Hochiki (CZM) Conventional zone input module for 4″ box, class “a” / class “b”

The Hochiki CZM Conventional Zone Input Module represents a critical component in comprehensive fire alarm and detection systems, designed specifically for professional installers and facilities managers requiring reliable zone monitoring capabilities. This robust module enables seamless integration of conventional detection devices into modern fire alarm networks, supporting both Class A and Class B wiring configurations for maximum installation flexibility.

Engineered for commercial and institutional environments, the CZM provides essential zone input functionality for 4-inch electrical boxes, enabling precise monitoring and signal transmission from multiple initiating devices. Its sophisticated design allows for straightforward compatibility with Hochiki conventional panels and other industry-standard fire alarm control systems, making it an ideal solution for retrofit and new construction projects across diverse facility types.

Key Features

• Supports both Class A and Class B wiring configurations for comprehensive zone monitoring
• Compatible with standard 4-inch electrical box installations
• Designed for seamless integration with Hochiki conventional fire alarm panels
• Robust circuit supervision with built-in short circuit isolation capabilities
• UL Listed for reliable performance in commercial fire detection systems
• Low-profile design minimizes visual impact in architectural spaces

Specifications

• Operating Voltage: 24VDC nominal
• Standby Current: Minimal microamp draw
• Alarm Current: Configurable per zone requirements
• Environmental Rating: Indoor use, suitable for commercial environments

Typical installation contexts include commercial office buildings, educational facilities, healthcare complexes, and institutional structures requiring comprehensive fire detection and monitoring. The CZM module interfaces effectively with addressable fire alarm control panels, providing critical zone-level information for rapid emergency response and system diagnostics.

Compliant with NFPA 72 National Fire Alarm and Signaling Code, the Hochiki CZM meets stringent performance standards for fire alarm system components. Its reliable design ensures consistent performance in demanding environments, supporting critical life safety infrastructure across diverse commercial applications.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com