The monitored input can be used for local power supply fault monitoring or as a general-purpose input. The unit utilises simple DIL switches for reliable addressing. A back box is also available (CHQ-BACKBOX) which, when used in conjunction with the CHQ-DSC2(SCI), increases the IP rating to IP65.

Features

• Single loop address
• Two independent sounder circuits
• Each circuit fully monitored for open and short circuit faults
• Each alarm circuit fused at 1 A
• Auxiliary monitored input
• Outputs are synchronised and can be driven continuously or intermittently
• 24 V dc auxiliary power required
• DIN rail version available
• Both models feature an integral short-circuit isolator
• Both models approved by LPCB and VdS

Downloads

• Product Specification (PDF)
• Installation Instructions (PDF)