CSDECM-ADJ1 Johnson Controls Current Switch

Overview

The CSDECM-ADJ1 Johnson Controls Current Switch is an adjustable, split-core current operating switch designed for Go/No-Go run detection on Electronically Commutated Motors (ECMs) and other electrical loads in HVAC and building automation systems. It features a high-resolution adjustable turn-on setpoint that ignores the small standby current drawn by idle ECM inverters, preventing false ON status readings and ensuring accurate operational verification without the need for live calibration.

Features

• High-resolution adjustable turn-on setpoint dial to accurately ignore ECM standby idle current
• Split-core clamp design allows for quick installation on existing wiring without disconnecting cables
• Optional integrated N.O. command relay adds switching power without requiring separate power supplies
• Polarity-insensitive output provides simpler and safer wiring configurations
• Low turn-on current scale extends usage to sub-fractional horsepower motors

Specifications

• Trip Range: Adjustable from 0.25 to 3 A
• Maximum Monitored Current: 200 A
• Contact Form: Normally Open (N.O.)
• Relay Contact Rating: 10 A at 125 VAC
• Actuation Coil: 24 VAC/VDC, 15 mA nominal
• Status Output Capacity: 1.0 A at 30 VAC/VDC
• Wire Size Accommodation: 14 to 24 AWG
• Certifications: UL, cUL, CE approved

Applications

• Go/No-Go operational run detection for Electronically Commutated Motors (ECMs)
• Fan and pump performance monitoring in commercial building automation systems
• Air handler units (AHUs) and rooftop HVAC equipment control sequences
• General electrical load status sensing where a simple self-powered sensor is required