternative to sensor-activated bars, this exit door bar releases electromagnetic door locks with a slight, low-profile 0.12" bar movement, delivering immediate and reliable exit without confusing operational requirements. The heavy-duty aluminum extrusion and metal end caps provide long service life in high-traffic environments, while weather-resistant, water-sealed switches make the MSB550 suitable for exterior doors and adverse conditions. Included PT-2U power transfer loop simplifies wiring to your access control system and reduces installation time, helping facilities integrate the bar into existing security, surveillance, and monitoring setups. Quick, quiet operation preserves occupant comfort and reduces false alarms, making it ideal for schools, healthcare, retail, and industrial applications where dependable egress and compliance are critical. Specify the SDC MSB550-2V42 for a durable, easy-to-install exit solution — contact your security integrator or order today for fast deployment.

• Ensures code-compliant, immediate egress by mechanically releasing electromagnetic locks for safe, reliable exit
• Low-profile 0.12" total bar movement delivers quick, quiet actuation that reduces nuisance alarms and supports high-traffic use
• Rugged aluminum extrusion with metal end caps stands up to heavy daily use and outdoor conditions
• Weather-resistant, water-sealed switches and durable construction enable exterior installations and long-term reliability
• Simplified integration with access control via included PT-2U power transfer loop for easier installation and troubleshooting