CSDSC-S75050L Johnson Controls Current Switch

Overview

The Johnson Controls CSDSC-S75050L is a self-calibrating, solid-state current switch engineered for dependable proof-of-operation monitoring in commercial and industrial HVAC systems. Designed to detect the presence or absence of current flow, this unit automatically sets its trip threshold according to normal operating current, providing an accurate output signal to building automation systems without manual set-point adjustments.

Features

• Self-calibrating function automatically learns the normal operating current to minimize setup time
• Solid-state construction with no moving parts provides high reliability and resistance to vibration
• Integrated LED indicator provides local status visibility
• Self-powered design eliminates the need for an external power supply by inducing power from the monitored line

Specifications

• Trip Point Range: 0.75 to 50 A
• Output Rating: 1.0 A at 30 VAC/VDC
• Contact Form: SPST-NO (Normally Open)
• Core Type: Solid
• Sensing Hole Diameter: 0.51 inches
• Wire Size: 14 to 24 AWG

Applications

• Proof-of-operation monitoring for motors, fans, blowers, and pumps
• Status tracking for heating coils and lighting loads
• Integration into building automation systems and commercial HVAC control panels