SIMPLEX 556-681 FIRE ALARM TROUBLE NOTIFIER CARD SIMPLEX 2001 556-638

The Simplex 556-681 is a trouble notifier card designed for use with Simplex 2001 panels to indicate system faults or issues.

Key Specifications

• Compatibility: Simplex 2001 panels
• Voltage: 24 VDC
• Type: Trouble Notifier Card
• Mounting: Compatible with Simplex 2001 panel enclosure
• Dimensions: Standard card size
• Indicators: LED indicators for different types of troubles