Ademco/Honeywell Security 4193SN

The Honeywell 4193SN is a serialized two-zone V-Plex micro-miniature expander that converts hardwired fire alarm sensing devices to addressable format compatible with Honeywell VISTA-series control panels supporting V-Plex polling loops. The compact interface provides one supervised zone with end-of-line resistor supervision and one unsupervised zone, accommodating four-wire smoke/heat detectors and manual pull stations.

Key Features

• Two-zone V-Plex expander with built-in serial number for addressing
• Loop 1: Supervised zone with 10K ohm end-of-line resistor (Class B)
• Loop 2: Unsupervised zone for normally closed devices only
• Compatible with four-wire smoke detectors, heat detectors, and pull stations
• Compact micro-miniature housing for space-constrained installations
• Supports VISTA-50P, VISTA-128BP, VISTA-250FBP control panels

Technical Specifications

• Dimensions: 2.5"W x 0.5"H x 0.5"D
• Weight: 0.8 ounces (22.7 grams)
• Voltage: 8–12 VDC (from control panel V-Plex polling loop)
• Input Current: 1.5 mA
• Zone Line Impedance: Maximum 300 ohms
• Operating Temperature: 32°F to 120°F (0°C to 49°C)
• Maximum Relative Humidity: 93%
• Installation: Requires mounting inside control panel or UL-listed junction box

Certifications

• UL Listed for fire and burglary applications
• Compatible with NFPA 72 supervised systems