BEST EM303 Electrified Mortise Lock with 03 Function Lock Body

BEST EM303 Electrified Mortise Lock with 03 Function Lock Body

Professional Electric Mortise Lock Solution

The BEST EM303 electrified mortise lock delivers reliable electric lock/unlock functionality with integrated switch monitoring for outside trim status. This handed mortise lock operates at 24VDC with field-reversible fail-secure/fail-safe configuration, providing flexible security control for commercial applications. The precision-engineered lock body features SPDT switch monitoring rated to 2 Amps at 24VDC for comprehensive access control integration.

Professional Features & Benefits

• Dual Operation Modes: Standard fail-secure operation (trim locked when power off) with field conversion capability to fail-safe mode for adaptable security requirements.
• Integrated Monitoring: Built-in switch monitors outside trim status (locked/unlocked) with SPDT configuration for real-time feedback to access control systems.
• 24VDC Operation: Standard 24VDC electrical rating provides reliable power compatibility with most commercial access control systems.
• Heavy-Duty Switch Rating: Switch rated to 2 Amps at 24VDC ensures dependable monitoring signal transmission under demanding commercial conditions.
• Handed Configuration: Precision mortise lock designed for handed installation to ensure proper operation and security in specific door configurations.
• Field-Reversible Security Mode: Fail-secure to fail-safe conversion capability allows on-site adaptation to changing security requirements without hardware replacement.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Fail-Safe/Fail-Secure: Yes
• Lock Type: Electric Mortise
• Product Category: Mechanical Locks
• Product Group: Mechanical Locks
• Product Subgroup: Mortise Locks and Trim
• Product Type: Mortise Locks
• Series: EM303
• Subcategory: Electric Mortise

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm 24VDC voltage and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including fail-secure/fail-safe mode per application requirements.
6. Restore power and test all functions including normal operation, trim monitoring, and integration with connected systems.
7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

• Commercial Building Security Systems
• Healthcare Facility Access Control
• Educational Institution Safety Systems
• Government and Municipal Buildings
• Industrial Facility Monitoring
• Multi-Tenant Residential Properties
• Emergency Exit Compliance

Why Choose BEST Quality?

BEST EM303 electrified mortise locks deliver professional-grade reliability with precision-engineered components rated for 2 Amps at 24VDC operation. The field-reversible fail-secure/fail-safe configuration and integrated trim monitoring provide comprehensive access control capabilities. Engineered for demanding commercial applications where dependable electronic security performance is essential.