CSD-SA1E2-1 Johnson Controls Current Switch

Overview

The Johnson Controls CSD-SA1E2-1 is a non-intrusive, solid-core digital output current switch designed to detect current flowing through a cable or wire. It features an adjustable setpoint threshold from 1.00 to 135 A and includes an integrated 12 VAC/VDC SPST normally open command relay, enabling the device to facilitate both the monitoring of current loads and the starting and stopping of motors. The current sensing circuit is completely self-powered, drawing its power via induction from the monitored line, and includes two status LEDs for clear visual indication of off and on status.

Features

• Dual function monitors current loads while the integrated relay facilitates motor start and stop controls
• Solid-core design provides a non-intrusive monitoring solution
• Fully self-powered operation induces power directly from the conductor line for current sensing
• Multi-turn potentiometer allows easy adjustment of the setpoint threshold
• Dual status LEDs provide local visual verification of switch and relay operation
• Polarity insensitive solid-state output simplifies system wiring

Specifications

• Amperage Range: 1.00 to 135 A
• Switch Setpoint: Adjustable (1.00–135 A)
• Output Relay: SPST, Normally Open (N.O.), 10 A at 260 VAC, 5 A at 30 VDC
• Actuation Coil: 10–14 VAC/VDC, 25–45 mA maximum
• Status Output: Switch Normally Open
• Switch Load Capacity: 1 A at 30 VAC/42 VDC maximum
• Isolation Voltage: 600 VAC rms
• Sensing Aperture: 18 mm (0.71 in.) diameter
• Operating Temperature Range: 5 to 140°F (-15 to 60°C)
• Operating Humidity Range: 0 to 95% non-condensing
• Dimensions: 65 x 65 x 40 mm (2-9/16 x 2-9/16 x 1-19/32 in.)
• Compliance: UL Listed (US and Canada), CE Mark

Applications

• On/off status monitoring and proof of operation for fractional HVAC motors
• Automated start and stop controls for pump motors, circulator pumps, and condenser fans
• Monitoring small current loads on commercial heating coils and blowers
• Integrating localized current sensing with Building Automation Systems (BAS) digital inputs
• Controlling and verifying status of commercial lighting circuits