Edwards SIGA-SB4-RC

The Edwards SIGA-SB4 is a four-inch Signature Series detector mounting base designed to connect Edwards addressable smoke, heat, and multisensor detector heads to the Signaling Line Circuit (SLC) of EST fire alarm control panels. The base features integrated wiring terminals, compatibility with multiple detector types, inclusion of a trim skirt for finished architectural appearance, and electrical supervision for fault detection on SLC wiring networks.

Key Features

• Standard 4-inch mounting base for EST Signature Series addressable detectors
• Accepts photoelectric, heat, and multisensor detector heads including SIGA-PS, SIGA-PD, SIGA-IS, SIGA-HFS, and SIGA-HRS
• Integrated SLC IN/SLC OUT terminals for Signaling Line Circuit connection to panel
• Includes trim skirt for clean, finished architectural appearance
• Compatible with standard electrical outlet boxes: 1-gang, 3½" octagon, and 4" square boxes
• Supports SLC electrical supervision for wiring fault detection
• Optional SIGA-LED remote alarm indicator connection available

Technical Specifications

• Base Type: 4-inch Signature Series addressable detector mounting base
• Mounting: Direct installation to 1-gang, 3½" octagon, or 4" square electrical boxes
• Compatible Detector Heads: SIGA-PS, SIGA2-PS, SIGA-PD, SIGA-PHS, SIGA-IPHS, SIGA-IS, SIGA-HFS, SIGA-HRS
• Terminals: SLC IN, SLC OUT, and optional LED connection
• Wiring: 12–18 AWG conductors (16-18 AWG preferred)
• Supervision: Electrical supervision requires broken wiring at each terminal
• Physical Dimensions: 5 × 5 × 1 inches
• Weight: 0.25 lbs
• Compatible Control Panels: EST3, EST3X, iO64, iO500, QuickStart QS1
• Material: High-impact engineering polymer
• Operating Environment: Standard indoor temperature and humidity ranges

Certifications

• UL-listed for EST Signature Series addressable fire detection systems