Product Details
The dual-zone input module (Model ZU-35) from Siemens ─ Fire Safety is designed to provide two (2) independent initiating circuits. Up to 30 standard Siemens ─ Fire Safety photoelectric detectors or flame detectors (excluding Models DF-3, DF-3A and DF-30) are supported by Model ZU-35. Additionally, any quantity of shorting-type contact devices ─ such as manual stations and thermal detectors ─ can be accommodated and intermixed on each initiating circuit.