Siemens (Pyro) ZH-MC-CW

The Siemens ZH-MC-CW is a multi-candela horn/strobe notification appliance featuring field-selectable candela ratings and a snap-on base design. It combines high-performance strobe optics with dependent horn circuitry for reliable visual and audible alarm signaling in commercial fire alarm systems with simplified installation and field testing capability.

Key Features

• Multi-candela field-selectable candela settings (15, 30, 75, 110+ cd options)
• Snap-on base allows pre-installation circuit testing before walls are closed
• High-efficiency optics matching performance of Siemens ST strobes
• Strobe flash rate: 1 flash per second minimum within regulated voltage range
• Dependable circuitry with high performance ratings per UL 1971 standard
• Universal mounting capability with separate series Z snap-on base

Technical Specifications

• Device Type: Multi-candela horn/strobe combination
• Candela Selection: Field-selectable (wall-mount and ceiling-mount options)
• Strobe Flash Rate: 1 flash per second minimum over regulated range
• Base Type: Snap-on series Z base (pre-wired)
• Standards Compliance: UL 1971 strobe intensity ratings
• Installation: Pre-wiring allows circuit testing before appliance installation

Certifications

• UL 1971 Listed for fire alarm notification
• Siemens Pyrotronics certified notification appliance