Silent Knight SK-ISO

The Silent Knight SK-ISO is an intelligent addressable line isolator module that automatically protects Silent Knight fire alarm systems from single-point wiring faults. When a short circuit occurs on the signaling line circuit loop, the SK-ISO automatically isolates affected devices while allowing the rest of the system to continue normal operation.

Key Features

• Intelligent automatic fault isolator module
• Operates on signaling line circuit (SLC) loops
• Automatically isolates short circuits between devices
• Remaining devices continue to operate normally
• LED indicators for normal (green) and alarm (red) states
• 4-inch electrical box installation
• Standard addressable module interface

Technical Specifications

• Operating Voltage: 15 to 32 VDC
• Standby Current: 450 µA maximum (relay closed)
• Isolation Current: 17 mA maximum
• Temperature Range: 0°C to 49°C (32°F to 120.2°F)
• Dimensions: 4.5"H x 4"W x 0.3"D
• Maximum Devices per Group: 25
• LED Status: Green (normal), Red (alarm)

Certifications

• Compatible with Silent Knight IntelliKnight addressable panels
• UL listed line isolator module