CSDSC-C50150L4 Johnson Controls Current Switch

Overview

The Johnson Controls CSDSC-C50150L4 is a self-calibrating, clamp-on current switch designed to provide reliable verification of electrical equipment operation. By using a single-turn dial to select motor full load amps, it eliminates the need for live calibration and significantly reduces installation time. This self-powered device induces operational power directly from the monitored line, eliminating the need for an external power supply. It features an integrated normally open relay with a 12 VDC coil, making it ideal for automation systems requiring direct status tracking and control.

Features

• Self-calibrating mechanism utilizing motor full load amps rather than horsepower, eliminating line-voltage adjustments.
• Single-turn dial selection allowing for safe, pre-set configurations while the panel is de-energized.
• Integrated normally open (N.O.) command relay offering 10 A at 125 VAC switching power with a 12 VDC coil.
• Split-core clamp design that simplifies installation into tight enclosures without disconnecting existing wires.
• LED status indication for convenient local monitoring of switch status.
• Polarity insensitive output that reduces wiring errors and shortens installation times.

Specifications

• Sensing Range: 0.50 A to 150 A
• Output Configuration: Clamp-On Current Switch with Relay, Normally Open (N.O.)
• Relay Contact Rating: 10 A at 125 VAC
• Actuation Coil: 12 VDC, 30 mA
• Switch Load Capacity: 1.0 A at 30 VAC/VDC max
• Isolation Voltage: 600 VAC rms (UL), 300 VAC rms (CE)
• Frequency Range: 50/60 Hz
• Operating Temperature: 5°F to 140°F (-15°C to 60°C)
• Operating Humidity: 0% to 95% non-condensing
• Certifications: UL Listed, CE

Applications

• Proof of flow and operational status monitoring for commercial fans and blowers.
• Load status verification for heating coils, lighting circuits, and fractional horsepower motors.
• Automated pump system status tracking within Building Automation Systems (BAS).
• Direct control loop feedback without requiring personal protective equipment (PPE) for live calibration.