CSDECMM-S25050L Johnson Controls Current Switch

Overview

The Johnson Controls CSDECMM-S25050L is a mini solid-core current switch with a fixed setpoint designed for Electronically Commutated Motors (ECMs) and general electrical loads. It features a precise minimum turn-on threshold to prevent false readings caused by an ECM’s idle current, ensuring reliable status detection.

Features

• Compact mini-sized solid-core design ideal for space-constrained electrical enclosures.
• Fixed setpoint threshold simplifies installation by eliminating the need for field calibration.
• Self-powered operation induces power directly from the monitored conductor cable.
• Distinguishes effectively between true motor operation and standby/idle current states.

Specifications

• Monitored Current Range: Up to 50 A maximum
• Minimum Trip Setpoint: 0.75 A
• Output Rating: Normally Open (N.O.), 1.0 A at 30 VAC/VDC
• Aperture Size: 0.30 inches (7.6 mm)
• Frequency Range: 50/60 Hz
• Operating Temperature: 5 to 140°F (-15 to 60°C)
• Isolation Voltage: 600 VAC rms (UL) / 300 VAC rms (CE)

Applications

• Status monitoring and proof-of-operation for Electronically Commutated Motors (ECMs).
• Verification of operational status for commercial HVAC fans, blowers, and pumps.
• Integration of equipment load tracking into building automation systems.